Uponor PEX piping systems - EN Technical information

Uponor PEX piping systems

Technical information

Table of contents

1 Material, conduits and pipe marking................................... 3

1.1 Uponor PEX, cross-linked polyethylene.................................. 3

1.2 Pipe marking........................................................................... 3

1.3 Coated pipes........................................................................... 4

1.4 Conduits.................................................................................. 4

1.5 Insulation................................................................................. 4

1.6 Approved pipes and conduits.................................................. 4

1.7 Packaging............................................................................... 4

2 Material and pipe properties................................................ 5

2.1 Hygienic and non-toxicological............................................... 5

2.2 Long-term stability................................................................... 5

2.3 Thermal memory..................................................................... 5

2.4 Temperature resistance.......................................................... 5

2.5 Low friction.............................................................................. 5

2.6 Resistance of abrasion........................................................... 5

2.7 Chemical resistance................................................................ 5

2.8 Scratch resistant..................................................................... 5

2.9 Sound absorbing..................................................................... 5

2.10 Vibration absorbing................................................................. 5

2.11 Electrical insulation................................................................. 5

2.12 Low environmental impact...................................................... 5

2.13 UV light................................................................................... 5

3 Pipe descriptions.................................................................. 6

3.1 Uponor Aqua Pipe................................................................... 6

3.2 Uponor Combi Pipe................................................................. 7

3.3 Uponor Radi Pipe.................................................................... 8

3.4 Uponor Teck conduits............................................................. 9

3.5 Uponor Comfort Pipe PLUS.................................................... 9

3.6 Uponor Klett Comfort Pipe PLUS.......................................... 10

3.7 Uponor Minitec Comfort Pipe................................................ 10

3.8 Uponor Meltaway PEX Pipe.................................................. 11

3.9 Uponor Meltaway PLUS PE-Xa orange................................ 12

4 Component descriptions.................................................... 13

4.1 Uponor Q&E fittings.............................................................. 13

4.2 Uponor Wipex fittings............................................................ 14

4.3 Compression fittings............................................................. 14

4.4 Manifolds............................................................................... 14

4.5 Cabinets................................................................................ 16

4.6 Pre-fabricated units............................................................... 17

5 Application descriptions.................................................... 18

5.1 Tap water.............................................................................. 18

5.2 Radiator heating.................................................................... 19

5.3 Underfloor heating................................................................ 20

5.4 Surface heating..................................................................... 21

5.5 Industrial applications........................................................... 22

6 Installation and operation.................................................. 23

6.1 Installation process............................................................... 23

6.2 Pressure and tightness testing.............................................. 23

6.3 Forces of expansion and contraction.................................... 23

6.4 Shrinking............................................................................... 23

6.5 Bending radius...................................................................... 23

6.6 Kinked pipes......................................................................... 24

7 Technical data..................................................................... 25

7.1 Technical specifications........................................................ 25

7.2 Service conditions and design pressure............................... 25

7.3 Linear expansion diagram..................................................... 26

7.4 Heat emission loss diagrams................................................ 27

7.5 Pressure drop nomogram .................................................... 28

Uponor PEX piping systems

echnical information

1 Material, conduits and pipe marking

1.1 Uponor PEX, cross-linked

polyethylene

The basic Uponor PEX pipe is made from a high-density polyethylene

(HDPE) with an extremely high molecular weight. At high pressure

and temperature, chemical bonds – a network of cross-links – are

formed between the polyethylene’

s long molecular chains (the Engel

process). The three-dimensional network that this creates, improves

the properties of the raw material to such an extent that it is

transformed into a completely new material with superior

characteristics.

The difference between normal polyethylene and cross-linked

polyethylene (or PE-X) is analogous to that between over cooked

spaghetti and fishing net. In the first case, the molecular chains are

loosely arranged while, in the second, the chains are joined or cross-

linked.

The Uponor PEX pipe and its further developed pipes are suitable for

cold and hot water installations and heating applications. Uponor

PEX pipes without a diffusion barrier must, however, not be installed

for distribution of water in heating systems.

1.2 Pipe marking

Note

Always check that the correct type of pipe is used for the

installation.

Uponor PEX pipes can always be identified, thanks to marking along

the entire pipe length. The pipes are always marked with product

name, outer diameter

, material thickness, production date,

consecutive metre-marking, as well as pressure and temperature

classes. Depending on pipe type, the current standard or norm, as

well as a type approval mark, may also be shown.

Uponor PEX piping systems

echnical information

1.3 Coated pipes

PEX material, like many plastics, allows oxygen molecules to pass

through it. No oxygen dif

fusion takes place in tap water system,

because the tap water is already oxygenated to saturation point.

Heating systems, on the other hand, have requirements for

resistance to diffusion. The pipes we use for radiator connections and

heating systems are therefore equipped with an oxygen diffusion

barrier of Ethyl Vinyl Alcohol (EVOH). This layer is extruded seamless

on the outside of the Uponor PEX pipe.

Our coated pipes fulfil the requirement for oxygen diffusion resistance

as per DIN 4726 and ISO 17455.

1.4 Conduits

The conduit is manufactured from HD polyethylene in different

colours. All conduits can be used in an ambient temperature range of

–20 °C to +120 °C. The pipes are corrugated, which provides great

flexibility and great load-bearing capacity

Uponor conduits fulfil the Norwegian requirements, Nordtest method,

NT VVS 129 including test method no. 02-2014 also KIWA BRL K536

part D.

The conduit insulates the inner pipe and prevents water damage to

the body of the building in the event of any pipe leakage, as well as

facilitating pipe replacement.

1.5 Insulation

The insulation consists of grey cross-linked polyolefin foam with or

without an outer layer of polyethylene (PE).

Insulation, physical and chemical properties

Value Unit Test norm

Insulation thickness 20 mm

Thermal conductivity (at

23 °C)

0.037-0.042 W/mK DIN 52612

Density 0.025-0.3 g/cm³ DIN 53420

Fire rate B2 DIN 4102

Weight 31.2 g/m

Volume 1039.1 cm³/m

Melting point 105-110 °C

Flash point 420-440 °C ASTM 1929

Combustion temperature 430-450 °C DIN 54836

Solubility in water Insoluble

1.6 Approved pipes and conduits

The Uponor PEX pipe undergoes works testing and inspection before

the product is delivered. These highly comprehensive procedures

cover all aspects, from the raw material to the appearance of the

packaging. Dimensions, physical and chemical properties,

appearance, markings and so on are all checked.

In addition, inspectors from various national testing bodies visit the

works at certain intervals (usually 2-3 times per year) to check our

internal testing and control procedures, records, test methods, etc.

The inspectors also take random product samples for testing in their

own laboratories in accordance with specified test programmes. The

results of these quality supervision measures are reported directly to

the type approval authorities.

In most countries, components used in tap water and heating

systems must be type approved. Uponor PEX received its first type

approval from the Swedish Board of Physical Planning and Building

in 1973. In 1977 the pipe was type approved by DVGW, based on

testing by international testing institutes.

Since then the Uponor PEX pipes have been approved for

distribution of cold and hot domestic water and heating installations in

more than 30 countries. In countries where the pipes are type

approved, there are also type approved fittings available.

1.7 Packaging

Pipes in dimensions up to 32 mm are supplied in coils packed in

cardboard boxes on pallets.

From dimensions 32 mm onwards, the coils are supplied wrapped in

black plastic.

Most dimensions are also available as straight lengths packed in

plastic sleeves in cardboard box, or in plastic pipe.

Installation instructions come with each pack.

Uponor PEX piping systems

echnical information

2 Material and pipe properties

Note

Technical specifications for mechanical, thermal and

electrical pipe properties are available in the chapter

"Technical data".

2.1 Hygienic and non-toxicological

Uponor Aqua pipes have been tested at a number of laboratories

throughout the world and are approved for tap water distribution, i.e.

the pipes release neither taste, odour nor unhealthy substances

regardless of water quality

Tests in laboratories have shown that Uponor Aqua pipes do not

provide any growth environment for bacteria. The pipes comply to the

requirements for microbiological growth according to the DVGW

standard W270.

2.2 Long-term stability

Few materials have undergone such extensive endurance testing as

Uponor PEX. T

en years of continuous pressure testing at 95 °C and

an uninterrupted endurance test since 1972 are just a couple of

examples. Stress tests show that at a temperature of 70 °C and a

pressure level of 1 MPa in continuous operation, the pipe has an

estimated service life of more than 50 years.

2.3 Thermal memory

When a Uponor PEX pipe is heated to its softening temperature

(129-131 °C), the material returns to its original shape. This

characteristic is used to give a very reliable method for shrink

mounting sealing devices, for example.

2.4 Temperature resistance

The pipes can be used at a temperature up to 120 °C within time and

pressure limits. Uponor PEX has unchanged impact strength even at

temperatures below -100 °C.

Freezing

However, Uponor PEX pipes, like all water filled pipes, must be

protected against freezing. The material is elastic and can normally

tolerate freezing. In the event of freezing, the pipe expands, but

returns to its original shape once the ice plug melts. Repeated

freezing weakens the pipe.

Uponor PEX pipes without conduit, cast in concrete, will not tolerate

freezing. Small air bubbles or cavities are always present in concrete.

If the cavities are touching the pipe and freezing occurs, the pipe wall

is forced into these cavities and the pipe is perforated, which results

in leakage.

2.5 Low friction

The extremely low friction coefficient of Uponor PEX yields low

pressure drops and minimises the risk of deposits.

2.6 Resistance of abrasion

The abrasion characteristics are very good: erosion corrosion does

not occur even at high water velocity

. Consequently Uponor PEX

pipes are used to transport highly abrasive sand slurry, for example.

2.7 Chemical resistance

The Uponor PEX pipe has a very high resistance to chemicals.

Building materials such as concrete, mortar

, plaster, etc. do not affect

the pipes negatively.

Tape, paint or sealing compounds containing softening agent must

not be used directly on the pipe; softening agents have a negative

effect on the pipe’s long-term properties.

If in doubt about the chemical resistance, please consult Uponor for

further information.

2.8 Scratch resistant

Uponor PEX can withstand minor scratches without being weakened,

because the material is resistant to crack growth. This property

makes it possible to lay pipes directly in stony ground without costly

preparation.

2.9 Sound absorbing

The material in Uponor PEX pipes is elastic and provides a shock-

absorbing function in the event of rapid shut-of

f of a solenoide valve,

for example. It absorbs sound and can transport solid materials, e.g.

woodchips without the risk of loud noise levels.

2.10 Vibration absorbing

Uponor PEX can absorb and withstand vibrations. Thanks to the

elasticity action of the PEX material, the surge is reduced to 30 %.

2.11 Electrical insulation

The electrical insulation properties of Uponor PEX are in the same

class as the best insulating materials. The material is non-polar and

totally free of impurities.

2.12 Low environmental impact

Uponor PEX is a material with minimal environmental impact in both

production and energy recovery

. In the event of complete

combustion, only carbon dioxide and water are formed.

2.13 UV light

Uponor PEX pipes must not be stored or fitted where they are

exposed to direct sunlight. UV radiation af

fects the material, impairing

its long-term properties.

Uponor PEX piping systems

echnical information

3 Pipe descriptions

3.1 Uponor Aqua Pipe

Uponor Aqua pipes are used in tap water systems. The pipes are

produced according to EN ISO 15875 class 2 in 6 or 10 bar versions.

Uponor Aqua and Uponor Combi Pipes are treated in accordance

with the new hygienic requirement in the Positive Lists for Organic

Materials, 4MS Common Approach.

Applications

Pipe Application

Uponor Aqua Pipe Tap water systems

Uponor Aqua Pipe in conduit Tap water systems in concealed

installations with conduit

Uponor Aqua Pipe insulated Tap water systems where there is a

risk of condensation or freezing

Uponor Aqua Pipe in insulated

conduit

Tap water systems in concealed

installations with conduits and

insulation

Pipe layers

ED0000007

Item Description

A Basic pipe of cross-linked polyethylene (PE-Xa)

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Always use fittings with support sleeves together with Uponor pipes.

Uponor Q&E and Wipex fittings have been specially developed for

use with Uponor pipes.

Press fittings and compression fittings designed for these Uponor

pipes are also available. Ensure that the compression fitting has a

split compression ring.

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Aqua Pipe, 6 bar

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

16x1.8 12.4 7.5 12.1

20x1.9 16.2 10.1 20.6

25x2.3 20.4 15.4 32.7

32x2.9 26.2 24.9 53.9

40x3.7 32.6 39.6 83.4

50x4.6 40.8 61.5 130.7

63x5.8 51.4 97.7 207.4

75x6.8 61.4 136.6 295.9

90x8.2 73.6 197.6 425.2

110x10.0 90.0 294.5 635.9

Uponor Aqua Pipe, 10 bar

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

12x1.7 8.6 5.2 5.8

15x2.5 10.0 9.2 7.9

16x2.2 11.6 8.9 10.6

18x2.5 13.0 11.4 13.3

20x2.8 14.4 14.2 16.3

22x3.0 16.0 16.8 20.1

25x3.5 18.0 22.2 25.4

28x4.0 20.0 28.3 31.4

32x4.4 23.2 35.8 42.3

40x5.5 29.0 55.9 66.0

50x6.9 36.2 87.6 102.9

63x8.6 45.8 137.8 164.7

75x10.3 54.4 196.3 232.3

90x12.3 65.4 281.5 335.8

110x15.1 79.8 422.1 499.9

125x17.1 90.8 543.4 647.2

Uponor Aqua Pipe in conduit

Pipe OD x

material

thickness, mm

Conduit OD/ID,

Weight, kg/

100 m

Volume, l/

100 m

15x2.5 25/20 9.2 7.9

16x2.2 25/20 8.9 10.6

18x2.5 28/23 11.4 13.3

20x2.8 28/23 14.2 16.3

22x3.0 34/28 16.8 20.1

25x3.5 34/28 22.2 25.4

28x4.0 54/48 28.3 31.4

Uponor PEX piping systems

echnical information

Uponor Aqua Pipe in insulated conduit

Pipe OD x

material

thickness, mm

Conduit OD/ID,

Insulation ID/

thickness, mm

Weight, kg/

100 m

15x2.5 25/20 28/10 19.0

18x2.5 28/23 31/10 24.6

22x3.0 34/28 37/20 43.5

3.2 Uponor Combi Pipe

Uponor Combi Pipes are used for tap water systems and supply lines

for heating systems, and are produced by Engel process and with an

oxygen dif

fusion barrier of EVOH (Ethyl Vinyl Alcohol). This layer is

extruded seamless on the outside of the Uponor Combi Pipe.

Uponor Aqua and Uponor Combi Pipes are treated in accordance

with the new hygienic requirement in the Positive Lists for Organic

Materials, 4MS Common Approach.

The Uponor Combi Pipes fulfil the requirements for oxygen diffusion

resistance as per DIN 4726 and ISO 17455.

Applications

Pipe Application

Uponor Combi Pipe Tap water and heating systems

Uponor Combi Pipe in conduit Tap water and heating systems in

concealed installations with conduit

Uponor Combi Pipe insulated Tap water and heating systems

where there is a risk of

condensation or freezing

Uponor Combi Pipe in insulated

conduit

Tap water and heating systems in

concealed installations with

conduits and insulation

Pipe layers

ED0000009

Item Description

A Basic pipe of cross-linked polyethylene (PE-Xa)

B Adhesive layer of modified polyethylene (PE)

C Diffusion barrier of ethyl vinyl alcohol (EVOH)

D Adhesive layer of modified polyethylene (PE)

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Always use fittings with support sleeves together with Uponor pipes.

Uponor Q&E and Wipex fittings have been specially developed for

use with Uponor pipes.

Press fittings and compression fittings designed for these Uponor

pipes are also available. Ensure that the compression fitting has a

split compression ring.

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Combi Pipe

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

12x1.7 8.6 5.2 5.8

15x2.5 10.0 9.2 7.9

16x2.0 12.0 8.3 11.3

16x2.2 11.6 9.0 10.6

18x2.5 13.0 11.4 13.3

20x2.8 14.4 14.3 16.3

22x3.0 16.0 17.0 20.1

25x3.5 18.0 22.3 25.4

28x4.0 20.0 28.5 31.4

Uponor Combi Pipe in conduit

Pipe OD x

material

thickness, mm

Conduit OD/ID,

Weight, kg/

100 m

Volume, l/

100 m

12x1.7 18/14.6 9.2 5.8

15x2.5 25/20 15.3 7.9

16x2.0 25/20 12.3 11.3

16x2.2 25/20 15.0 10.6

18x2.5 28/23 20.5 13.3

20x2.8 28/23 23.3 16.3

22x3.0 34/28 27.0 20.1

25x3.5 34/28 32.3 25.4

28x4.0 54/48 49.5 31.4

Uponor Combi Pipe in insulated conduit

Pipe OD x

material

thickness, mm

Conduit OD/ID,

Insulation ID/

thickness, mm

Weight, kg/

100 m

15x2.5 25/20 31/10 19.5

16x2.2 25/20 28/10 18.8

18x2.5 28/23 31/10 24.7

20x2.8 28/23 31/10 27.5

22x3.0 34/28 37/20 38.1

Uponor PEX piping systems

echnical information

3.3 Uponor Radi Pipe

Uponor Radi Pipe has been specially developed for flexible radiator

connections. This pipe is seamless and homogeneously coated with

an oxygen barrier layer

Pipes in bigger dimensions, 25-125 mm, are also used as media pipe

in Uponor Ecoflex applications.

Uponor Radi Pipe fulfils the requirements for oxygen diffusion

resistance as per DIN 4726 and ISO 17455.

Applications

Pipe Application

Uponor Radi Pipe Heating systems

Uponor Radi Pipe in conduit Heating systems in concealed

installations with conduit

Uponor Radi Pipe insulated Heating systems where there is a

risk of condensation or freezing

Pipe layers

ED0000009

Item Description

A Basic pipe of cross-linked polyethylene (PE-Xa)

B Adhesive layer of modified polyethylene (PE)

C Diffusion barrier of ethyl vinyl alcohol (EVOH)

D Adhesive layer of modified polyethylene (PE)

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Always use fittings with support sleeves together with Uponor pipes.

Uponor Q&E and Wipex fittings have been specially developed for

use with Uponor pipes.

Press fittings and compression fittings designed for these Uponor

pipes are also available. Ensure that the compression fitting has a

split compression ring.

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Radi Pipe

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

15x2.5 10.0 9.3 7.9

16x2.0 12.0 8.3 11.3

16x2.2 11.6 9.0 10.6

18x2.5 13.0 11.5 13.3

20x2.0 16.0 12.4 19.5

20x2.8 14.4 14.3 16.3

22x3.0 16.0 17.0 20.1

25x2.3 20.4 15.5 32.7

25x3.5 18.0 22.3 25.4

28x4.0 20.0 28.5 31.4

32x2.9 26.2 25.0 53.9

32x4.4 23.2 36.0 42.3

40x3.7 32.6 39.9 83.4

50x4.6 40.8 61.9 130.7

63x5.8 51.4 98.2 207.4

75x6.8 61.2 137.2 295.9

90x8.2 73.6 198.3 425.2

110x10 90.0 295.8 635.9

Uponor Radi Pipe in conduit

Pipe OD x

material

thickness, mm

Conduit OD/ID,

Weight, kg/

100 m

Volume, l/

100 m

15x2.5 25/20 15.3 7.9

16x2.0 25/20 14.3 11.3

18x2.5 28/23 19.5 13.3

22x3.0 34/28 27.0 20.1

28x4.0 54/48 49.5 31.4

Uponor Radi Pipe insulated

Pipe OD x

material

thickness, mm

Insulation ID/

thickness, mm

Weight, kg/

100 m

Volume, l/

100 m

15x2.5 18/10 12.2 7.9

22x3.0 25/13 21.9 20.1

28x4.0 31/20 38.45 31.4

Uponor PEX piping systems

echnical information

3.4 Uponor Teck conduits

Uponor Teck are conduits made of high-density polyethylene (HDPE).

They are designed to protect the interior of flexible multi-layer pipes

used for tap water and heating applications. The conduits are

produced in dif

ferent colours depending on which applications they

are aimed for.

Using pipe in conduit installation reduces the risk of water damages

and allow for flexible media pipe to be replaced.

Fire classification E according to EN 13501-1.

Uponor conduits fulfil the Norwegian requirements, Nordtest method,

NT VVS 129 including test method no. 02-2014 also KIWA BRL K536

part D.

Pipe layers

ED0000020

Item Description

A High-density polyethylene (HDPE)

Pipe dimensions

OD = outer diameter, ID = inner diameter.

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

Uponor Teck

Conduit OD/ID,

Colour

25/20 Black, Blue, Red, White

28/23 Black, Blue, Red, White

35/29 Black, Blue, Red, White

43/36 Black

54/48 Black, White

Uponor Teck, Nordtest

Conduit OD/ID,

Colour

25/20 Black, White

28/23 Black, White/blue, White/red, White

34/28 Black, White

Uponor Teck in insulation

Conduit OD/ID,

Colour Insulation ID/thickness, mm

54/48 Black 57/20

3.5 Uponor Comfort Pipe PLUS

Uponor Comfort Pipe PLUS is a pipe with an oxygen diffusion barrier.

This barrier consists of a layer of ethyl vinyl alcohol (EVOH) extruded

on the outside of the PEX pipe. The outermost layer is polyethylene

(PE). This layer is very flexible and does not af

fect the flexibility and

pliability of the basic pipe.

Uponor Comfort Pipe PLUS fulfils the requirements for oxygen

diffusion resistance as per DIN 4726 and ISO 17455.

Applications

Pipe Application

Uponor Comfort Pipe PLUS Underfloor heating systems

Pipe layers

ED0000010

Item Description

A Basic pipe of cross-linked polyethylene (PE-Xa)

B Adhesive layer of modified polyethylene (PE)

C Diffusion barrier of ethyl vinyl alcohol (EVOH)

D Adhesive layer of modified polyethylene (PE)

E Outer layer of polyethylene (PE)

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Always use fittings with support sleeves together with Uponor pipes.

Uponor Q&E fittings have been specially developed for use with

Uponor pipes.

Press fittings and compression fittings designed for these Uponor

pipes are also available. Ensure that the compression fitting has a

split compression ring.

Uponor PEX piping systems

echnical information

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Comfort Pipe PLUS

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

14x2.0 10.0 7.1 7.9

16x2.0 12.0 8.3 11.3

17x2.0 13.0 10.4 13.3

20x2.0 16.0 10.7 20.1

25x2.3 20.4 15.4 32.7

3.6 Uponor Klett Comfort Pipe

PLUS

Uponor Klett Comfort Pipe PLUS is a pipe used for heating

applications. The pipe is equipped with a hook fastening tape wound

wrapped around it.

When the pipe is pressed into the correct position against the special

laminated panel used for the installation, the hooks catch the foil

loops and secure the pipe, guaranteeing maximum fixture.

Applications

Pipe Application

Uponor Klett Comfort Pipe PLUS Heating systems

Pipe layers

ED0000021

Item Description

A Basic pipe of cross-linked polyethylene (PE-Xa)

B Adhesive layer of modified polyethylene (PE)

C Diffusion barrier of ethyl vinyl alcohol (EVOH)

D Adhesive layer of modified polyethylene (PE)

E Outer layer of polyethylene (PE)

F Self-adhesive hook fastening tape wound

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Always use fittings with support sleeves together with Uponor pipes.

Uponor Q&E fittings have been specially developed for use with

Uponor pipes.

Press fittings and compression fittings designed for these Uponor

pipes are also available. Ensure that the compression fitting has a

split compression ring.

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Klett Comfort Pipe PLUS

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

14x2.0 10.0 7.1 7.9

16x2.0 12.0 8.3 11.3

3.7 Uponor Minitec Comfort Pipe

Uponor Minitec Comfort Pipe is specially developed for underfloor

heating on existing screed, timber or tiled floors. It is optimised for

near-surface heating in residential buildings.

The pipe is seamless and homogeneously coated with an oxygen

barrier layer

. The installation height is only 15 mm and consists of a

self-adhesive foil element and a PE-Xa pipe in dimension 9.9 mm.

Uponor Minitec Comfort Pipe fulfils the requirements for oxygen

diffusion resistance as per DIN 4726 and ISO 17455.

Applications

Pipe Application

Uponor Minitec Comfort Pipe Heating systems

Uponor PEX piping systems

echnical information

Pipe layers

ED0000009

Item Description

A Basic pipe of cross-linked polyethylene (PE-Xa)

B Adhesive layer of modified polyethylene (PE)

C Diffusion barrier of ethyl vinyl alcohol (EVOH)

D Adhesive layer of modified polyethylene (PE)

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Always use fittings with support sleeves together with Uponor pipes.

Uponor Q&E fittings have been specially developed for use with

Uponor pipes.

Press fittings and compression fittings designed for these Uponor

pipes are also available. Ensure that the compression fitting has a

split compression ring.

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Minitec Comfort Pipe

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

10.2x1.3 7.6 3.5 4.5

3.8 Uponor Meltaway PEX Pipe

The Uponor Meltaway PEX Pipe is manufactured from silane cross-

linked polyethylene (PE-Xb).

It is not oxygen dif

fusion resistant and must be connected to other

heating systems with an intermediate heat exchanger.

The Meltaway pipe is specially designed for streets, market squares

and football pitches. It can be covered with asphalt, sand, flagstones

or cast in concrete.

Manifolds and distributing pipes including fittings are made of high-

density polyethylene. In other words, all components are made of the

same material and have the same coef

ficient of linear expansion.

Applications

Pipe Application

Uponor Meltaway PEX Pipe Outdoor surface warming, snow

and ice melting

Operating temperature and pressure

Maximum permitted operating temperature for Uponor Meltaway PEX

Pipes is 50 °C at 4.5 bar

Pipe layers

ED0000006

Item Description

A Basic pipe of silane cross-linked polyethylene (PE-

Xb)

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Uponor Meltaway fittings and manifolds for Uponor Meltaway PEX

pipes are completely made of plastic with O-ring seals.

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Meltaway PEX Pipe

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

25x2.3 20.4 17.0 31.7

Uponor PEX piping systems

echnical information

Uponor Meltaway feeder tubes

Pipe OD x material

thickness, mm

Pipe ID, mm Length (L), mm

75x6.8 61.4 6000

110x6.6 96.8 6000

160x9.5 141.0 6000

200x11.9 176.2 6000

3.9 Uponor Meltaway PLUS PE-

Xa orange

The Uponor MELTAWAY PLUS PE-Xa orange pipe consists of a PE-

Xa basic pipe with orange coating.

It is not oxygen dif

fusion resistant and must be connected to other

heating systems with an intermediate heat exchanger.

The Meltaway pipe is specially designed for streets, market squares

and football pitches. It can be covered with asphalt, sand, flagstones

or cast in concrete.

Manifolds and distributing pipes including fittings are made of high-

density polyethylene. In other words, all components are made of the

same material and have the same coefficient of linear expansion.

Applications

Pipe Application

Uponor Meltaway PEX Pipe Outdoor surface warming, snow

and ice melting

Operating temperature and pressure

Maximum permitted operating temperature for Uponor Meltaway PEX

Pipes is 50 °C at 4.5 bar

Pipe layers

ED0000008

Item Description

A Basic pipe of cross-linked polyethylene (PE-Xa)

B Outer layer of polyethylene (PE), Orange

Fittings

Note

Only use fittings recommended by Uponor or its

representatives.

Uponor Meltaway fittings and manifolds for Uponor Meltaway PEX

pipes are completely made of plastic with O-ring seals.

Pipe dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

OD = outer diameter, ID = inner diameter.

Uponor Meltaway PLUS PE-Xa orange

Pipe OD x

material

thickness, mm

Pipe ID, mm Weight, kg/

100 m

Volume, l/

100 m

25x2.3 20.4 17.0 31.7

Uponor Meltaway feeder tubes

Pipe OD x material

thickness, mm

Pipe ID, mm Length (L), mm

75x6.8 61.4 6000

110x6.6 96.8 6000

160x9.5 141.0 6000

200x11.9 176.2 6000

Uponor PEX piping systems

echnical information

4 Component descriptions

Note

This section briefly describes some of the components in

the Uponor PEX product family.

For more detailed information, product range and

documentation please visit the Uponor website:

www.uponor.com.

4.1 Uponor Q&E fittings

The Uponor Q&E fitting is developed based on a method where a

Uponor PEX pipe is gradually expanded with a Q&E (PEX) ring fitted

on the outside, and then allowing it to shrink back onto a fitting nipple.

The technique can be used due to the fact that the Uponor PEX

material is capable of shrinking back to almost its original size, even

after a very large amount of extensions (elongation).

By this type of connection, the reduction of inner diameter is much

less than on ordinary fittings. It is almost the same as the inner

diameter on the pipe.

The components of the Uponor Q&E system have been very carefully

designed to ensure optimum ease of fitting and the best possible

sealing function. The designs of the fitting nipple and the expander

segments have been carefully matched to one another

, to the Uponor

PEX pipe and to the Q&E ring. Design modifications and/or

dimensional changes to the nipple, expander segments or the

expanding procedure will entirely alter all of the basic conditions.

Testing and approvals

The manufacturing of both fittings and pipes is subject of periodic

inspections by A

TG, KIWA, MPA, SP and QAS.

Uponor Q&E fittings got their first certifications in 1995. Since then

they have been tested in performance and certified by several

independent official accredited laboratories, such as ATG (Belgium),

DVGW (Germany), KIWA (the Netherlands), MPA (Germany), SP

(Sweden), TGM (Austria), QAS (Australia) as well as in Uponor's own

laboratories.

Uponor Q&E is also certified for gas applications by Gastec in the

Netherlands.

Range of fittings

Uponor Q&E fittings are available in brass, dezincification resistant

brass (DR) and a durable, proven plastic called polyphenylsulphone

(PPSU).

No other tool than an expander tool is needed for connecting the pipe

to the fitting.

Brass

Two different materials are used for Uponor Q&E metal fittings. One

is brass and the other is dezincification resistant brass (DR).

Plastic (PPSU)

Uponor Q&E fittings made of polyphenylsulfone (PPSU) have low

weight and very low internal roughness. They are non-toxic with good

chemical resistance.

Uponor Q&E rings

Item Description Colour Dimension, mm

A Uponor Q&E

evolution ring

White; Blue; Red 16, 20, 25, 32

B Uponor Q&E ring

with stop edge

Natural 16, 20, 25, 32, 40,

50, 63, 75

Blue; Red 12, 16, 25

C Uponor Q&E ring

with stop edge

Natural 12, 16, 25

D Uponor Q&E ring

natural, eval

Natural 14

E Uponor Q&E ring

with stop edge

NKB

White 15, 18, 22, 28

The function of the Q&E ring is to enhance the shrinking force after

expansion and strengthen the tightness of the connection.

Uponor PEX piping systems

echnical information

Dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

Uponor Q&E fittings are available for pipe dimensions 16-75 mm.

4.2 Uponor Wipex fittings

The Uponor Wipex fitting is a very safe fitting produced by Uponor. It

is specifically designed for connecting cross-linked polyethylene

pipes for hot and cold water in domestic and district heating

installations.

The fitting is robust and simple in design. It can be fitted very easily

and quickly even in dif

ficult locations and confined spaces. No bulky

tools are required. The ring spanner used when tightening the fitting

is very small and convenient to use in relation to the size of the fitting.

The Uponor Wipex fitting is designed to give an excellent tight grip.

The gripping strength is higher than the tensile strength of the pipe,

and the sealing performance is unaffected by temperature

fluctuations.

Testing and approvals

The Uponor Wipex fitting has been tested in performance by several

independent of

ficial accredited laboratories such as according to

DVGW (Germany), NKB (Sweden), CSTB (France) and KIWA (the

Netherlands), and approved.

Range of fittings

The Uponor Wipex fittings are available in dezincification resistant

brass (DR) or gun metal (Rg). O-rings are used to seal between the

fittings and pipe fittings.

All tools needed are two fixed wrenches plus a pair of pliers.

Dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

Uponor Wipex fittings are available for pipe dimensions 25-110 mm,

in two series marked PN 6 and PN 10.

4.3 Compression fittings

Note

Always use fittings with support sleeves together with

Uponor pipes.

Ensure that the compression fitting has a split

compression ring.

A wide range of fittings are available for the easy and secure

connection of plastic pipes; mainly compression fittings, among

others of various manufacture.

For the safest fittings, Uponor pipes should be connected with

approved fittings recommended by Uponor or any of our retailers.

The Uponor recommended fittings have been tested in performance

by several independent of

ficial accredited laboratories, as well as in

Uponor's own laboratories.

Dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

4.4 Manifolds

Uponor offers manifolds in brass and plastic suitable for both tap

water and heating applications with a wide range of connection

possibilities.

A manifold installation with Uponor components of

fers the following

advantages:

• Fewer connection points

• Accessible connection points

• Reduced pressure and temperature variances

• Quick installation

Uponor PEX piping systems

echnical information

Brass

Uponor Aqua PLUS manifold WTR PEX DR

Uponor Aqua PLUS manifold WTR PEX DR is a high quality manifold

made of dezincification resistant brass for tap water applications. It

consists of flexible modules with 2 or 3 loops supplied with

compression fittings. Outlets with G¾" male threads.

Uponor Q&E manifold NKB DR

Item Description

A Uponor Q&E manifold NKB DR with fixed Q&E outlets

B Uponor Q&E manifold NKB DR with exchangeable

outlets

C Uponor Aqua PLUS manifold adapter for Q&E

manifolds with exchangeable outlets

There are two types of Uponor Q&E manifold NKB DR available,

fered mainly on the Nordic markets. They are made of

dezincification resistant brass and used for tap water applications.

The manifolds consist of flexible modules with 2, 3 or 4 outlets.

One type has fixed Q&E outlets for easy connection of pipes

equipped with Q&E rings.

The other type has exchangeable outlets with a possibility to connect

different pipe dimensions to each manifold if desired. Uponor Q&E

adapters for manifolds with exchangeable outlets are available in

dimensions 12, 15, 16 and 18 mm.

Uponor Vario B

Uponor Vario B WGF is a high quality manifold made of brass for

underfloor heating applications that provides easy installation with

high reliability.

It consists of flexible modules with 2, 3 or 4 loops and corresponding

fill/drain/ventilation sets or primary connection sets.

The secondary connectors allow the connection of all Uponor pipe

dimensions which makes the manifold universal for Uponor

underfloor heating systems.

Plastic (PPM)

Uponor Aqua PLUS manifold PPM

Note

All parts within the Uponor Aqua PLUS manifold PPM

system are fully compatible with each other

The Uponor Aqua PLUS PPM is a plastic manifold system suitable

for both tap water and radiator solutions with a wide range of

connection possibilities. The installation is easy and with the available

adapters it is possible to connect pipes of different types (Uponor PE-

Xa or composite pipes) and dimensions. The pipes are connected to

the manifold with Uponor Q&E and Uponor FPL-X fittings for Uponor

PE-Xa pipes, Uponor S-Press fitttings for composite pipes, or a

combination of these options.

Intended use: Together with Uponor pipes the Uponor Aqua PLUS

PPM system distributes tap water within the allowed pressure and

temperature range.

Uponor PEX piping systems

echnical information

Uponor Vario PLUS

Uponor Vario PLUS is a high quality manifold made of glass fiber

reinforced polyamide. It is created for heating applications for easy

installation and highest reliability

The manifold is deliverable in flexible modules of 1, 3, 4 and 6 loops

and corresponding fill/drain/ventilation sets or primary connection

sets.

The secondary connectors allow the connection of all Uponor pipe

dimensions which makes the manifold universal for Uponor

underfloor heating systems.

Dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

4.5 Cabinets

In some countries, the Uponor PEX tap water and underfloor heating

systems are using manifolds which must be installed in cabinets. In

other countries this is an option.

Uponor of

fers cabinet solutions for both tap water and underfloor

heating installations.

Tap water cabinets

Uponor has a complete range of cabinets for a quick, easy and

watertight tap water installation. There are five dif

ferent basic designs

of the Uponor Aqua PLUS cabinets available:

• Manifold cabinets in depths 108 and 118 mm, for manifold

installations

• Riser cabinet in depth 108 mm, for installation of riser

connections in the cabinet

• Combi cabinetin depths 118 and 205 mm, for installation of

water and heating pipes in the same cabinet

• Water inlet cabinets in depth 125 and 150 mm, suitable when

installation of water meter is required in the cabinet

• Outwater cabinetin depth 70 mm, with a pre-mounted water

meter console

The cabinets fulfil the requirements in the Nordtest method NT VVS

129, as well as the Swedish trade regulations Säker Vatten for a

correct and watertight installation.

Leak protection

Note

Cabinets give protection against leakage.

Using pipe in conduit installations and leak proof cabinets reduce the

risk of water damage in the house. The wall boxes used at the

faucets have watertight connections to the pipes and in case of

leakage, the water flows within the conduit to the cabinet.

The cabinet is connected to the sewage via a separate pipe in the

bottom. Leakage water from the conduit will hence flow to the sewer

Uponor PEX piping systems

echnical information

Underfloor heating cabinets

The Uponor Vario cabinet is suitable for underfloor heating

installations. It has enough space for necessary Uponor components

like manifolds, room control equipment, pump groups, corresponding

heat meter sets, valves and similar

Uponor Vario cabinets are optionally available with the frame and

door made of sheet steel or plastic.

The cabinets are adjustable in height and depth:

• Height adjustment: maximum 200 mm

• Depth adjustment: 80–120 mm or 110–150 mm

Dimensions

Note

Detailed information about the range of components,

dimensions etc is available in the price list.

4.6 Pre-fabricated units

Pre-fabricated cassette for bathroom installation.

Uponor can of

fer prefabricated units for a wide range of applications

where the Uponor PEX components form the basis; from bathroom

cassettes, small tap water and radiator cabinets up to larger cabinets

for e.g. underfloor heating or incoming water.

The ready-to-install units are delivered to the construction site ready

for installation according to customer specifications, whether it

applies to single family houses, multi-storey buildings or commercial

buildings. Upon request, they can also be delivered with specific

components like valves, heat meters, and room temperature control

system.

Uponor PEX piping systems

echnical information

5 Application descriptions

The range of Uponor PEX pipes can be used for various applications.

This chapter gives a short overview of the core application areas.

For more detailed information, product range and documentation

please visit the Uponor website: www

.uponor.com.

Note

Installations of the Uponor systems are described in

detail in respective installation manual. Visit the Uponor

download centre for more information.

5.1 Tap water

Note

The installation must be carried out in accordance with

current local standards and regulations!

Please check your country norm, like EN 806-3 or DIN 1988-3, when

selecting and calculating the installation.

ap water systems influence the quality of the drinking water and

moisture protection. Therefore the choice of system is a central

decision in the building project. A built-in Uponor PEX system is a

complete solution that contains all needed components.

Installation configuration

Tap water installations can follow the tee configuration or can be

configured with manifolds.

The Uponor tap water system Q&E (PPSU and brass) can be used in

both types of installations.

Traditional tee system installation

SD0000088

Uponor Tap Water System can be installed in the same fashion as a

traditional system made of metal pipes i.e. a ”T

ee system”. The

advantage with this installation method is the use of less pipes than

the manifold system described below. However, the traditional

method has some inherent disadvantages that should be taken into

consideration.

The design work for example is more complicated. Most engineers

wish to reduce the pipe dimension, from a larger one at the beginning

Uponor PEX piping systems

echnical information

of the system to a smaller one at the end, which is why calculations

are needed to determine the various pipe sizes.

Also, there are temperature and pressure variations due to the fact

that one supply pipe normally has more than one draw-of

f point. In

addition, there are more connection points than with the manifold

system and these are often inaccessibly situated within the walls.

Furthermore, because of the various pipe dimensions and the large

number of corresponding fittings, stock keeping is more complicated

on-site.

Manifold system

SD0000089

The manifold system does not present any of the above-mentioned

dif

ficulties. It can be designed with one single pipe dimension from

the manifold to the draw-off point, which simplifies design and

installation work.

With connection points only at the manifold and the faucet, the risk of

leakage from joints is considerably reduced and there are no

awkward connections within the walls. Since there are no other draw-

off points on the same supply pipe, pressure and temperature

variations are minimal when faucets are turned on and off in varying

sequences.

Furthermore fewer pipe dimensions and fittings allow for easier stock

keeping and save on installation time and labour costs.

5.2 Radiator heating

There are two main pipes in a traditional system for radiator

installation. One supply pipe and one for return, on which the dif

ferent

radiators are connected. Water must always enter the radiator

through the top and exit through the bottom.

The supply pipes are installed in parallel, so the water that reaches

each radiator from the boiler and returns directly to it. The supply

temperature in all radiators is practically the same in this type of

installation.

There are two installation possibilities: direct return or Tichelmann.

Uponor PEX piping systems

echnical information

Direct return installation

SD0000073

The return pipe starts from the most distant radiator and collects the

water from the dif

ferent radiators until it is returned to the boiler.

The water path is shorter for closer radiators so pressure loss is

lower and the flow must be properly regulated.

Tichelmann installation

SD0000072

The return pipe starts from the closest radiator to the boiler and

continues in the direction of the supply until it reaches the boiler

The paths to each radiator have similar lengths and no flow

regulation is required.

5.3 Underfloor heating

Uponor underfloor heating systems are available for installation in

both wet and dry floor constructions.

Concrete screeded floors

In concrete screed floors or ”wet installations”, the screed spreads

the heat out across the surface and thereby provides an even floor

surface temperature.

Wooden suspended floors

Wooden suspended floors or "dry installations" do not conduct heat

as ef

ficiently as concrete. Consequently heat diffusion plates are

required in this type of installation in order to achieve an even floor

temperature.

Floating floors

On concrete floors it is possible to install underfloor heating using

polystyrene panels provided with grooves for the heat dif

fusion plates

and the pipes. This alternative can be used on all types of planed

floors.

Uponor PEX piping systems

echnical information

5.4 Surface heating

Uponor Surface heating is an adjustable application for different

structures. It is especially designed for outdoor use in driveways,

ramps, fire department or hospital approach roads, helicopter landing

zones, side walks, football pitches, etc.

The pipes can be covered with asphalt, gravel, paving stones, sand

or can be cast into concrete slab.

Wide variety of heat sources

The Uponor Surface system needs a minimum of +35 °C water

temperature to function which means that a wide variety of heat

sources can be used, including district heating return water

, waste

heat from various processes, heat pumps, etc. The heat from any

suitable source can be transferred through a heat exchanger to the

Uponor snow and ice melting system.

Uponor PEX piping systems

echnical information

5.5 Industrial applications

Uponor Industrial Applications offer a diverse range of solutions

satisfying specific requirements from customers in dif

ferent industrial

fields. The solutions are based on standard or tailor made products

manufactured or designed by Uponor, such as pipes, fittings and

components.

Pipes for industrial applications

Uponor Industrial Applications supply Uponor PEX pipes for a variety

of applications. The pipes can be specified according to standard

pipe sizes and in some instances according to specific pipe size

requirements when it comes to outer diameter

, inner diameter and

wall thickness.

Other features available are non standard coil lengths, coating,

colour, shape, etc. The pipes can be processed and shaped

according to customer drawings and specifications.

Fittings and connection techniques

Uponor fittings are available for different applications e.g. Uponor

Q&E and Wipex fittings. The material of the fittings include brass,

PPSU or stainless steel depending on the application.

Other connection techniques are based on PEX flanges. A solution

spanning from small pipe sizes to larger bore pipes within the Uponor

PEX pipe range.

Applications

Uponor Industrial Applications deliver pipes and components used in

environments with strict requirements for cleanliness, such as in the

medical field.

The pipes are used in water cooling circuits for power electronics

according to customer drawings.

Other applications take advantage of specific properties of the

Uponor PEX pipes, such as flexibility

, abrasion or scratch resistance.

Uponor PEX piping systems

echnical information

6 Installation and operation

6.1 Installation process

Note

Installation must be performed by a competent person in

accordance with local standards and regulations.

The installation process varies from country to country. Always follow

the local standards and regulations whenever the Uponor systems

should be installed.

As a guidance, always read and follow the instructions given in

respective Uponor installation manual.

6.2 Pressure and tightness testing

For thermoplastic and multi-layer pipe in tap water and radiator

heating installations, tests carried out in accordance with Method A of

the Standard ENV 12108-02 will be considered to be valid.

•

Once the aforementioned test has been carried out, the

installation will be connected to the taps and consumption

devices and subjected to the test again.

• The pressure gauge used in this test must detect pressure

intervals of at least 0.1 bar.

• These pressures refer to street level.

Test method

[x working

pressure]

[min]

1.5

1.0

0.5

30 60 90 120

DI0000065

The test consists of the following steps:

Vent and fill the system with potable drinking water.

2. Visually inspect the whole system for leaks.

3. Pressurise the installation to a test pressure of not less than 1.5

times the maximum working pressure.

4. Apply the test pressure by pumping for a period of 30 minutes.

Inspect for leaks.

5. Reduce the pressure in the pipework by bleeding water from the

system to 0.5 times the maximum working pressure.

6. Close the bleed valve.

7. Visually check for leakage and monitor for 90 minutes. If there is

no reduction in pressure the system is regarded as leak tight.

8. Flush the system as required.

6.3 Forces of expansion and

contraction

Forces of expansion and contraction can appear when a pipe has

been installed at an ambient temperature of about 20 °C and is then

suddenly exposed to a water temperature of 90 °C.

Forces can appear during both expansion and contraction. However

if the temperature changes gradually

, or if the pipe can give

sideways, the strength of the forces will diminish. Naturally sideways

movement can be influenced by pipe length and by clamping, but

note that the length of the pipe has no bearing on the size of the

force.

Pipe dimension, mm Shrinking force, N

22x3.0 250

25x2.3 200

25x3.5 300

28x4.0 400

32x2.9 400

32x4.4 500

40x3.7 600

40x5.5 800

50x4.6 900

50x6.9 1300

63x5.8 1500

63x8.7 2100

75x6.8 2100

90x8.2 2900

110x10.0 4400

6.4 Shrinking

Permitted shrinking in lengths as per standards for PEX pipes,

EN ISO 15875 is a maximum of 3 %.

Always consider the shrinking in length of the Uponor PEX pipes

when planning the installation.

6.5 Bending radius

r = 5 x OD

min

= 8 x OD

SI0000384

Minimum recommended bending radius in general pipes is 8 x outer

diameter (OD).

Uponor PEX piping systems

echnical information

Minimum recommended radius with hot bending is 5 x outer diameter

(OD) when using a bending support.

Narrower bending radii occur when using bending supports as well as

various other fittings, such as wall elbows. These have been tested

for Uponor PEX pipes and do not have any negative ef

fect on the

long-term properties of the pipes.

6.6 Kinked pipes

Caution!

Do not use an open flame for heating. Use a hot-airgun.

Caution!

Do not heat Uponor pipes used in heating installations.

They have an outer oxygen dif

fusion barrier which, if

heated, will be damaged.

In the case of accidental kinking of a pipe during installation, the pipe

should be heated gently and very carefully

. The thermal memory in

the material will be activated and the pipe reforms to original shape.

1 Straighten the damaged section

Straighten the damaged section by hand.

2 Carefully heat the damaged area

Carefully heat the damaged area with a hot-air gun, rotating the gun

around the pipe throughout the process for an even application.

3 Heat until transparency

Heat until the pipe has returned to its original shape or until the

material begins to become transparent round its whole

circumference. This will happen at around 130 °C.

•

Keep heating to a minimum. It is not always necessary to heat

the pipe until it is transparent before it resumes its original

shape.

• Note any change in the pipes surface. If heating has discoloured

the pipe, this indicates that the material has been damaged and

the pipe needs replacing

4 Cool to room temperature

Allow the pipe to cool to room temperature or by using a wet rag

before use. Using cold water or blowing cold air on the repaired

section will accelerate cooling.

5 Original appearance

Once cooled, the pipe will return to its original appearance and regain

all of its strength.

Uponor PEX piping systems

echnical information

7 Technical data

7.1 Technical specifications

Mechanical properties

Description Value Unit Test norm

Density 0.938 g/cm³

Tensile

strength

(20 °C)

(100 °C)

19-26

9-13

N/mm²

DIN 53455

E-module (20 °C)

(80 °C)

800-900

300-350

N/mm²

DIN 53457

Ultimate

elongation

(20 °C)

(100 °C)

350-550

500-700

DIN 53455

Impact

strength

(20 °C)

(-140 °C)

No rupture

kJ/m²

DIN 53453

Moisture

absorption

(22 °C) 0.01 mg/4 d DIN 53472

Friction

coef

ficient

against steel

0.08-0.1 ―

Surface

energy

34x10

-3

N/mm²

Oxygen

permeability

(20 °C)

(55 °C)

0.8x10

-9

3.0x10

-9

g m/m²s bar

DIN 4726

Thermal properties

Description Value Unit Test norm

Temperature

range

-100 to +100 °C

Linear

expansion

coef

ficient

(20 °C)

(100 °C)

1.4x10

-4

2.05x10

-4

m/m°C

DIN 53752

Softening

temperature

+130 °C DIN 53460

Specific heat 2.3 kJ/kg°C

Coefficient of

thermal

conductivity

(20 °C) 0.35 W/m°C DIN 52612

Electrical properties

Description Value Unit Test norm

Specific

internal

resistance

(20 °C)

W m

Dielectric

constant

(20 °C) 2.3 ― DIN 53483

Dielectric

loss factor

(20 °C/

50 Hz)

1x10

-3

― DIN 53483

Disruptive

voltage

(0.5 mm foil)

(20 °C) 2.3 kV/mm DIN 53481,

VDE 0303

Pipe properties

Description Value Unit Test norm

Cross-linking level

PE-Xa >70 % EN ISO 15875

PE-Xb >65 % EN ISO 15875

PE-Xc >60 % EN ISO 15875

Oxygen diffusion resistance

Uponor Comfort Pipe PLUS,

Uponor Radi Pipe

≥0.10 g/(m³ d) DIN 4726

Min. laying temperature DIN 53460

Uponor Comfort Pipe PLUS,

Uponor Radi Pipe

-15 °C

Uponor Aqua Pipe -20 °C DIN 52612

Max. operating temperature

Uponor Aqua Pipe insulated,

Uponor Radi Pipe

+95 °C

Uponor Comfort Pipe PLUS +95 °C

7.2 Service conditions and design

pressure

Note

The derivation of S

calc, max

is provided in annex A. The

method described takes account of the properties of PE-

X under service conditions for the classes given in T

able

1 of the EN ISO 15875-1:2003.

The maximum calculated pipe value, S

calc, max

, for the applicable class

of service conditions and design pressure, p

, shall conform to the

table below

Maximum calculated pipe values, table 1

bar

Application class

Class 1 Class 2 Class 4 Class 5

calc, max

values

7.6

6 6.4 5.9 6.6 5.4

8 4.8 4.4 5.0 4.0

10 3.8 3.5 4.0 3.2

Source: EN ISO 15875-1:2003.

a) The values are rounded to the first place of decimals.

b) The 20 °C, 10 bar

, 50 years, cold water requirement, being higher,

determines this value (see clause 4 of EN ISO 15875-1:2003).

The values of outside diameter and/or wall thickness apply to the

cross-linked polyethylene pipe and are exclusive of additional outside

layers. For pipes with barrier layers (ISO 15875-1:2003, clause 3.1.4)

the values of outside diameter and wall thickness may apply to the

finished product, including the barrier layer, provided that the

thickness of the outside barrier layer including any adhesive layer

shall be ≤ 0.4 mm and the design calculation using the values of

outside diameter and wall thickness of the base pipe (PE-X) meet the

calc, max

-values in Table 1.

The manufacturer shall state the dimensions and tolerances of the

base pipe in his documentation when different from Tables 2 to 6 of

this standard.

Uponor PEX piping systems

echnical information

Classification of function conditions as per EN ISO 15875

Application

class

Operating

temperature T

(°C)

Time at T

(years)

max

(°C) Time at T

max

(years)

mal

(°C) Time at T

mal

(hours)

Typical

application

60 49 80 1 95 100 Hot water

distribution

(60 °C)

70 49 80 1 95 100 Hot water

distribution

(70 °C)

20 2.5 Underfloor

heating and low

temperature

radiators

Followed by

40 20

Followed by 70 2.5 100 100

60 25

Followed by (see next column) Followed by (see next column)

20 14 High

temperature

radiators

Followed by

60 25

Followed by 90 1 100 100

80 10

Followed by (see next column) Followed by (see next column)

Source: EN ISO 15875-1:2003.

Note

For values exceeding those in the table for T

, T

max

and

mal

, this standard is not applicable.

a) In order to comply with national regulations, a country may apply

either class 1 or 2.

b) Where more than one operating temperature is shown for any

class, the times must be added up, e.g. the operating temperature

profile for 50 years for class 5 is: 20 °C for 14 years followed by 60 °C

for 25 years, 80 °C for 10 years, 90 °C for one year and 100 °C for

100 h.

All systems that fulfil the requirements as per the table above are

also suitable for transporting cold water for a period of 50 years at a

temperature of 20 °C and an operating pressure of 10 bar

In heating installations, only water or treated water must be employed

as a heat carrier.

7.3 Linear expansion diagram

°C

DI0000059

mm/m

10 20 30 40 50 60 70 80 90

Item Description

A Linear expansion, mm/m

B Temperature, °C

Uponor PEX pipes have great linear expansion and small expansive

forces compared to metal pipes. With concealed installation, linear

expansion takes place between pipe and conduit.

Uponor PEX piping systems

echnical information

With visible installation, the expansive forces are transferred to

expansion absorbing devices or to the building structure through

fixing.

Installation example

A riser pipe transporting hot water is installed at an ambient

temperature of 20 °C. How much will the riser expand if the

transported water has a temperature of 70 °C? According to the

diagram, the thermal expansion is 2.5 mm/m at 20 °C. At 70 °C, the

expansion is 12.5 mm/m.

The pipe expands 12.5 mm/m - 2.5 mm/m = 10 mm/m when

transporting the hot water

7.4 Heat emission loss diagrams

Uponor PEX 1.0 MPa 90 °C

DI0000053

0 10 20 30 40 50 60 70 80 °C

63x8.7

50x6.9

40x5.5

32x4.4

25x3.5

20x2.8

16x2.2

12x2.0

Uponor PEX 0.6 MPa 90 °C

DI0000054

0 10 20 30 40 50 60 70 80 °C

63x5.8

50x4.8

40x3.7

32x3.0

25x2.3

20x2.0

16x2.0

75x6.990x8.2110x10

Uponor PEX piping systems

echnical information

7.5 Pressure drop nomogram

Uponor Aqua Pipe

25x3.5

DI0000055

0.01

0.1

100

kPa/m

0.5

0.05

105 100500.1 10.05 0.50.01 l/s

1.0

1.25

1.75

2.0

2.5

3.0

4.0

5.0

6.0

7.0

10.0

1.5

m/s

0.20

0.25

0.3

0.4

0.5

0.6

0.15

110x15.1

90x12.3

75x10.3

63x8.7

50x6.9

40x5.5

32x4.4

15x2.5

18x2.51

22x3.0

28x4.0

20x2.8

16x2.2

The nomogram is calculated at a water temperature of +70 °C.

Item Description

A Recommended max. water speed with continuous flow versus high pressure drops and sound levels

Temp. °C 90 80 70 60 50 40 30 20 10

Factor 0.95 0.98 1.00 1.02 1.05 1.10 1.14 1.20 1.25

Roughness factor 0.0005

Uponor PEX piping systems

echnical information

Uponor Radi Pipe, Uponor Comfort Pipe PLUS

DI0000056

0.01

0.1

100

kPa/m

0.5

0.05

105

100

500.1 10.05 0.50.01

l/s

1.0

1.25

1.75

2.0

2.5

3.0

4.0

5.0

6.0

7.0

10.0

1.5

m/s

0.20

0.25

0.3

0.4

0.5

0.6

0.15

17x2.0

20x2.0

110x10.0

90x8.2

75x6.9

63x5.8

50x4.6

40x3.7

32x2.9

15x2.5

18x2.5

22x3.0

25x2.3 28x4.0

12x2.0

125x11.4

The nomogram is calculated at a water temperature of +70 °C.

Item Description

A Guideline for sizing (0.1 kPa)

B Min. water speed

C Recommended max. water speed with continuous flow versus high pressure drops and sound levels

Temp. °C 90 80 70 60 50 40 30 20 10

Factor 0.95 0.98 1.00 1.02 1.05 1.10 1.14 1.20 1.25

Roughness factor 0.0005

Uponor PEX piping systems

echnical information

Uponor Meltaway PEX Pipe

DI0000057

0.01

0.1

kPa/m

0.2

0.03

1.00.50.05 0.20.02 0.10.01 l/s

1.0

1.25

1.75

2.0

2.5

3.0

1.5

m/s

0.2

0.15

0.3

0.4

0.5

0.6

0.1

20x1.9

0.25

25x2.3

32x3.0

0.02

0.04

0.05

0.06

0.07

0.3

0.4

0.5

0.6

0.7

The nomogram is calculated at a water temperature of +70 °C.

Item Description

A Minimum water speed to achieve self-ventilating function.

Uponor PEX piping systems

echnical information

Manifold and distributing pipes for Uponor Surface Heating System

DI0000057

0.01

0.1

kPa/m

0.2

0.03

1.00.50.05 0.20.02 0.10.01 l/s

1.0

1.25

1.75

2.0

2.5

3.0

1.5

m/s

0.2

0.15

0.3

0.4

0.5

0.6

0.1

20x1.9

0.25

25x2.3

32x3.0

0.02

0.04

0.05

0.06

0.07

0.3

0.4

0.5

0.6

0.7

The nomogram is calculated at a water temperature of +70 °C.

Uponor PEX piping systems

echnical information

Uponor Corporation

Äyritie 20

01510 Vantaa, Finland

1118689 v1_10_2020_EN

Production: Uponor/ELO

Uponor reserves the right to make changes, without prior notification,

to the specification of incorporated components in line with its policy of

continuous improvement and development.