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Assembly instructions for LK PE-X, PAL and PE-RT pipes
General
These assembly instructions relate to installations
implemented using LK PE-X, LK PAL and LK Heat
pipes in the PE-X and PE-RT execution.
• The designation "LK Universal PE-X pipe"
refers to pipes of homogeneous PE-Xa.
• The designation "LK Heat pipe" is avail-
able in two variants, homogeneous PE-Xa or
homogeneous PE-RT.
• The designation "LK Universal PAL pipe"
refers to composite pipes of PE-RT/Alumini-
um/PE-RT.
All types of pipes are diffusion-tight for use in
heating and cooling systems. Refer to the table
on page 2 for designation, pipe dimension, pipe
material, design, pressure class, temperature range
as well as manufacturing standard.
Storage and handling
LK pipes may not be stored or installed in a way
that they are exposed to direct sunlight (max. 3
months). This is also applicable to LK Pipe-in-
pipe. Packaging provides sufficient protection
against UV radiation. Once installation is com-
plete the pipes should not be exposed to direct
sunlight other than occasionally. Window panes
provide sufficient protection against UV ra-
diation and so do not affect the good long-term
properties of the pipe.
Pipe range
For the complete range of pipes, see each respec-
tive product range for Underfloor Heating and
Universal on our website
The LK PE-X Pipe-in-Pipe system, with compo-
nent parts as stated in installation solutions NT
VVS 129, is tested and approved in accordance
with NT VVS 129 and the Sintef Test method for
conduits. More information is available at:
lksystems.se
(support/dokumentation/lkuni-
versal)
www.lksystems.se
www.
LK Tappvattensystem är godkänt
enligt Nordtestmetoden NT VVS 129.
Assembly instructions | LK PE-X, PAL and PE-RT pipes
LK Heat pipe / LK Universal PE-X pipe
LK PE-X Universal pipe with conduit and extra insulated
conduit
LK PAL Universal pipes A, in straight lengths
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Table of Contents
Summary of Contents for LK Systems PE-X
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Page 1: Table Of Contents
Assembly instructions | LK PE-X, PAL and PE-RT pipes Assembly instructions for LK PE-X, PAL and PE-RT pipes General These assembly instructions relate to installations implemented using LK PE-X, LK PAL and LK Heat pipes in the PE-X and PE-RT execution. -
Page 2: Pipe Properties
Bending PE-X pipes directly after press fitting is not recommended. The distance between Cold bending with fixture the coupling and the PE-X pipe should be a 1 Hot bending with bending x the pipe’s diameter before the bending, at a support minimum. -
Page 3: Joining
Larger dimensions up to dim 75 can be bent using special bending tools; contact an LK representative. Example of jointing PE-X and PAL pipes using a LK PI Tube Adapter. LK Bending Spring INV, LK Bending Spring UTV, LK Bending Tool 16-32 and LK Bending Tool PAL Multi 16-32. -
Page 4: Assembly Of Lk Universal System
Pendulum lengths should not exceed 150 mm. LK Clip PE-X/ PAL is also used for fixing, but with the clip tightened to “fixed position” to pre- vent the pipe moving axially. Please see the pipe wholesalers’... -
Page 5: Pipelaying
Assembly instructions | LK PE-X, PAL and PE-RT pipes Pipelaying Vertical laying With vertical installation, fixing must be locat- • Always use the system products in the ed at T-junctions unless the shank length of the LK range and never mix different product branch pipe is sufficient according to the section makes. - Page 6 Assembly instructions | LK PE-X, PAL and PE-RT pipes Pipe routing in timber frames/stud work When installing Pipe-in-Pipe in timber frames, the conduit must always be fixed against wall studs or floor joists as follows: LK Fixing Plate, LK Plastic Clip for Sleeve Pipe, LK Metal •...
- Page 7 No expan- sion-absorbing devices are needed for concealed laying of “naked” LK PE-X and LK PAL pipes in Laying of Pipe-in-Pipe in a concrete slab with underfloor concrete as the pipes are secured in position in heating.
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Page 8: Replacement Of Pipes In Conduits
LK PE-X – LK PAL pipe and the mixer’s pipe. Replacement of Pipe-in-Pipe PE-X dim. connecting pipe must be fixed. This is preferably done 20 to 32 mm normally requires a maximum of using a wall washer fitted with thread connection. -
Page 9: Checks
Assembly instructions | LK PE-X, PAL and PE-RT pipes Checks use within seven days at the latest or completely emptied of water in order to reduce the risk of The following must be checked: bacterial growth. • laying of pipes and pipe connections Guidance •... -
Page 10: Excess Materials/Recycling
No pipes in the LK Universal System and the LK Floor Heating Systems are classified as hazard- ous waste, but rather these are handled as com- bustible waste. EN.29.C.41.191217 10 (10) LK Systems AB, Box 66, 161 26 Bromma, Sweden | www.lksystems.se/en...