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PPR Single clamp

Fit hot-water runs with clamps closer together

PP-R pipe softens and expands more as the water temperature rises. Hot-water and heating runs therefore need clamps closer together than cold runs of the same diameter. Plan clamp positions for the pipe size and the operating temperature of each line.

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Description and application

The PPR Single clamp is a PPR pipe clamp made of PP-R that fixes one Ø20, Ø25, Ø32 or Ø40 PP-R pipe to a wall or ceiling and keeps the run straight and supported. It stops hot and cold water lines from sagging or bending over time, and it comes in white, grey or green.

The PPR Single clamp from the Eternal line is a PPR pipe clamp that holds one PP-R pipe in place against a wall, ceiling or other fixed surface. It is part of the THERMALINO PPR Pipeline Systems range and is available for pipe diameters Ø20, Ø25, Ø32 and Ø40. This polypropylene pipe clamp is made of prime-grade polypropylene random copolymer (PP-R, type 3), the same material family as the pipes it supports. It comes in white, grey and green, so the clamps can be matched to the colour of the pipe system on site. Clamps are an essential part of any PP-R installation. Because PP-R pipe is lighter and more flexible than metal pipe, an unsupported run can sag or bend between fixing points over time. This is especially true on hot-water and heating lines, where the material softens and expands. Fitting clamps at suitable intervals keeps the pipework straight, takes load off the welded joints and keeps exposed runs neat. The clamp is screwed to the wall or ceiling with fixings suited to the surface, and then the pipe is fitted into it. Mark out the pipe route first so that the run stays straight. Clamp spacing depends on the pipe diameter, the water temperature and whether the run is horizontal or vertical. Hot lines need the clamps closer together than cold lines.

Where it is used
  • Hot and cold drinking water pipework in homes and apartment buildings
  • Central heating and radiator pipework in PP-R
  • Hotels, hospitals, schools and office buildings
  • Plant rooms, boiler rooms and riser shafts
  • Overhead PP-R runs in ceiling voids and basements
  • Cooling water and industrial PP-R pipework, within the rating of the pipe for the medium and temperature
  • Irrigation and agricultural water lines in PP-R pipe

Technical summary

SKU
THL-E-PPR-0018
Origin
Made in Türkiye
HS code
3917.40
Size range
Ø20 – Ø40
Material
PP-R

Questions

Can PPR pipe be installed as overhead pipework in a ceiling void or plant room if it is held up with PPR pipe clamps?
PP-R pipe can be run overhead, provided it is held with PPR pipe clamps fixed to the ceiling or soffit at close enough intervals to stop it sagging. The PPR Single clamp holds one Ø20, Ø25, Ø32 or Ø40 pipe. Overhead hot-water and heating runs need the clamps closer together than cold runs, because PP-R softens and expands as it gets warmer. Plan the spacing for each pipe diameter and operating temperature.
How should a plumber strap PPR hot and cold water pipes to a wall with single pipe clamps so the runs stay straight?
PPR pipes are strapped to a wall by screwing a single pipe clamp to the surface at each support point and then fitting the pipe into the clamps. First mark the pipe route on the wall so the run stays straight. Use fixings suited to the wall material, and add extra clamps close to valves, bends and other heavy components. The PPR Single clamp is made of PP-R and is available for Ø20, Ø25, Ø32 and Ø40 pipes.
Why do PPR hot water and heating pipes need more pipe clamps than cold water lines of the same diameter?
PPR hot water and heating pipes need more clamps because PP-R becomes more flexible and expands more as its temperature rises. If a hot line is clamped at cold-line spacing, it can droop between the supports. This puts stress on the welded joints and leaves low points in the run. Fitting PPR pipe clamps closer together on hot lines keeps the pipework straight throughout its service life.
How do I choose the right PPR pipe clamp size for a domestic water installation using Ø20 to Ø40 PP-R pipe?
A PPR pipe clamp is chosen to match the outside diameter of the pipe it holds, so a Ø25 pipe takes a Ø25 clamp. The PPR Single clamp is available in Ø20, Ø25, Ø32 and Ø40. Each clamp holds one pipe. It comes in white, grey and green so that it can match the pipe system being installed.

Range

4 sizes · 3 colours

SizeIn a boxWhiteGreyGreenVariant codes
Ø20✓ White✓ Grey✓ Green1600 pcs✓✓✓
Ø25✓ White✓ Grey✓ Green1500 pcs✓✓✓
Ø32✓ White✓ Grey✓ Green800 pcs✓✓✓
Ø40✓ White✓ Grey✓ Green400 pcs✓✓✓

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This product is listed under PPR Fittings.

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