Durapipe ABS Valves

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WRAS Approved Product - sold by PipestockKey Features / Tech Specs:

  • Manufactured by Durapipe
  • Material: acrylonitrile butadiene styrene
  • Temperature range - 40°C to +70°C, dependent on pressure
  • WRAS approved (approval number 1110537)

Technical Info: 

The following chart gives a rough guide as to the temperature/pressure relationship of ABS.

  -40°C 20°C 30°C 40°C 50°C 60°C 70°C
Class C 9.0 bar 9.0 bar 7.8 bar 6.5 bar 5.5 bar 4.2 bar 2.8 bar
Class D 12.0 bar 12.0 bar 10.5 bar 8.9 bar 7.2 bar 5.5 bar 3.6 bar
Class E 15.0 bar 15.0 bar 13.0 bar 11.0 bar 9.0 bar 7.0 bar 4.8 bar


Useful Info:

ABS is the acronym for acrylonitrile butadiene styrene, which is the plastic copolymer specially formulated for the manufacture of ABS pipe, fittings and valves.

It is a fundamental principle in plastic pipe systems that if the temperature is increased then the pressure rating must be reduced. Pressure ratings for plastic pipework systems are always quoted at 20°C. ABS pipework systems should never be used for temperatures in excess of 70°C.


If you require any further information then don’t hesitate to ring us here at Pipestock on 0845 634 1053. We’re always happy to help!

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