Range of wafer non-return valves with blue epoxy coated ductile iron bodies, stainless steel discs and EPDM seals. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.
Range of pre-set, spring loaded, angled pressure relief valves (set at various pressure, see models), with plastic bodies. The valves are fitted with either rotary type easing gear or hand operated lifting gear. Maximum working pressure 10.0 bar. Maximum operating temperature 99°C.
Range of latching solenoid valves with DZR brass bodies, EPDM diaphragms and ‘O’-rings. Maximum working pressure 10.0 bar. Maximum operating temperature 70°C
Latching solenoid valve with a black plastic body and an EPDM diaphragm. Maximum working pressure 10.0 Bar Maximum operating temperature 85.0°C
Range of spherical isolation valves incorporating brass bodies (nickel plated), brass ball (chrome plated), brass stem and EPDM ‘O’-rings (screwdriver operated or T-type handle). For use with copper pipe (EN1057). Maximum working pressure 16.0 bar (model HC-60982-15) Maximum working pressure 25.0 bar (model HC-62022-15) Maximum operating temperature 85°C.
Range of spherical valves incorporating bronze bodies, chromium plated brass ball, PTFE seat and lever operating members. Maximum working pressure 25.0 bar. Maximum operating temperature 85°C.
Range of gate valves with ductile iron bodies (blue epoxy coated), EPDM coated wedge and EPDM O - rings. Maximum working pressure – 10.0 bar (DN900 and DN1000 only) and 16.0 bar (DN350 – DN800). Maximum operating temperature - 85°C
Range of screw down stop valves incorporating brass bodies. The valves are to be used with copper pipe (manufactured to EN1057). Maximum working pressure 16 Bar. Maximum operating temperature 85°C.
Range of screw down stop valves with brass or DZR brass bodies. Valves incorporate EPDM seat washers and PTFE seals. Maximum working pressure: 16 bar. Maximum operating temperature: 95°C
Electrolytic scale inhibitors incorporating nickel plated copper bodies. For use with copper pipe manufactured to BS EN 1057. Maximum working pressure 10.0 bar. Cold water use only.
'MC90'. Natural (appears white), injection moulded POM material. For use with water up to 85°C.
‘Nelfapox FW Inert Cream'. Factory applied, cream coloured, two-component epoxy coating. Mix base and curing agent in a 6.8:2 volume ratio. Apply one or two coats as per manufacturer's Technical Data Sheet '999', revision date '24-03-2026'. Cure Coat 1 for 16 hours@20°C. Cure Coat 2 for 7 days@20°C. For use with water up to 60°C. These materials are only approved for the mixing and curing conditions that appear on the approval. If the mixing and/or curing conditions are varied from those specified on the approval then the materials are not covered by the scope of the approval.
'NextGen NP-F9500 PW'. Factory applied, blue coloured powder coating. Apply as per National Paints technical data sheet 'FBE/ REV01 09-07-2019'. Cure for 3 minutes@240°C. For use with water up to 85°C. This material is only approved for the curing conditions that appear on the approval. If the cure conditions are varied from those specified on the approval then the material is not covered by the scope of the approval.
'ShaliPoxy 400 FG'. Factory applied, white coloured, two-component epoxy coating. Mix components A & B in a volume ratio of 3:1 and apply as per manufacturer’s TDS ‘0982019’. Cure for 7 days@27°C. For use with water up to 23°C. This material is only approved for the mixing and curing conditions that appear on the approval. If the mix and/or cure conditions are varied from those specified on the approval then the material is not covered by the scope of the approval.
'Lewatit S 8227 & S 8229'. 'Lewatit® S 8229 Plus X' was added to the approval in March 2026. White coloured ion exchange resins. For use with water up to 23°C.
'Revolve M-638, M-694 & M-695'. Black coloured Polyethylene materials manufactured using rotational moulding. For use with water up to 85°C.
‘E4028WCC, E4510WCC, E5076WCC, E5522WCC, E6020WCC, E6020, E6541WCC, E7091WCC, E7091, E7528WCC, E8027WCC, E8506WCC & E9011WCC ‘O’ rings’. Black coloured, compression moulded EPDM ‘O’ rings. Shore hardness between 40 & 90. Tested in-radius size between 0.5mm & 3.5mm. ‘E4028WCC Gaskets’. Black coloured, compression moulded EPDM gaskets. Shore hardness 40. Tested in-radius size 0.8mm. For use with water up to 85°C.
'FOWRY-190920'. Black coloured, compression moulded EPDM rubber. Shore hardness 75. Tested in-radius size 3.0mm. For use with water up to 85°C.
'E7015'. Black coloured, compression moulded EPDM material. Shore hardness 70. Tested in-radius size 1.19mm. For use with water up to 23°C.
'SQ-30T-W, SQ-40T-W, SQ-50T-W, SQ-60T-W, SQ-70T-W, SQ-80T-W, & SQ-90T-W (transparent, unpigmented)'. ‘SQ-30R-W, SQ-40R-W, SQ-50R-W, SQ-60R-W, SQ-70R-W, SQ-80R-W, & SQ-90R-W (red coloured)'. ‘SQ-30B-W, SQ-40B-W, SQ-50B-W, SQ-60B-W, SQ-70B-W, SQ-80B-W, & SQ-90B (blue coloured)'. Range of compression moulded, silicone rubber materials. Shore hardness between 30 & 90. Tested in-radius size 0.9mm. For use with water up to 85°C:
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