Range of spring loaded, resilient trim, in-line check valve cartridges, with plastic guides & plunger and EPDM or Silicone seals within a plastic housing. For insertion in pipes and fittings with specifically sized bores. Maximum working pressure 16.0 bar. Maximum operating temperature 60°C
Range of spring loaded, resilient trim, in-line check valve cartridges with plastic guide, stem and body with NBR or EPDM 'O'-rings. Maximum working pressure 16.0 bar. Maximum operating temperature 60°C for model NV15/DN15-EPDM 31.0002.0. All other models have a maximum operating temperature of 85°C.
Range of non-verifiable double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body, compression models are nickle plated. A drain port is provided between the cartridges. Compression models are to be used with copper pipe to EN1057. Maximum working pressure 16.0 Bar. Maximum operating temperature for the D220W range 85°C. Maximum operating temperature of the D200CW range 60°C.
Range of non-verifiable double check valve assemblies consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body, compression models are nickle plated. A drain port is provided between the cartridges. Compression models are to be used with copper pipe to EN1057. Maximum working pressure 16.0 Bar. Maximum operating temperature for the Hattersley Fig 250W range 85°C. Maximum operating temperature of the Hattersley Fig 250CW is 60°C
‘Parker 500’ assisted bathing unit. Flow is controlled via a thermostatic mixing valve, the inlet of which incorporates a stainless steel strainer and single check valve cartridge (suitable for backflow protection against Fluid Category 2) and feeds either a bath spout outlet or shower handset which incorporates a self-closing trigger. The inlet to the shower handset incorporates a plastic flow restrictor and a single check valve cartridge however, the complete product has not been fully tested to demonstrate it provides backflow protection. There is a combined spherical valve and strainer on the inlet to the bathing unit which incorporates a single check valve cartridge (suitable for backflow protection against Fluid Category 2). The ‘shepherds crook’ type shower outlet is protected via an AUK3 airgap arrangement. Maximum working pressure 6.0 bar. Maximum operating temperature 80°C
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