Section Code 2200 : Pressure reducing.
Back To Directory SectionsRange of unvented monobloc groups consisting of an in-line pressure reducing valve (PRV) (adjustable between 2.7 and 3.3 bar or 3.2 and 3.8 bar - see model) and a pre-set expansion relief valve (SRV) (pre-set at either 4.5, 4.75, 5.0, 6.0 or 8.0 bar - see model) housed in a DZR brass body with an EPDM rubber diaphragm. The product incorporates a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). The expansion relief valve is fitted with a rotary type easing gear. Maximum inlet supply pressure 10.0 bar. Maximum operating temperature 85°C.
In-line, manually adjustable pressure reducing valves with DZR brass bodies, EPDM gaskets and `O` rings. Models with GC suffix are supplied with a pressure gauge. Maximum inlet supply pressure 16.0 Bar. Maximum outlet pressures between 1.5 bar and 6.0 bar. Cold water use only.
Range of in-line adjustable pressure reducing valves with DZR brass bodies and an EPDM diaphragm. Maximum supply pressure 10.0 bar. Outlet pressure setting is adjustable in the range 1.0 to 6.0 bar. Maximum operating temperature 65°C.
Range of in-line adjustable pressure reducing valves with DZR brass bodies and EPDM O-rings. Maximum inlet pressure 16.0 bar. The maximum outlet pressure is factory pre-set but adjustable between 1.5 bar & 5.5 bar. Cold water use only.
Range of adjustable in-line pressure reducing valves with Nickel plated Brass bodies and EPDM diaphragm and seals. Art. 490, 491 & 500 models: maximum supply pressure 8.0 Bar and an outlet pressure range of 1.2 – 6.0 Bar. Art. 501 model: maximum supply pressure of 8.0 Bar and an outlet pressure range of 0.5 – 6.0 Bar. Art. 502 & 505 models: maximum supply pressure of 8.0 Bar and an outlet pressure range of 0.5 – 6.0 Bar for sizes ½” – 1” and 1.0 – 6.0 Bar for sizes 1 ¼” – 2”. Art. 504 model: maximum supply pressure of 8.0 Bar and an outlet pressure range of 0.5 – 6.0 Bar for sizes ½” – 1” and 1.0 – 6.0 Bar for sizes 1 ¼” – 2” and 1.5 – 7.0 Bar for sizes 2 ½” – 3”. Maximum operating temperature 100°C.
Range of adjustable, in-line pressure reducing valves with DZR brass or plated brass bodies, incorporating EPDM diaphragm, ‘O’ rings and a stainless-steel strainer. Models can be supplied with or without gauge port and some models supplied with gauge port and gauge. Maximum inlet supply pressure 16.0 bar. Maximum outlet pressure 1.0 to 5.5 bar (except 533230H & 533430H which has an adjustable pressure range of 0.8 to 4.0 bar) Maximum operating temperature 80°C
Range of pressure reducing valves (factory pre-set at 3.0 bar) but adjustable between 3.0-3.3 bar, with chromium plated DZR brass bodies incorporating an integral stainless-steel strainer. The products can be supplied with a gauge connection. Maximum inlet supply pressure 10.0 bar. Maximum operating temperature 85°C
Range of pre-set, in-line pressure reducing valves incorporating DZR brass or bronze bodies, EPDM diaphragm & ‘O’-rings and a stainless-steel strainer. The valves are supplied factory pre-set at 3.0 bar on existing models or with an adjustable range between 0.5-6.0 bar for models added in June 2020. Maximum inlet supply pressure 25.0 bar. Maximum operating temperature 80°C.
Range of in-line, manually adjustable pressure reducing valves (DZR brass or DZR brass plated bodies) and EPDM rubber seat washers & ‘O’-rings and a stainless steel filter. Minimum and maximum regulated outlet pressure 1.0 – 6.0 bar. Maximum working pressure 16.0 bar. Maximum operating temperature 40°C.
716 range of adjustable, in-line pressure reducing valves with DZR brass or chrome plated DZR brass bodies, incorporating EPDM diaphragm, ‘O’ rings and a stainless-steel strainer. Valves incorporate two pressure gauge ports (not supplied). Maximum inlet supply pressure 25.0 bar. Maximum outlet pressure 0.5 to 6.5 bar. Maximum operating temperature 85°C.
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