Section Code 2210 : Pressure relief.
Back To Directory SectionsRange of pre-set pressure relief valves incorporating DZR brass bodies and an EPDM diaphragm, (for pre-set pressures see model). The valve is fitted with hand operated rotating easing gear. Maximum working pressure is the same as the pre-set pressure (see model). Maximum operating temperature 85°C.
Range of pre-set pressure relief valves with gunmetal bodies, silicon diaphragms, and PTFE seat washers. Pre-set relief pressures: 0.3 bar to 10.5 bar. Maximum operating temperature 95°C.
Range of factory pre-set, pressure relief valves with gunmetal bodies, incorporating viton ‘O’-rings, seat seals and chrome vanadium steel springs. Maximum working pressure varies by model and spring: Fig 500L: White spring: 0.4 bar to 0.6 bar. Red spring: 1.0 bar to 1.3 bar for DN15 to DN25, 0.7 bar to 1.3 bar for DN32 to DN50 Yellow spring: 1.4 bar to 2.6 bar. Green spring: 2.7 bar to 4.0 bar. Fig 542L: White spring: 0.3 bar to 0.4 bar. Red spring: 1.0 bar for DN15 to DN25 and 0.5 bar to 1.0 bar for DN32 to DN50. Yellow spring: 1.1 bar to 2.1 bar. Green spring: 2.2 bar to 3.2 bar. Maximum operating temperature 95˚C.
Pressure relief valve (pre-set at 3.0 bar) with a brass body. The valve incorporates a manually operated easing gear. Maximum operating temperature 110°C.
Range of pressure relief valves with gunmetal bodies, silicon rubber diaphragm, chrome vanadium steel spring and a lever operated easing gear. Pre-set relief pressures: DN15-25 - 1.0 bar to 12.5 bar. DN32-65 - 0.4 bar to 12.5 bar. Maximum operating temperature 95˚C
Range of pre-set (at 3.0 bar) pressure relief valves incorporating DZR brass bodies and an EPDM diaphragm. The valve is fitted with hand operated rotating easing gear. Maximum operating temperature 85°C.
Range of pressure relief valves incorporating brass bodies and EPDM rubber washers. The valves incorporate a manually operated rotational easing gear. For maximum working pressure please refer to model. Maximum operating temperature 99°C.
Pre-set pressure relief valve (set @ 3.0 bar) incorporating a brass body, NBR ‘O’-ring and an EPDM diaphragm. The valve is fitted with a hand operated rotating easing gear. Maximum operating temperature 90°C.
Pre-set pressure relief valve incoporating DZR brass body and manual easing gear. Pre-set 3.0 bar. Maximum operating temperature 85°C.
Range of pressure relief valves incorporating brass bodies and EPDM rubber washers. The valves incorporate a manually operated rotational easing gear. For maximum working pressure please refer to model. Maximum operating temperature 99°C.
Range of pressure relief valves pre-set @ 6.0 bar, incorporating DZR brass bodies, EPDM seal cup and EPDM ‘O’-ring. Maximum operating temperature 99˚C
Range of pre-set, spring loaded, angled pressure relief valves with plastic body and EPDM diaphragm. The valves are fitted with rotary type easing gear . For maximum working pressure please refer to model. Maximum operating temperature 99°C.
Range of pre-set pressure relief valves with bronze bodies and EPDM seating discs. Available with either a manual lever or dome type sealed cap. Pre-set relief pressures: DN15 and DN40 valves: 0.35 bar to 15.9 bar. DN20 valves: 0.35bar to 13.8bar. DN25, DN32 and DN50 valves: 0.35 bar to 12.5 bar. Maximum operating temperature 85°C.
Range of pre-set, spring loaded, angled pressure relief valves, with a plastic body and EPDM diaphragm. The B312021 CST model only is pre-set at 4.0 bar, all other models are pre-set at 3.0 bar. The valves are fitted with either rotary type easing gear or hand operated lifting gear. Maximum operating temperature 99°C.
Range of bronze bodied pre-set pressure relief valves (available between 0.2-16 bar on each model) incorporating a manually operated easing gear with brass seat and PTFE or EPDM washers.
Non-metallic materials and components comply with BS6920 at 85°C
Range of bronze bodied pre-set pressure relief valves (available between 0.2-16 bar on each model) incorporating a manually operated easing gear with brass seat and PTFE or EPDM washers. Maximum operating temperature 85°C.
Pressure relief valve pre-set at 6.0 bar, with a brass body and EPDM seat washer. Maximum operating temperature 115°C.
Range of pressure relief valves pre-set at 3.0 bar with brass bodies and a EPDM membrane. Valve incorporates a manually operated easing gear. Maximum operating temperature 85°C.
Range of pre-set angled pressure relief valves for use on primary closed circuits, incorporating DZR brass bodies, EPDM diaphram and EPDM or NBR ‘O’-ring. For maximum working pressure please refer to model. Maximum operating temperature 99°C.
Pre-set pressure relief valve set at 7.0 bar, with glass reinforced plastic body and EPDM diaphragm. Maximum working pressure 7.0 Bar. Maximum operating temperature 85°C.
Pressure relief valve with a plastic body and EPDM diaphragm with manual easing gear. Pre-set at 3.0 bar. Maximum operating temperature 90°C.
Pressure relief valve with a brass body and EPDM diaphragm, pre-set at 3.0 bar. Maximum operating temperature 90°C.
Pre-set pressure relief valve (set at 10.0 bar) with a DZR brass body and EPDM diaphragm. The valve incorporates a manually operated easing gear. Maximum operating temperature 85˚C.
Range of core manifolds (DZR brass body) incorporating a pressure relief valve (plastic body), with an EPDM diaphragm and ‘O’-rings. For use with copper pipe (manufactured to BS EN 1057). The pressure relief valve is pre-set at 6.0 or 8.0 bar (see models). The product incorporates a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). Maximum operating pressure 16.0bar. Cold water use only.
Range of pre-set pressure relief valves (set at 3.0 bar) with plastic bodies and EPDM diaphragm. Maximum working pressure 3.0 bar.
Non-metallic materials and components comply with BS6920 at 85°C
‘Jet 806’ range of pre-set pressure relief valves incorporating gunmetal bodies, PTFE seat and lever operated easing gear. Each valve is available with a pre-set rating of between 1.0 bar and 12.5 bar, in increments of 0.1 bar. Maximum operating temperature 95˚C.
‘Jet 806’ range of pre-set pressure relief valves incorporating gunmetal bodies, PTFE seat and lever operated easing gear. Each valve is available with a pre-set rating of between 1.0 bar and 12.5 bar, in increments of 0.1 bar. Maximum operating temperature 95˚C.
Range of factory pre-set, pressure relief valves with gunmetal bodies, incorporating fluoro-elastomer & FKM ‘O’-rings, PTFE seat seals and chrome vanadium steel springs. Maximum working pressure varies by model and spring. Fig 500L (Brown spring) - 4.1 bar – 6.1 bar. (Blue spring) - 6.2 bar – 8.2 bar. (Purple spring) - 8.3 bar – 10.2 bar. (Black spring) - 10.3 bar – 12.5 bar. Fig 542L (Brown spring) - 3.3 bar – 4.9 bar. (Blue spring) - 5.0 bar – 6.5 bar. (Purple spring) - 6.6 bar – 8.2 bar. (Black spring) - 8.3 bar – 10.5 bar. Maximum operating temperature 95˚C
Range of pressure relief valves with brass bodies and EPDM diaphragms. Pre-set pressures between 1.5 and 10.0 bar. Maximum operating temperature 85°C.
Pressure relief valves with a DZR brass body, EPDM diaphragm and manually operated easing gear, preset at 3 bar. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.
Range of pre-set pressure relief valves (set at 3.0 bar) with nylon bodies, EPDM diaphragms and ‘O’-rings.
Non-metallic materials and components comply with BS6920 at 85°C
Range of pre-set pressure relief valves (spring loaded) with DZR brass body. Model SRV0353SW0475 is set at 4.75 bar, SRV0350SW060 is set at 6.0 bar and SRV03540505003 is set at 3.0 bar. Maximum operating temperature 85°C.
Range of pressure relief valves with gunmetal bodies, EPDM diaphragms and lever operated easing gear. The relief setting is between 0.5 - 16.0 bar depending on the model. Maximum operating temperature 99°C
Pressure relief valves with a brass body incorporating EPDM ‘O’ rings for 35890040 and EPDM diaphragm for 35900040, pre-set at 3.0 bar. Model 35890040 incorporates a manually operated lever type lifting gear Maximum working pressure 10 bar. Maximum operating temperature 90°C.
Range of pre-set pressure relief valves (spring loaded) with DZR brass body. Model 03521547 is set at 4.75 bar, 03521590 is set at 6.0 bar and 03541545 is set at 3.0 bar. Maximum operating temperature 85°C.
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