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.
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