Section Code 2210 : Pressure relief.
Back To Directory SectionsRange 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.
Pressure relief valve (pre-set at 3.0 bar) with a plastic body. The valve incorporates a manually operated easing gear. Maximum operating temperature 90°C.
Range of pressure relief valves with plastic bodies and EPDM diaphragms and ‘O’-rings, Factory pre-set at 3.0 bar. Maximum operating temperature 110°C.
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