Fisher™ Type 63EG Pressure Relief Valve or Back Pressure Regulator

Fisher series

Fisher Type 63EG pilot-operated pressure relief valves are available for liquid and gas applications. The 63EG is also suitable for throttling back pressure or bypass applications. The main valves of both constructions use quick-change valve core packages to facilitate quick maintenance. For remote monitoring, the Type 63EG valve can be mounted with a Series 4300 wireless position monitor to the travel indicator using the Position Monitor Bracket (PMB).

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Product details

Valve body size and end connections: Valve body size: NPS 1, 2, 3, 4, 6, 8 x 6, 12 x 6 / DN 25, 50, 80, 100, 150, 200 x 150, 300 x 150
End connections: NPT, CL150 RF, CL300 RF, CL600 RF, CL125FF, CL250RF, BWE, SWE or PN 16/24/40

Maximum relief (inlet) pressure: Type 63EG: 400 psig / 27.6 bar
Type 1098-63EGR: 82 psig / 5.7 bar

Relief setting pressure range: Type 63EG: nine ranges from 10 to 400 psig / 0.69 to 27.6 bar
Model 1098-63EGR: Three ranges from 3 to 65 psig / 0.21 to 4.5 bar

Temperature applicable range: Nitrile Butadiene Rubber (NBR): -20° to 180°F / -29° to 82°C
Viton (FKM): 0° to 300°F / -18° to 149°C
Ethylene-propylene rubber (EPDM): -20° to 275°F / -29° to 135°C

Fisher™ Type 63EG Pressure Relief Valve or Back Pressure Regulator

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