Fisher™ Type 630R Relief Valve

Type 1805P-6358 relief valve is an accurate, low-cost, pilot-operated relief valve consisting of a Type 1805P main valve and a Type 6358 pilot. It is available in the NPS 2 size and is capable of relief pressure settings of 10 to 100 psig / 0,69 to 6,9 bar in three ranges. The relief pressure setting can be adjusted by rotating the pilot spring adjustment screw.

Fisher Types 1808 globe-style and 1808A angle-style pilot-operated backpressure regulators or relief valves are economical, compact devices used in gas or liquid service to maintain pressure on oil and gas separators, and in pressure relief applications in gas distribution systems.