Details:

Fisher™ Type 1805P Pilot-Operated 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.

Features

Fast reseat After OperationEconomicalAccurateHigh Flow CapacityLow Buildups to Reach Wide open

Specifications

Body Size and End Connection Style2 NPTMaximum Relief (Inlet) Pressure50 psig / 3,4 bar over relief pressure setting or 150 psig / 10,3 bar, whichever is lowerRelief Set Pressure Range10 to 100 psig / 0,69 to 6,9 bar in three ranges.Pressure RegistrationExternalTemperature CapabilitiesNitrile (NBR): -20° to 180°F / -29° to 82°C
Fluorocarbon (FKM): 0° to 300°F / -18° to 149°C
Approximate Weight13 Pounds / 6 kg