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Fisher-P-1805P 6835

Fisher™ Type 1805P Pilot-Operated Relief Valve

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Product Description

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 Operation
  • Economical
  • Accurate
  • High Flow Capacity
  • Low Buildups to Reach Wide open

Specifications

Body Size and End Connection Style
2 NPT
Maximum Relief (Inlet) Pressure
50 psig / 3,4 bar over relief pressure setting or 150 psig / 10,3 bar, whichever is lower
Relief Set Pressure Range
10 to 100 psig / 0,69 to 6,9 bar in three ranges.
Pressure Registration
External
Temperature Capabilities
Nitrile (NBR): -20° to 180°F / -29° to 82°C
Fluorocarbon (FKM): 0° to 300°F / -18° to 149°C
Approximate Weight
13 Pounds / 6 kg

Documents & Drawings