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Fisher™ Type 1805P Pilot-Operated Relief Valve

The 1805P‑6358 is a low‑cost pilot‑operated relief valve. It offers 10–100 psig settings adjustable via the pilot spring screw.

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.

Key Features

  • Simple, Reliable Design
  • Compact and Lightweight
  • Convenient Installation in any Position
  • Quick Disassembly
  • Optional Upstream Registration for Reduced Build-up
  • Self-Draining Body
  • Simple, Reliable Design
  • Compact and Lightweight
  • Convenient Installation in any Position
  • Quick Disassembly
  • Optional Upstream Registration for Reduced Build-up
  • Self-Draining Body