Fisher™ Types 1808 and 1808A Relief Valve or Backpressure Regulators

Fisher

Fisher™ Types 1808 and 1808A Relief Valve or Backpressure Regulators

Fisher

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.

Specifications

Body Size and End Connection Style
2 NPT
Maximum Relief (Inlet) Pressure
150 psig / 10,3 bar, including buildup
Relief Set Pressure Range
3 to 125 psig / 0,21 to 8,6 bar in three ranges
Temperature Capabilities
-20° to 180°F / -29° to 82°C
Approximate Weights
Type 1808: 22 Pounds / 10 kg
Type 1808A: 25 Pounds / 11 kg

Features

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

Documents & Drawings