Fisher™ 1805 Series Backpressure Regulators and Relief Valves

Fisher

Fisher™ 1805 Series Backpressure Regulators and Relief Valves

Fisher

1805 Series relief valves are designed for use in farm tap applications where a relief valve is needed between the first-stage and second-stage regulators. 1805 Series relief valves are suitable for natural gas, air, propane, or any medium compatible with the internal valve parts. Relief pressures range from 5 to 125 psig / 0,34 to 8,6 bar. Maximum pressure, including buildup, is 150 psig / 10,3 bar.

Specifications

Body Size and End Connection Styles
3/4, 1, 1-1/2, or 2 NPT
Maximum Inlet Pressure
150 psig / 10,3 bar, including buildup
Relief Set Pressure Ranges
5 to 125 psig / 0,34 to 8,6 bar in six ranges
Temperature Capabilities
-20° to 150°F / -29° to 66°C
Approximate Weights
3/4 to 1 NPT: 5 Pounds / 2 kg
1-1/2 to 2 NPT: 13 Pounds / 6 kg

Features

  • Tight Shutoff
  • Easy Maintenance
  • Simple Adjustment
  • Complete Venting
  • Sour Gas Service Capability

Documents & Drawings