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.
Features:
- Tight Shutoff
- Easy Maintenance
- Simple Adjustment
- Complete Venting
- Sour Gas Service Capability
Specifications:
- 1" FNPT Inlet/Outlet
- Maximum Inlet Pressure: 100 psig
- Relief Set Pressure Range: 10 to 60 psig; Setpoint: 40 psig
- Temperature Capabilities: -20 to 150°F
- Approximate Weight: 5 lbs
