BACKPRESSURE REGULATOR RELIEF VALVE 1"

Fisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth throttling action minimizes pressure surges in the system during relief operation. 289 Series relief valves are ideal for low-pressure settings due to the increased sensitivity provided by a large diaphragm area. 289 Series relief valves are designed for pressure control; they are not ASME safety relief valves.

Features:

• Throttling Type Relief
• High Flow Rates
• Small Size
• Reliability Due to Simplicity
• Compact Design

Specifications:

• 1" FNPT Inlet/Outlet
• Maximum Allowable Relief (Inlet) Pressure: 100 psig
• Relief Set Pressure Range: 4-15 psig; Setpoint: 15 psig
• Internal Pressure Registration
• Approximate Weight: 4 lbs