FISHER 289H-42 relief Valves or Backpressure Regulators

FISHER 289H - 42 is a pressure relief valve or back pressure regulator in the 289 series, the following is its relevant introduction:

Connection size: 1 inch NPT female threaded connection with DN25mm caliber, this connection is easy to install and can be well connected with a variety of piping systems.

Pressure parameters

Maximum Allowable Pressure Relief (Inlet) Pressure: Normally FISHER 289 series is 100psig/6.9bar, but 289H model is special, its maximum pressure relief (inlet) pressure is 25psig/1.7bar.

Pressure Relief Setting Pressure Range: 4 - 15PSI (0.28 - 1.03bar), adjustable by spring setting to meet actual system pressure protection needs.

Other features: Simple setting of discharge pressure and tight closing of return seat. Discharge flow rate up to 3200Nm³/h, can meet the pressure relief needs of large flow rate, and effectively protect the system safety. It can be installed in any position, suitable for industrial and civil users, and can be used for natural gas, artificial gas, liquefied petroleum gas, air and other gases. Simple structure and reliable performance.