Fisher™ Type EZR Relief Valve or Backpressure Regulator


Body Sizes and End Connection StylesBody Sizes: NPS 1, 2, 3, 4, 6, 8 / DN 25, 50, 80, 100, 150, 200
End Connections: CL150 RF, CL300 RF, CL600 RF, NPT, CL125 FF, CL250 RF, SWE, and BWE
Minimum Relief Set Pressure20 psig / 1.4 bar
Maximum Relief (Inlet) Pressure1050 psig / 72.4 bar
Temperature Capabilities17E68 Nitrile (NBR): -20 to 150°F / -29 to 66°C
17E97 Nitrile (NBR): 0 to 150°F / -18 to 66°C
17E88 Fluorocarbon (FKM): 0 to 260°F / -18 to 127°C