Fisher™ Type MR108 Backpressure Regulators


Pressure RegistrationExternal
Temperature CapabilitiesNitrile (NBR):?-20 to 180°F / -29 to 82°C | Fluorocarbon (FKM): 20 to 250°F / -7 to 121°C; limited to 200°F / 93°C in hot water | Ethylene Propylene (EPDM): -20 to 225°F / -29 to 107°C
Body SizesNPS 1 / 2 / 3 / 4 | DN 25 / 50 / 80 / 100
End ConnectionsNPT / CL125FF / CL150RF / CL250RF / CL300RF / CL600RF / PN 16/25/40
Maximum Inlet Pressure400 psig / 27.6 bar | Or body rating limit, whichever is lower
Maximum Outlet Pressure400 psig / 27.6 bar | Or body rating limit, whichever is lower
Spring Ranges5 to 300 psig / 0.4 to 20.7 bar
Additional Technical DataFor additional technical information,?contact?your local?Sales Office?or refer to technical documentation.