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Fisher™ Type SR8 Sanitary Backpressure Regulator
Type SR8 backpressure regulator is a compact, large capacity, direct-operated backpressure regulator.
It is designed for use in applications where a sanitary design is essential, such as pharmaceutical, biotech, or food and beverage industries. The unit is available in NPS 1/2 through 3 / DN 15 through 80 sizes with end connections that will match up to Tri-Clamp sanitary fittings. Type SR8 is suitable for use in steam, liquid or gas service.

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Fisher™ Type SR8 Sanitary Backpressure Regulator


Pressure Registration
Temperature Capabilities
-20° to 400°F / -28° to 204°C Depending on seat and diaphragm material
Body Sizes
NPS 0.5 / 0.75 / 1 / 1.5 / 1.5x1 / 2 / 3
End Connections
Sanitary Tri-Clamp
Maximum Inlet Pressure
210 PSIG / 14.5 bar
Maximum Outlet Pressure
210 PSIG / 14.5 bar
Spring Ranges
2 to 125 PSIG / 0.14 to 8.6 bar
Additional Technical Data
For additional technical information,?contact your local Sales Office or refer to technical documentation.


  • Sanitary Design Standards?
  • Superior Flow Performance and Accuracy
  • Tight Shutoff
  • Self-Draining
  • Remote Setpoint Capability
  • Clean in Place or Steam in Place
  • Nonporous Polished Body and Internals
  • Optional T-Handle Available