• BP66 Back Pressure Regulator, SS316L, 0-4000 PSIG BP66-1A11QEN161

GO Regulator BP66-1A11QEN161 BP66 Back Pressure Regulator, SS316L, 0-4000 PSIG

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Shipping Weight:
5.00 LBS

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The BP-66 Series is the counterpart of the PR-57 pressure reducing series for systems that are higher in pressure and low to moderate flows. This regulator has piston sensing to provide relief at high pressures. The Polyimide/stainless seat assembly provides good shutoff in most applications. For economy purposes the cap assembly and knob are of aluminum construction as in the PR-57 companion unit. Good sensitivity and a selection of control ranges make this regulator an excellent selection in many research and pilot plant facilities.

Typical Applications

  • Pilot plants
  • Research labs

Features and Benefits

  • Spring-loaded piston sensor
  • Gas and liquid service
  • Viton® seals (other elastomers optional)


  • Panel mounting
  • Monel® and Titanium body construction
  • Cv of 0.01 or 0.12
  • AN 10050-4, SAE J514, MS 33649 or ⅜" FNPT connections

Product Specifications

Body Material316L Stainless Steel
Port ConfigurationA Standard
Process Port Type¼" FNPT (¼" FNPT gauge ports)
Cavity Finish< 25 Ra
Actuator MaterialPEEK
Flow Coefficient0.04
Control Range0-4000 PSIG
Piston TypeStandard
Piston MaterialStainless Steel with optional PTFE cavity O-ring
Cap AssemblyStandard, aluminum

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