• BP3 Back Pressure Regulator, SS316L, 0-6 PSIG BP3-1A11K5B111

GO Regulator BP3-1A11K5B111 BP3 Back Pressure Regulator, SS316L, 0-6 PSIG

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Shipping Weight:
2.00 LBS

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The BP-3 Series is designed for either liquid or gas service in instrumentation systems. Similar in design to pressure reducing control regulators which regulate outlet pressures, back pressure regulators control the inlet pressure. The many features of this regulator, particularly its precise throttling action, make it ideal for this type of application. In low flow or closed systems, over-pressures often are released by pressure relief valves. This type of relief is on-off with no throttling control. In contrast to relief valves, the back pressure control regulator with its throttling action substantially improves system pressure regulation.

Typical Applications

  • Analytical instrumentation
  • Gas and liquid sampling
  • Petrochemical industry
  • Air compressors
  • Research labs
  • Pilot plants

Features and Benefits

  • Only 316L Stainless Steel and PTFE in flow stream
  • Bubble tight shutoff
  • Gas or liquid service


  • Wetted materials of construction Brass, Monel®, Hastelloy® C-276, Titanium
  • Panel mount (requires a 1 ⅜" mounting hole)
  • High purity connections
  • Pressure gauges

Product Specifications

Body Material316L Stainless Steel, Stainless Steel backing
Port ConfigurationA Standard
Process Port Type¼" FNPT (¼" FNPT gauge ports)
Cavity Finish< 25 Ra
Actuator MaterialKalrez
Flow Coefficient0.2
Control Range0-6 PSIG
Diaphragm TypeStandard diaphragm
Diaphragm Facing/Backing MaterialPTFE/Metal backing
Cap AssemblyStandard

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