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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.

Features & Specifications
  • Only 316L stainless steel and Teflon® in flow stream
  • Bubble tight shutoff
  • Gas or liquid service
Unit of Measure

Specifications

Series

N/A BP-3

Body Material

N/A 316L Stainless Steel

Operating Temperature

N/A -40 to 93 ºC-40 to 200 ºF

Seat Material

N/A CF Teflon®

Control Range

N/A 0 to 6 psig

Max. Operating Pressure

N/A 500 psig

Flow Coefficient (Cv)

N/A 0.20

Process Port Type

N/A 1/4" FNPT

Port Configuration

N/A Standard (body "A")

Actuator Material

N/A CF Teflon®

Diaphragm Type

N/A Standard diaphragm

Diaphragm Facing Material

N/A Teflon®

Diaphragm Backing Material

N/A Stainless Steel

Cap Assembly

N/A Standard

Cavity Finish

N/A < 25 Ra, Standard

Weight

N/A 1.9 lbs

Options

N/A

  • Wetted materials of construction brass, Monel®, Hastelloy® C-276, titanium
  • Extra ports
  • Panel mount (required 1 3/8" mounting hole)
  • High purity connections
  • Pressure gauges

Applications

N/A Typical Applications

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



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