BP-8 Series
Back Pressure Control Regulators

GO Regulator BP-8 Series Back Pressure Regulators

The BP-8 Series is designed to control back pressure at low to moderate pressure ranges with relatively high flow. While designed primarily for instrumentation systems and patterned after the PR-7 Series, the BP-8 Series is also suitable for pilot plant, research and development activities. The soft seat design of this unit provides positive shutoff in all applications.

  • Gas or liquid service
  • 316L stainless steel construction
  • Electropolished body with better than 25 Ra finish in diaphragm cavity
  • Bubble tight shutoff
  • Adjustable control ranges are 10, 25, 50, 100 and 250 psig
  • Proof pressure is 2 times maximum working pressure
  • Burst pressure is 4 times maximum working pressure
  • Weight: 3.2 lbs (1.45 kg)
  • Mounting style is surface or panel (see Outline and mounting dimensions)

Maximum Temperature & Control Pressures

Seat Material Maximum Temperature*   Maximum Control Range
Viton® 250° F (121° C) @ 250 psig (1.72 MPa)
Glass Filled PDFE 250° F (121° C) @ 500 psig (3.44 MPa)

* Temperatures in excess of 175° F (80° C) require the use of a metal knob or the Tamper Proof option



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