BP-66 Series
Back Pressure Control Regulators

GO Regulator BP-66 Series Back Pressure Regulators
The BP-66 Series, counterpart to the PR-56 Series pressure reducing regulator, is designed for systems that are higher in pressure and have low to moderate flows. This regulator has a piston sensor assembly for maximum ease of adjustment to provide relief at high pressures. A carefully engineered piston sensor assembly affords excellent sensitivity and a wide selection of control ranges make this regulator an excellent selection in many research and pilot plant facilities.
  • Gas or liquid service
  • 316L stainless steel  construction
  • Electropolished body (316L) with better than 25 Ra finish in diaphragm cavity
  • Bubble tight shutoff
  • Adjustable control ranges are 2000, 4000, 6000, 7500 and 10,000
  • Proof pressure is 2 times maximum working pressure
  • Burst pressure is 4 times maximum working pressure
  • Weight: 4.4 lbs (2.0 kg)
  • Mounting style is in line or panel (see Outline and mounting dimensions)

Maximum Temperature & Control Pressures

Seat Material Maximum Temperature*   Maximum Control Range
Polyimide 350° F (176° C) @ 10,000 psig (68.8 MPa)
PEEK 350° F (176° C) @ 10,000 psig (68.8 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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