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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.
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BP-66 High Back Pressure Regulators

BP-66 0 to 10,000 Pounds per Square Inch Gauge (psig) Control Range and Polyimide Actuator Material High Back Pressure Regulator
BP-66 High Back Pressure Regulators

BP-66 0 to 6000 Pounds per Square Inch Gauge (psig) Control Range and Polyimide Actuator Material High Back Pressure Regulator
BP-66 High Back Pressure Regulators

BP-66 0 to 4000 Pounds per Square Inch Gauge (psig) Control Range and Polyetheretherketone™ (PEEK™) Actuator Material High Back Pressure Regulator
BP-66 High Back Pressure Regulators

BP-66 0 to 4000 Pounds per Square Inch Gauge (psig) Control Range and Polyetheretherketone™ (PEEK™) Actuator Material High Back Pressure Regulator
BP-66 High Back Pressure Regulators

BP-66 0 to 2000 Pounds per Square Inch Gauge (psig) Control Range and Polyetheretherketone™ (PEEK™) Actuator Material High Back Pressure Regulator
Description N/A 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.
Brands N/A GO Regulator, Inc.
Operating Temperature N/A -40 to +350 ºF-40 to +177 ºC
Inlet and Outlet Connections N/A 1/4 in. Female National Pipe Tapered (FNPT) (Standard) Aerospace Standard (AS) 10050-4, Society of Automotive Engineers (SAE) J514, Military Standard (MS) 33649, or 3/8" Female National Pipe Tapered (FNPT) (Optional)
Body Material N/A 316L Stainless Steel
Port Configuration N/A Standard
Process Port Size N/A 1/4 in
Process Port Types N/A Female National Pipe Tapered (FNPT)
Gauge Port Size N/A 1/4 in
Gauge Port Types N/A Female National Pipe Tapered (FNPT)
Cavity Finish N/A < 25 Ra N/A < 25 Ra N/A < 25 Ra N/A < 25 Ra N/A 25 Ra with 10-32 Mounting Holes
Actuator Material N/A Polyimide N/A Polyimide N/A Polyetheretherketone (PEEK™) N/A Polyetheretherketone (PEEK™) N/A Polyetheretherketone (PEEK™)
Flow Coefficient (Cv) N/A 0.12 N/A 0.04 N/A 0.04 N/A 0.01 N/A 0.04
Control Range N/A 0 to 10,000 psig N/A 0 to 6000 psig N/A 0 to 4000 psig N/A 0 to 4000 psig N/A 0 to 2000 psig
Piston Type N/A Standard
Piston Material N/A Stainless Steel with Standard Fluorocarbon (FKM) Cavity O-Ring N/A Stainless Steel with Standard Fluorocarbon (FKM) Cavity O-Ring N/A Stainless Steel with optional Polytetrafluoroethylene (PTFE) Cavity O-Ring N/A Stainless Steel with optional Polytetrafluoroethylene (PTFE) Cavity O-Ring N/A Stainless Steel with Standard Fluorocarbon (FKM) Cavity O-Ring
Cap Assembly N/A Panel Mount, Aluminum N/A Standard, Aluminum N/A Standard, Aluminum N/A Standard, Aluminum N/A Standard, Aluminum
Weight N/A 4.4 lb2.0 kg
Typical Applications N/A
  • Pilot plants
  • Research labs
Features and Benefits N/A
  • Spring-loaded piston sensor
  • Gas and liquid service
  • Fluorocarbon (FKM) seals (other elastomers optional)
Options N/A
  • Panel mounting
  • Monel® and titanium body construction
  • Cv of 0.01 or 0.12
  • AN 10050-4, SAE J514, MS 33649 or 3/8" FNPT connections
Note N/A The choices above represent an abbreviated list of the more commonly ordered options.

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