BPR21
Pressure Regulators

BPR21 Series Back Pressure Regulators

Pressure Regulators

Back Pressure • Dome Loaded • Manual Adjusted

Circle Seal Controls offers a comprehensive line of manual adjusted and dome-loaded pressure regulators, and back pressure regulators. Body materials include brass, 316 stainless steel,  and polyvinyl chloride, depending on the model. Typical seat materials include Neoprene, Tefzel®, TFE, PTFE, Polyimide, and PEEK™.

BPR21 Series Back Pressure Regulators Features

  • Extremely Reliable
  • High Flow Capacity
  • Remote Control Capability
  • Large Diaphragm Provides Accuracy & Sensitivity
  • Compatible with Most Liquids & Gases
Technical Data

Body Material

  • Brass or 316 Stainless Steel

Connections

  • 1/4", 3/8"
  • 18 NPT,
  • AND10050-4 or AND10050-6

Seat Material

  • Hasteloy
  • CRES
  • PCTFE
  • Kynar
  • Nylatron
  • Polyimide
  • Stainless Steel
  • Vespel SP-21

Seal & Diaphragm Material

  • Neoprene (std.)
  • Viton®
  • Buna N
  • PTFE-coated Neoprene with PTFE O-ring

Max. Controlled Pressure

  • 6,000 PSIG

Flow Capacity

  • Cv Max. = 0.90
  • ESEOD = 0.23

Options

  • Charging Valve
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