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Circle Seal 249B-4PP Series 200 Female Pipe Check Valve 1/2 in. Brass Buna-N O-Ring Crack Pressure 2-4 psig

SKU: 249B-4PP Rate this product


Availability: 11 In Stock

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  • Quick Opening/Positive Closing - Provides a wide range of adaptability
  • Large Flow Capacity - Patented sealing principle effects complete leakproof closing under all pressure conditions
  • Zero Leakage - Compact, easy installation. Efficient inline piston reduces size and weight


  • Series 200
  • Operating Pressure: 0 to 3000 psig
  • Body Material: Brass
  • O-Ring Material: Buna N
  • Connection Size: 1/2 in.
  • End Connections: Female NPT
  • Cracking Pressure: 2 to 4 psig
  • Operating Temperature: -65 to 250ºF
  • Flow Coefficient: 6.6

Circle Seal Series 200/H200 Female Pipe Check Valves are absolutely bubble tight in leakage tests. No Leakage whatsoever at any Differential Pressure.

Quick Opening - Positive Closing. Even at extremely low pressure differential. Opening pressures are as low as 0.1 psi. The poppet closes at zero flow before the turn flow starts.

Please reference the printable "Technical Manual" located under the Attachments Tab on this page. Please contact Amron International to inquire about these items and to receive a quote.


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Brand Circle Seal
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