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Circle Seal 259B-3PP-.15 Check Valve 3/8 inch Female NPT - .15 PSIG Cracking Pressure - Brass

SKU: 259B-3PP-.15 Rate this product

List Price: $67.20


Availability: Contact us for availability

Restrictions / Notifications

  • This item cannot be cancelled or returned once an order has been placed.

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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
  • Floating O-Ring - The streamlined poppet and full ports offer minimum restriction to flow


  • Series 200 Check Valve
  • O-Ring Material: Buna-N
  • Operating Temperature: -65 º F to +275 º F
  • Cracking Pressure: .15 PSIG
  • Body Material: Brass
  • Connection Size: 3/8 inch
  • End Connections: Female NPT
  • Weight: 0.43 lbs
  • Cv (nominal): 3.5

Circle Seal Series 200 Female Pipe Check Valves are absolutely bubble tight in leakage tests. No Leakage whatsoever at any Differential Pressure. This check valve has a Quick Opening - Positive Closing, even at extremely low pressure differential.


Additional Information

Brand Circle Seal
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