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Disc Check Valve

1/8", 1/4” & 3/8” Female NPT
0 - 500 Psig


The DCV Series’ unique Floating Acetal Copolymer Disc design allows for a positive bubble tite seal with as low as one inch of water crack pressure. Rated for service up to 500 Psig, the DCV Series is available with many standard elastomer seal options, making it a versatile choice for many low pressure applications. DCV Series valves can be ordered cleaned for Oxygen sevice


  • Ideal for High Cycling Applications
  • Quick Acting: less than 10 milliseconds to seal from reversing flow
  • No Spring: valve is operated solely by the flow of the media
  • Bubble tight closure from zero to 500 Psig

Technical Data

  • Maximum Pressure: 500 Psig
  • Cracking Pressure: <1” H20
  • Flow Coefficient (Cv):
    • 1/8" & 1/4" - 0.80
    • 3/8” - 1.35
  • Temperature Rating: -40°F to 210°F (-40°C to 100°C)

  • (based on seal selection, see ordering information)

Materials of Constructions

Component Valve Body Material
Body, End Cap Brass, ASTM B16
Poppet Disc Acetal Copolymer
O-Ring1 Viton™ (standard)
1 Lubricated with Krytox™


Model Code A B C
DCV-125B 1 - 5/8” 1/8” NPT 11/16"
DCV-250B 1 - 15/16” 1/4” NPT 3/4"
DCV-375B 1 - 15/16” 3/8” NPT 15/16"

Ordering Information

PROPER COMPONENT SELECTION - When specifying a component, the total system design must be considered to ensure safe and trouble-free performance. Intended component function, materials compatibility, pressure ratings, installation, environment and maintenance are the responsibility of the system designer.