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Prevents reverse flow where leak-tight shut-off is not mandatory. When differential drops below cracking pressure, valve closes. With all-metal components, valve can be used up to 1200°F (649°C). See Technical Information section for connection temperature limitations. (Not for use as a relief valve.)

Ball and poppet are integral design to assure positive, in-line seating without “chatter”. Poppet is designed essentially for axial flow with minimum pressure drop.

Materials: Body, cover, poppet: 316 Annealed Stainless Steel, Cover gland: Annealed Stainless Steel, Ball, Spring: High Nickel Alloy

Note: All sour oil and gas valves and fittings supplied without collars and glands unless otherwise specified.

Caution: While testing has shown O-Rings to provide satisfactory service life, both cyclic and shelf life may vary widely with differing service conditions, properties of reactants, pressure and temperature cycling and age of the O-ring. FREQUENT INSPECTIONS SHOULD BE MADE to detect any deterioration, and O-rings replaced as required.

All dimensions for reference only and subject to change.
For prompt service, Autoclave stocks select products. Consult your local representative.
All general terms and conditions of sale, including limitations of our liability, apply to all products and services sold.
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Item #

Fits Connection Type

Pressure Rating


Rated Cv

Add To Cart/Request Quote
CB4401-SOGWO N/A F250C N/A 30000 psi2068.39 bar N/A 0.094 in2.39 mm N/A 0.15 Request Quote
CB6601-SOGWO N/A F375C N/A 30000 psi2068.39 bar N/A 0.125 in3.18 mm N/A 0.28 Request Quote
CB9901-SOGWO N/A F562C N/A 30000 psi2068.39 bar N/A 0.187 in4.75 mm N/A 0.63 Request Quote
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