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

Materials: 316 Stainless Steel: body, cover, cover gland, ball poppet, cover gland. 300 Series Stainless Steel: spring

Minimum operating temperature for standard ball check valves -110° (-79°C).
For low temperature option to -423°F (-252°C) add suffix LT (Low temperature spring).

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.

Note: For optional material see Technical Information.

All dimensions for reference only and subject to change.
For prompt service, Autoclave stocks select products. Consult your local representative.
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Item #

Fits Connection Type

Pressure Rating


Rated Cv

Add To Cart/Request Quote
CB4401 N/A F250C N/A 60000 psi4136.79 bar N/A 0.094 in2.39 mm N/A 0.15 Request Quote
CB6601 N/A F375C N/A 60000 psi4136.79 bar N/A 0.125 in3.18 mm N/A 0.28 Request Quote
CB9901 N/A F562C N/A 60000 psi4136.79 bar N/A 0.187 in4.75 mm N/A 0.63 Request Quote
43CB16 N/A F1000C43 N/A 43000 psi2964.70 bar N/A 0.438 in11.13 mm N/A 4.30 Request Quote
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