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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: ball,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.

Caution: See Tubing section for proper selection of tubing.
Note: For optional material see Technical Information.

Note: Special material check valves may be supplied with four flats in place of standard hex.

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
CXB4400 N/A SF250CX N/A 20000 psi1378.93 bar N/A 0.125 in3.18 mm N/A 0.28 Request Quote
CXB6600 N/A SF375CX N/A 20000 psi1378.93 bar N/A 0.218 in5.54 mm N/A 0.84 Request Quote
CXB9900 N/A SF562CX N/A 20000 psi1378.93 bar N/A 0.359 in9.12 mm N/A 2.30 Request Quote
CXB12 N/A SF750CX N/A 20000 psi1378.93 bar N/A 0.516 in13.11 mm N/A 4.70 Request Quote
CXB16 N/A SF1000CX N/A 20000 psi1378.93 bar N/A 0.688 in17.48 mm N/A 7.40 Request Quote
CXB24 N/A SF1500CX N/A 20000 psi1378.93 bar N/A 0.94 in23.80 mm N/A 14 Request Quote
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