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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 650°F (343°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. 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.

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

Note: All check valves are furnished complete with connection components unless otherwise specified.

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.
Unit of Measure

Fits Connection Type

N/A W125

Pressure Rating

N/A 15000 psi1034.19 bar

Orifice

N/A 0.094 in2.39 mm

Rated Cv

N/A 0.15

A - Length

N/A 2.25 in57.15 mm

B - Length

N/A 1.88 in47.75 mm

C - Length

N/A 0.31 in7.87 mm

D - Typical Hex

N/A 0.50 in12.7 mm

HEX

N/A 0.63 in15.88 mm

Tubing Engagement Depth

N/A 0.47 in11.9 mm