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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.
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Unit of Measure
Items
Low-Pressure-Check-Valves_Low

High Pressure Ball Check Valves

Low-Pressure-Check-Valves_Low

High Pressure Ball Check Valves

Low-Pressure-Check-Valves_Low

High Pressure Ball Check Valves

Low-Pressure-Check-Valves_Low

High Pressure Ball Check Valves
Fits Connection Type N/A F250C N/A F375C N/A F562C N/A F1000C43
Pressure Rating
N/A 60000 psi4136.79 bar N/A 60000 psi4136.79 bar N/A 60000 psi4136.79 bar N/A 43000 psi2964.70 bar
Orifice N/A 0.094 in2.39 mm N/A 0.125 in3.18 mm N/A 0.187 in4.75 mm N/A 0.438 in11.13 mm
Rated Cv N/A 0.15 N/A 0.28 N/A 0.63 N/A 4.30
A - Length N/A 3.38 in85.85 mm N/A 3.75 in95.25 mm N/A 4.62 in117.35 mm N/A 6.54 in166.11 mm
B - Length N/A 2.50 in63.50 mm N/A 2.62 in66.55 mm N/A 3.38 in85.85 mm N/A 5.63 in143.00 mm
C - Length N/A 0.50 in12.70 mm N/A 0.53 in13.46 mm N/A 0.81 in20.57 mm N/A 0.72 in18.29 mm
D - Typical Hex N/A 0.63 in16.00 mm N/A 0.75 in19.05 mm N/A 1.12 in28.45 mm N/A 1.38 in35.05 mm
HEX N/A 1.18 in29.97 mm N/A 1.18 in29.97 mm N/A 1.50 in38.10 mm N/A 1.88 in47.76 mm
Tubing Engagement Depth N/A 0.50 in12.7 mm N/A 0.69 in17.5 mm N/A 0.87 in22.0 mm N/A 1.62 in41.1 mm