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All Categories > High Pressure Fittings and Tubing > High Pressure Fittings and Tubing > High Pressure Check and Excess Flow Valves > High Pressure O-Ring Check Valves > Item # CKO9900  
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Item # CKO9900, High Pressure O-Ring Check Valves




Provide unidirectional flow and tight shut-off for liquids and gases with high reliability. When differential drops below cracking pressure*, valve shuts off. (Not for use as relief valve.)

Materials: 316 Stainless Steel: body, cover, poppet and cover gland. 300 Series Stainless Steel: spring Standard O-ring: Viton, for operation to 500° F (260°C). Buna-N or Teflon available for 250°F (121°C) or 400°F (204°C) respectively; specify when ordering.

Cracking Pressure: 20 psi (1.38 bar) ±30%. Springs for higher cracking pressures (up to 100 psi (6.89bar)) available on special order for O-ring style check valves only.

Minimum operating temperature for standard o-ring check valves 0°F (17.8°C).
For low temperature option to -423°F (-252°C) add suffix LTTO (Low temperature spring & Teflon o-ring).

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.
All general terms and conditions of sale, including limitations of our liability, apply to all products and services sold.





 Specifications   

Fits Connection Type

F562C

Pressure Rating

View
60000 psi
4136.79
bar

Orifice

0.187 Inch
4.75
mm

Rated Cv

0.63

A - Length

4.62 Inch
117.35
mm

B - Length

3.38 Inch
85.85
mm

C - Length

0.81 Inch
20.57
mm

D - Typical Hex

1.12 Inch
28.45
mm

HEX

1.50 Inch
38.10
mm


 MORE IMAGES 

·  O-Ring Check Valves Flow



 DOWNLOADS 

Fittings and Tubing High Pressure Brochure
(PDF, 1012KB)

Technical Information
(PDF, 1052KB)



 Connection Components 


Gland
High Pressure Connection Gland


Collar_High
High Pressure Connection Collar

more available ..


 High Pressure Tubing Section 


Tubing_High
High Pressure Tubing

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