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All Categories > High Pressure Fittings and Tubing > Medium Pressure Fittings and Tubing > Medium Pressure Check and Excess Flow Valves > Medium Pressure O-Ring Check Valves > Item # CXO9900  
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Item # CXO9900, Medium 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.

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.





 Specifications   

Fits Connection Type

SF562CX

Pressure Rating

View
20000 psi
1378.93
bar

Orifice

0.359 Inch
9.12
mm

Rated Cv

2.30

A - Length

4.18 Inch
106.17
mm

B - Length

3.50 Inch
88.90
mm

C - Length

0.53 Inch
13.46
mm

D - Typical Hex

0.94 Inch
23.88
mm

HEX

1.38 Inch
35.05
mm


 MORE IMAGES 

·  O-Ring Check Valves Flow



 DOWNLOADS 

Fittings and Tubing Medium Pressure Brochure
(PDF, 3741KB)

Technical Information
(PDF, 1008KB)



 Connection Components 


Gland
Medium Pressure Connection Gland


Collar
Medium Pressure Connection Collar

more available ..


 Medium Pressure Tubing Section 


Tubing_Medium
Medium Pressure Tubing

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