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All Categories > High Pressure Fittings and Tubing > Low Pressure Fittings and Tubing > Low Pressure Check and Excess Flow Valves > Low Pressure O-Ring Type Excess Flow Valves > View Items  
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Low Pressure O-Ring Type Excess Flow Valves

Check up to five results to perform an action.


Protects pressure gauges and other pressure instrumentation from sudden surges in flow due to operator error or line failure. This valve provides dependable, tight shut-off.

Materials: 316 Stainless Steel: body, cover and sleeve. 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.

Vertical Installation: Since this type of check valve employs a non-spring loaded poppet, valve MUST be installed in VERTICAL position with arrow on valve body pointing UP. (cover gland up).

Resetting Valve: Equalize the pressure across the poppet. The poppet will drop and reset automatically.

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.




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  Results 1 - 3 of 3 1 

Item #

Fits Connection Type

Pressure Rating

Orifice

Rated Cv

SWK04400 SW-250 15000 psi
1034.19
bar
0.188 Inch
4.78
mm
3
SWK06600 SW-375 15000 psi
1034.19
bar
0.250 Inch
6.35
mm
5
SWK08800 SW-500 10000 psi
689.46
bar
0.375 Inch
9.53
mm
10
  Results 1 - 3 of 3 1 

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