Stainless Steel Check Valve

Design Standard
ANSI B 16.34 or BS 1873
Size Range
NPS1/ 2′′~NPS 16′′ DN15-DN400
Temperature Range
Pressure Rating
CLB150~CL300 PN10~PN40
Stainless Steel Check Valve

Specification Parameters

Name Stainless steel check valve
Size NPS1/ 2′′~NPS 16′′   DN15-DN400
Pressure CLB150~CL300    PN10~PN40
Temperature -20~350°C
Applicable media Water, oil, steam, acid medium
Body Material Stainless steel 304,316, cast steel, carbon steel

Design Specification

Design and Manufacturing ANSI B 16.34 or BS 1873
Structure length ANSI B 16.10
Flange Standard ANSI B 16.5a
Terminal end size ANSI B 16.25
Pressure test API 6D or API 598
pressure and temperature rating ASME B16.34, GB/T 12224

Product Description

Stainless steel check valves are also known as counterflow valves, check valves, back pressure valves, and check valves. This type of valve is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline, and is an automatic valve. Stainless steel check valves are divided into lift check valves, swing check valves, disc check valves, butterfly check valves, flue check valves, etc.

The main function of the stainless steel check valve is to prevent backflow of the medium, prevent the pump and its drive motor from reversing, and vent the medium in the container. It can be used to supply a supply line to an auxiliary system where the pressure may rise above the pressure of the main system. Stainless steel check valves can be applied to pipes of various media depending on the material.

The check valve is installed on the pipeline, which becomes one of the fluid components of this complete pipeline. The valve flap opening and closing process is affected by the transient flow state of the system it is in.


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