Swing Check Valve
A swing check valve is a type of valve that allows fluid or gas to flow in only one direction. It is a self-actuating valve, which means that it opens and closes automatically in response to changes in the pressure of the fluid or gas.
The swing check valve gets its name from the swinging motion of the disc or flap inside the valve. The disc is hinged at one end and swings open when the fluid or gas flows in the desired direction. When the flow stops or changes direction, the disc swings shut, preventing backflow or reverse flow.
Swing check valves are commonly used in piping systems for water, oil, gas, and other fluids. They are particularly useful in applications where backflow prevention is critical, such as in water treatment plants, sewage systems, and industrial processes.
Swing check valves come in a variety of sizes, materials, and designs to suit different applications. Some common materials used in swing check valves include cast iron, bronze, stainless steel, and PVC. The design of the valve can also vary, with some valves having a horizontal disc and others having a vertical disc.
Design Standard
DESIGN STANDARD |
: |
BS 1868 / API 6D |
TESTING STANDARD |
: |
BS EN 12266-1 |
FACE TO FACE |
: |
ASME B 16.10 |
END CONNECTION |
: |
Flanged End – ASME B 16.5
Butt Weld End – ASME B 16.25 |
PRESSURE – TEMPERATURE CHART |
: |
ASME B 16.34 |
Range
Valve Type |
Class Rating |
Size Range |
Product Catalouge |
Check |
150# |
2″ to 32″ |
Download |
Check |
300# |
2″ to 32″ |
Download |
Check |
600# |
2″ to 24″ |
Download |
Check |
900# |
2″ to 12″ |
Download |
Material of Construction
STRUCTURE |
End Connection |
Flanged End Raised Face, Butt Weld End, RTJ,. ETC |
Operation |
Hand wheel, Gear Operator, Electrical Actuator, Pneumatic, Hydraulic |
MATERIAL |
Shell |
WCB, WC1, WC6, WC9, LCB, LCC, LC3, C5, C12, CF8, CF8M, CF3, CF3M, CF8C, CN7M, CD4MCu,
Hastelloy, Inconel, Duplex Stainless Steel |
Trim |
13% Cr Steel, 304 , 304L, 316, 316L, 321, 347, F51, Monel |
Types of Swing Check Valve
Check Valve Pressure Seal Flanged