H44W American standard swing check valve-product description
The function of the check valve is to prevent the medium in the pipeline from flowing backwards. Check valves are automatic valves, and the opening and closing parts open or close by the force of flowing medium. Check valves are only used on pipelines with unidirectional flow of medium to prevent backflow of medium and prevent accidents. American standard check valves produced by Shanghai Qigao Valve Factory are designed and manufactured according to ANSI B16.34 standard. Varieties are: swing check valve, lifting check valve and lifting vertical check valve; Class 150lB~900Lb; NPS 1 "~ 28" working temperature-40 ~ 570ºC; The valve body materials are WCB, WC1, WC6, WC9, C5, CF3, CF8, CF3M, CF8M, etc. Applicable media: water, steam, oil, nitric acid, strong oxidizing medium and urea, etc. Widely used in power station, petroleum, chemical, pharmaceutical, food and other industries. It can be used directly with imported equipment.
Main technical specifications
| Type |
Design and manufacturing |
Face to Face |
Flange Size |
Pressure -temperature |
Test-inspection |
Swing check valve
|
ANSI B16.34 |
ANSI B16.10 |
ANSI B16.5 |
ANSI B16.34 |
API |
Lift check valve
|
BS 1968 |
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