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YONGJIA GOOLE VALVE CO.,LTD |
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API ball valve |
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| Class: |
Valve - Ball valve |
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| Expound |
| Product :API ball valve |
| Pressure Rating :150LB- 600LB |
| Specification :2"-24" |
| Material :WCBCF8 CF8M CF3 CF3M |
| Standard flanges :API6D.API600.API598 |
A check valve, clack valve, non-return valve or one-way valve is a mechanical device, a valve, which normally allows fluid (liquid or gas) to flow through it in only one direction. Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure. |
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