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API 6A Dart Type Check Valve High Pressure Wellhead Valve For Flow Control
Check Valves are important part of wellhead equipment and widely used in high pressure lines to control one-way flow and prevent fluid from flowing back to the pump, thus to protect pipeline safety. The core component of check valve is made of forged stainless steel, which make the check valve featured with advanced erosion and abrasion-resistant characteristics.
Check Valves include top-entry check valves, in-line flapper check valves and dart check valves. Flappers of top-entry and in-line flapper check valves which are mainly used in fluid condition adopt complete coating design, increasing service life. Dart check valves are mainly used in air condition.
Technical Parameter of Dart Type Check Valve
| Nomal Size, in | Working Pressure, psi | End Connection | Flow Condition |
| 2 | 15,000 | Fig1502 M X F | Standard |
| 3 | 15,000 | Fig1502 F X M | Standard |
