Arrow Type Check Valve
The arrow type check valve is an integral drilling tool for preventing blowouts during drilling operations. Compared to other structural valves, it features extremely high strength, a large flow, high temperature resistance and it is easy to maintain. These drill string components are extremely important for the safety of operators and for the drilling rig itself.
Specifications| Type | O.D.(mm) | connection | I.D.(mm) | Working Pressure(Mpa) |
| 229 | 7 5/8 REG | 82 | 70(35) | |
| 203 | 6 5/8 REG | 82 | 70(35) | |
| 178 | 5 1/2 FH | 82 | 70(35) | |
| 168 | NC50 | 82 | 70(35) | |
| 165 | NC50 | 82 | 70(35) | |
| 159 | NC46 | 70 | 70(35) | |
| 121 | NC38 | 56 | 70(35) | |
| 105 | NC31 | 44 | 70(35) | |
| 89 | NC26 | 33 | 70(35) |
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