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Full opening safety valve, drill pipe safety valve, safety valve
Supply Capability:
500
Lead time:
30 days
Trade Terms:
Payment Terms :
TT in Advance
Certification :
Origin :
China
Ref Price
USD 200 /Pieces
1 (Min. Order Quantity)
Whatsapp/Wechat/Phone: 0086 15145386673
Full opening safety valve is a hand control valve in drill string circulating system, and it is one of the effective tools to prevent blowout. In the drilling operation, in order to avoid malignant accidents, full opening safety valve shall be connected between drill pipes in drilling process. The special wrench of full opening safety valve may rotate 90 °according instruction to switch on and off. In well repair operation, whether need to lift the drill pipe or not, it is best to install opening safety valve as prevention.
Whatsapp/Wechat/Phone: 0086 15145386673
| Model | OD | ID | Connection | Working PressureMPa |
| inch（mm） | inch（mm） | API | ||
| QK79 | 3-1/9(79) | 4/5(20) | 2-7/8HT PAC | 35-105 |
| QK89 | 3-1/2（89） | 1-3/16（30） | NC26 | |
| QK111 | 4-3/8（111） | 1-37/64（40） | NC31) | |
| QK121 | 4-3/4（121） | 1-31/32（50） | NC38 | |
| QK127 | 5（127） | |||
| QK133 | 5-1/4(133) | 2-11/25(62) | NC40 | |
| QK159 | 6-1/4(159) | 2-4/5(71) | NC46 | |
| QK165 | 6-1/2（165） | 2-13/16（71.4） | NC50 | |
| QK168 | 6-5/8（168） | |||
| QK190 | 7-1/2(190) | 3(76.2) | 5-1/2FH |
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