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API Certificated Kelly Cock Valve
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Product Details
| Place of Origin | Henan, China | Brand Name | Zhongshi | |
| Model Number | XS | Machine Type | Drilling Equipment | |
| Certification | API | Material | Carbon Steel | |
| Processing Type | Forging | Use | Well Drilling | |
| Type | Other, Upper Kelly Cock/lower Kelly Cock |
Product Description
API Certificated Kelly Cock Valve
Description
The Kelly cock valve is a manually operated ball valve run in the I. D of drill string, it is one of effective tool for prevention from blowout. The Kelly cock valve is divided into upper Kelly cock valve and lower Kelly cock valve. The upper Kelly cock is connected between lower end of swivel and upper end of Kelly. The lower Kelly cock is connected between upper end of drill pipe and lower end of Kelly or connected between lower end of Kelly saver subs. The Kelly cock features a simple operation. The Kelly cock can be opened on or closed off by only turning the special operating spanner at 90 degrees according to indicating direction. During drilling operation, in order to avoid serious well kick or blowout accident, the Kelly cock shall be connected at upper end and lower end of Kelly.
Specification
Upper Kelly Cock
Type | O.D. (mm) | Thread connection (LH) | I.D. (mm) | Max.sealing pressure(Mpa) |
XS 146 | 146 | 4 1/2 REG | 50 | 68.6 |
XS 200 | 200 | 6 5/8 REG | 76.2 | 68.6 |
Lower Kelly Cock
Type | O.D. (mm) | Thread connection | I.D. (mm) | Max.sealing pressure(Mpa) |
XS105 | 105 | NC31 | 41.3 | 68.6 |
XS121 | 121 | NC38 | 50 | 68.6 |
XS127 | 127 | NC38 | 50 | 68.6 |
XS165 | 165 | NC46 | 61 | 68.6 |
XS178 | 178 | NC50 , 5 1/2FH | 71.4 | 68.6 |
Contact Us
- Puyang Zhongshi Group Co., Ltd.
- Contact nameMolly Wei Chat Now
- Phone86-371-87096211
- AddressHuayuan Road, Zhengzhou city, Henan, China, Puyang, Henan
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