Kelly Valve
- Major repair kits available for every valve.
- Comes with certified test report.
- Identifiable open and close markings.
- Can be H2S corrosion resistant as per NACE MR0175.
- Technical Specification
- More Details
- Drawing
- Contact Us
| Model | O.D.(mm) | Thread connection | I.D. (mm) | Working pressure
(Mpa) |
| XS-86 | 86 | NC26 | 30 | 30,70,105 |
| XS-105 | 105 | NC31 | 40 | 30,70,105 |
| XS-111 | 111 | NC31 | 40 | 30,70,105 |
| XS-121 | 121 | NC38 | 44.5 | 30,70,105 |
| XS-127 | 127 | NC38 | 44.5 | 30,70,105 |
| XS-140 | 140 | NC40 | 57.2 | 30,70,105 |
| XS-XS146 | 146 | 4-1/2 REG | 57.2/44.5 | 30,70,105 |
| XS-159 | 159 | NC46 | 61 | 30,70,105 |
| XS-165 | 165 | NC46 | 61 | 30,70,105 |
| XS-168 | 168 | NC50 | 71.4 | 30,70,105 |
| XS-178 | 178 | NC50,5-1/2 FH | 71.4 | 30,70,105 |
| XS-XS197 | 197 | 6-5/8 REG | 76.2 | 30,70,105 |
| XS-XS200 | 200 | 6-5/8 REG | 76.2 | 30,70,105 |
Kelly Valve is an effective manually operated ball type valve for the drill stem. It located within the drill string that allow for free-passage of drilling fluid without pressure loss and are specifically designed for effective control of blow outs and/or mud loss control. The kelly 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 valve is connected between lower end of kelly saver sub. The kelly valve can be opened on or closed off by only turning the special operating wrench at 90° according to indicating direction. During drilling operation, both upper and lower Kelly cocks should be connected to prevent accident during drilling operation.
Learn More When Inquiring
Buyer’s Guide
Please send us your inquiry with detail item description or with Model number. If there is no packing demand we take it as our regular exported standard packing. We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
We can give you really high quality products with competitive price. We have a better understanding in Chinese market, with us your money will be safe.
Get Quick Response
Lake Petro is located in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in China. Following the principle of “quality first, science and technology innovated, people oriented”, every Lake Petro person is sparing no effort to provide the customers with best products and services. Our products are based on advanced production line and testing equipment, our products are designed and manufactured according to certification of API, ISO, GOST, etc.