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API Upper And Lower Kelly Valve
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Product Details
| Place of Origin | China | Brand Name | sinotai | |
| Type | Other, API Upper and lower kelly valve | Machine Type | Drilling Tool | |
| Certification | API | Material | Other, AISI 4145H,4145H Mod | |
| Processing Type | Forging | Use | Well Drilling |
standard package or according to customers' requirements
Product Description
Specifications
API Upper and lower kelly valve* API Spec 7-1
* Working pressure: 35,70,105Mpa
* Connected to kelly
API Upper and lower kelly valve
Kelly Cock Valve (Kelly valve/drill pipe safety valve), which is manually operated ball valve run in the I.D of drill string, is one of effective tools for prevent from blowout.
The Kelly cock valve is divided into upper Kelly cock and lower Kelly cock. 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 degree 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.
Detail Specification:
Technical specifications and parameters for Upper Kelly valve | ||||
Type | O.D.(mm) | Connection (LH) | I.D.(mm) | Working pressure (Mpa) |
U146 | 146 | 4 1/2 REG | 57.2 | 35, 70, 105 |
U197 | 197 | 6 5/8 REG | 76.2 | 35, 70, 105 |
U200 | 200 | 6 5/8 REG | 76.2 | 35, 70, 105 |
Technical specifications and parameters for Lower Kelly valve | ||||
Type | O.D.(mm) | Connection (LH) | I.D.(mm) | Working pressure (Mpa) |
L89 | 89 | NC26 | 30 | 35, 70, 105 |
L111 | 111 | NC31 | 40 | 35, 70, 105 |
L121 | 121 | NC38 | 44.5 | 35, 70, 105 |
L127 | 127 | NC38 | 44.5 | 35, 70, 105 |
L159 | 159 | NC46 | 61 | 35, 70, 105 |
L168 | 168 | NC50 | 71.4 | 35, 70, 105 |
L178 | 178 | NC50, 5 1/2FH | 71.4 | 35, 70, 105 |
Company Profile
As a professional supplier of OCTG, drilling equipment and workover service, Sinotai Petroleum Equipment Co., Ltd. lies in the production base of petroleum equipment and China's second largest oil field --Shengi Oilfield. Our company is a high-tech enterprise in Dongying City with business scope covering the sale, trading, post-sale service and technological development of a wide variety of petroleum equipment. Besides OCTG, we provide our customers with other drilling and oil recovery equipment like fishing tools, cementing tools, workover rigs, pumping units and OCTG accessories. The striving target of our company is "Prestige first, Quality supreme; The shortest delivery time, The lowest price, The best quality". Customers' needs are our first priority and customer satisfaction is the bottom line by which we measure our success.
Contact Us
- Sinotai Petroleum Equipment Co., Ltd.
- Contact nameHerish Kuo Chat Now
- Phone86-546-8300512
- AddressNo. 107, Bldg. 45, Gaoerfu, Wanda, Dongcheng
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