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| Product Name: |
kelly cock valve
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valve, |
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DX |
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| Kelly Cock Valve which is a manual control valve in drilling string cycle system, is one of the effective tools for preventing blowout.It is divided into upper kelly cock valve and lower kelly cock valve. Upper kelly cock is located at the position between lower end of swivel and the top of kelly stem.Lower kelly cock is located at the position between lower end of kelly stem and drilling rod or kelly stem saver sub.With special ***nner according to instruction and requirement to roll operational key 90 degree, so that can achieve to open and close. In order to avoid blowout, it should be assembled kelly cock valve on two ends of kelly stem. |
| Company: |
Mudanjiang Dongxu machinery Co.,Ltd
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| Contact: |
Ms. Cindy Yang |
| Address: |
Dongxu 2 Street,No.5,Aimin District |
| Postcode: |
157011 |
| Tel: |
86 453 6187299 |
| Fax: |
86 453 6290768 |
| E-mail: |
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