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| Product Name: |
Kelly cocks
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| Specifications |
can be used to control blowout pressure |
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| Keelly Valve,allows free pass of drilling fluid without pressure lose. These valves can be used as a drill pipe safety valve or upper Kelly Valve to control blowout pressure ,or as a lower Kelly Valve to prevent loss of drilling fluid when the kelly is disconnected. |
| Company: |
Mudanjiang NorthMachine Co,.Ltd.
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| Contact: |
Mr. Tang felix |
| Address: |
86 453 6425199 |
| Postcode: |
157000 |
| Tel: |
86 453 6425199 |
| Fax: |
86 453 6425199 |
| E-mail: |
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