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Dongxu2 No5, Mudanjiang, Heilongjiang
 Drop-in Type Check Valve : It is an internal preventer. When blowout is going to happen, the kelly rod should be removed immediately and throw the back pressure valve assembly into the water hole and then pumped downward to the required place. Thus , the blowout can be prevented. The valve body connect on the drilling stem, Drop-in check valve is a ball and sea of heavy duty, if only drop in the valve core at the mouth of the well, it turn into the valve body.
| Country: | China |
| Model No: | - |
| FOB Price: | Get Latest Price |
| Place of Origin: | - |
| Price for Minimum Order: | - |
| Minimum Order Quantity: | - |
| Packaging Detail: | - |
| Delivery Time: | - |
| Supplying Ability: | - |
| Payment Type: | - |
| Product Group : | - |
