After-sales Service: | on Line Support |
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Warranty: | 1 Year |
Manufacturing Process: | Casting |
Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The lower Kelly valve is connected between upper end of drill pipe and lower end of Kelly or lower end of Kelly saver subs. The Kelly valve can be opened or closed off by simply turning a special operating wrench 90° according to indicated direction.
When ordering please specify:
Upper or Lower type;
Tool OD;
Working pressure: 5,000 / 10,000 / 15,000 psi;
Tool connection. Specifications - upper
Technical Parameters
Model | 0.D.(mm | Thread connection (LH) |
I.D.(mm | Max.Sealing Pressure(MPa |
CS 146K | 146 | 41/2 REG | 57.2 | 68.6 |
CS 197K | 197 | 6 5/8 REG | 76.2 | 68.6 |
CS 200K | 200 | 6 5/8 REG | 76.2 | 68.6 |
Specifications -Lower Kelly valve | ||||
Model | 0.D.(mm | Thread connection (LH) |
I.D. (mm) |
Max.Sealing Pressure (MPa) |
XS105K | 105 | NC31 | 40 | 68.6 |
XS121K | 121 | NC38 | 44.5 | 68.6 |
XS127K | 127 | NC38 | 44.5 | 68.6 |
XS140K | 139.7 | NC40 | 57.2 | 68.6 |
XS159K | 159 | NC46 | 61 | 68.6 |
XS165K | 165 | NC46 | 61 | 68.6 |
XS168K | 168 | NC50 | 71.4 | 68.6 |
XS178K | 178 | NC50,51/2 FH | 71.4 | 68.6 |
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