$47,000.00
Model QKF Full Open Safety Valve Model QKF full open valve is a driving control valve in the drill string cycle system with manual control of special wrench which can rotate 90 degrees, so that the switch can be realized as to achieve the goal of blowout control and spray proof. Specifications Specifiaction Connection Min. Hole Diameter mm (in) Max. O.D. mm (in) Max. Working Pressure Mpa QKF127 NC38 26 (1) 127（5） 70 QKF168 NC50 71.4（2 13/16） 168（6 5/8） 70 QKF…
Model QKF full open valve is a driving control valve in the drill string cycle system with manual control of special wrench which can rotate 90 degrees, so that the switch can be realized as to achieve the goal of blowout control and spray proof.
Specifications
| SPECIFIACTION | CONNECTION |
MIN. HOLE DIAMETER
MM (IN) |
MAX. O.D.
MM (IN) |
MAX. WORKING PRESSURE
MPA |
| QKF127 | NC38 | 26 (1) | 127（5） | 70 |
| QKF168 | NC50 | 71.4（2 13/16） | 168（6 5/8） | 70 |
| QKF178 | NC50 | 76.2(3) | 178 (7) | 70 |
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