Dongying Kangyu petroleum Engineering Technology Service Co.,Ltd
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PRODUCT NAME: Drill pipe float valve
DESCRIPTION: The ZFF Type Float Valve is one kind of unidirectional check valve which can be used in preventing from blowout and well kick to reduce loss of drilling fluid and keep the rig floor clear.
SPECIFICATION FOR FLOAT VALVE:
| Type | O.D.(mm) | Bearing Back Pressure | Connection | Drill Pipe (in) |
| ZFF127 | φ127 | 35MPa 70MPa | NC38×NC38 | 5″ |
| ZFF159 | φ159 | 35MPa 70MPa | NC46×NC46 | 6 1/4″ |
| ZFF165 | φ165 | 35MPa 70MPa | NC50×NC50 | 6 1/2″ |
| ZFF178 | φ178 | 35MPa 70MPa | NC50×NC50 | 7″ |
| ZFF203 | φ203 | 35MPa 70MPa | 6 5/8REG×6 5/8REG | 7″ |
| ZFF228.6 | φ228.6 | 35MPa 70MPa | 7 5/8REG×7 5/8REG | 9″ |
| ZFF241 | φ241 | 35MPa 70MPa | 7 5/8REG×7 5/8REG | 9 1/2″ |
