Float valve
Brief introduction ：
Type ZFF float valve is a 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:
Technical Specification :
Type | O.D.(mm) | Bearing Back Pressure | Connection | Drill collar (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″ |