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.
Float is divided into arrow type and plate type.
Type | O.D.(mm) | Bearing Back Pressure | Connection | Drill Pipe (in) |
ZFF127 | 127 | 35MPa 70MPa | NC38 NC38 | 5" |
ZFF159 | 159 | 35MPa 70MPa | NC46 NC46 | 6 1/4" |
ZFF165 | 165 | 35MPa 70MPa | NC50 NC50 | 6 1/2" |
ZFF178 | 178 | 35MPa 70MPa | NC50 NC50 | 7" |
ZFF203 | 203 | 35MPa 70MPa | 6 5/8REG 6 5/8REG | 7" |
ZFF228.6 | 228.6 | 35MPa 70MPa | 7 5/8REG 7 5/8REG | 9" |
ZFF241 | 241 | 35MPa 70MPa | 7 5/8REG 7 5/8REG | 9 1/2" |
