Xi'An Tiptop Machinery Co., Ltd.
Xi'an Tiptop Machinery Co., Ltd. Oilfield Comprehensive Solution Provider One-Stop Procurement Service Provider Downhole Drilling Tools Expert
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High Pressure Oil Drilling Float Valve, Inside Blow Out Preventer
drill pipe float valve is one of necessary tools for oil drilling. It consists of float valve sub and float valve. The main function is to prevent drill cuttings come into mud when connecting each joint and the bit bore block caused by back flow of silt. When the well blowout or kick, the valve cover of float valve turn off the bore automatically, it will prevent well blowout accident. The working pressure of float valve is supposed to be 5000psi or 10000psi.
Float Valve Sub Specification
| Model | OD | ID | Connection | Float Valve Type | ||
| mm | inch | mm | 1 1/4 | |||
| FZF83 | 82.6 | 3 1/4 | 31.8 | 1 1/4 | NC23 B x 2 3/8 REG B | 1R |
| FZF105 | 104.8 | 4 1/8 | 31.8 | 2 | NC31 B x 2 7/8 REG B | 1F-2R |
| FZF127 | 127 | 5 | 50.8 | 2 13/16 | 3 1/2 REG B x NC 38 B | 2F-3R |
| FZF178 | 178 | 7 | 71.4 | 2 13/16 | 4 1/2 REG B x NC50 B | 4R |
| FZF165 | 165 | 6 1/2 | 71.4 | 2 13/16 | NC 50 B x P | 5R |
| FZF203 | 203 | 8 | 71.4 | 2 13/16 | 6 5/8 REG B x 6 5/8 REG B | 5F-6R |
| FZF299/FZF241 | 229/241 | 9, 9 1/2 | 76.2 | 3 | 7 5/8 REG B x 7 5/8 REG B | 5F-6R |
Float Valve Specification
| Model | OD | OAL | ID | Box Connection | Other Connection | |||||||
| Connection | Bore Depth | Connection | Bore Depth | |||||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | |||
| 1R | 42.1 | 1 21/32 | 149.2 | 5 7/8 | 42.9 | 1 11/16 | 2 3/8 REG | 231.8 | 9 1/8 | NC23 | 231.8 | 9 1/8 |
| 1F-2R | 48.42 | 1 29/32 | 158.8 | 6 1/4 | 49.21 | 1 15/16 | 2 7/8 REG | 25.4 | 1 | NC26 | 241.3 | 9 1/2 |
| 2F-3R | 61.1 | 2 13/32 | 165.1 | 6 1/2 | 61.9 | 2 7/16 | 3 1/2 REG | 266.7 | 10 1/2 | NC31 | 260.35 | 10 1/4 |
| 3F | 71.44 | 2 13/16 | 254 | 10 | 72.23 | 2 27/32 | 3 1/2 FH | 355.6 | 14 | |||
| 3 1/2F | 79.4 | 3 1/8 | 254 | 10 | 80.2 | 3 5/32 | NC38 | 362 | 14 1/4 | |||
| 4R | 88.1 | 3 15/32 | 211.1 | 8 5/16 | 88.9 | 3 1/2 | 4 1/2 REG | 325.4 | 12 13/16 | NC44 | 331.8 | 13 1/16 |
| 4F | 92.87 | 3 21/32 | 304.8 | 12 | 93.66 | 3 11/16 | NC46 | 425.4 | 16 3/4 | |||
| 5R | 98.4 | 3 7/8 | 247.7 | 9 3/4 | 99.2 | 3 29/32 | 5 1/2 REG | 374.7 | 14 3/4 | NC50 | 368.3 | 14 1/2 |
| 5F-6R | 121.4 | 4 25/32 | 298.5 | 11 3/4 | 122.2 | 4 13/16 | 7 5/8 REG | 438.2 | 17 1/4 | 5 1/2 IF | 431.8 | 17 |
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