- Mining Machinery[40]
- Mining Machinery Parts[22]
- Steel Pipes[3]
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- Other Machinery[3]
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- Other Woodworking Machinery[4]
- Machinery Parts Processing Services[1]
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- Drilling Rig[10]
- Other Mining Machinery[7]
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- Valves[4]
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- Contact Person : Mr. Xue aihong
- Company Name : Rugao Yaou Import & Export Trade Co., Ltd.
- Tel : 86-513-87635480
- Fax : 86-513-87632623
- Address : Jiangsu,Rugao,23# Haiyang North RD.
- Country/Region : China
- Zip : 226500
Type FT Drop-in Check Valve
Detailed Product Description
It is an inside BOP (blowout preventer)in the drill string.It is simple in structure and easy to operate.When blowout is going to be happened,the thread connections of the Kelly are screwed out immediately and the back pressure valve is put into the I.D. of drill pipe and then pumped downward to the required place.Thus the blowout accident can be prevented.The tool is consisting of landing sub and check valve assembly.The landing is thread connected with stop ring and tightened on and put into downhole with drill string .The landing sub is used as a sub above drill string before check valve is run in downhole. ..........
Technical specifications and parameters
Specification | Check Valve Assembly | Landing Sub | Seal | Connection | |||
O.D (mm) | I.D (mm) | O.D (mm) | I.D (mm) | Length | |||
FT86 | 35 | 10 | 86 | 37 | 335 | 35 | NC26 |
FT105 | 38 | 12 | 105 | 40 | 350 | NC31 | |
FT121 | 50 | 20 | 121 | 52 | 395 | NC38 | |
FT152 | 54 | 24 | 152 | 56 | 410 | NC46 | |
FT159 | 65 | 35 | 159 | 67 | 435 | NC50 | |
FT159 | 68 | 35 | 159 | 70 | 435 | NC50 | |
FT165 | 68 | 35 | 165 | 70 | 435 | NC50 | |
FT178 | 76 | 43 | 178 | 78 | 515 | NC50 | |
FT203 | 76 | 43 | 203 | 78 | 620 | 6 5/8"REG | |
FT229 | 76 | 43 | 229 | 78 | 620 | 7 5/8"REG | |
