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Type FT Drop-in Check Valve

Affiliate classification
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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
Pressure
Mpa

Connection
API

 

O.D (mm)

I.D (mm)

O.D (mm)

I.D (mm)

Length
(mm)

 

 

FT86

35

10

86

37

335

35
(70)

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

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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