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The drilling tool

The drilling tool

Float valve sub

TIME:2017/3/21 14:43:35

浮阀接头  

Float valve sub

浮阀接头是防止井喷、井涌的专用工具。其结构分为板式浮阀接头、箭型浮阀接头两种。

The float valve sub is a special tool to Prevent blow out.It is available with plate type float valve sub,arrow-type float valve sub.

Float valve sub Specifications

Model

Sub O.D.
(mm)

Joint connection

Valve O.D.(mm)

I.D.(mm)

FFJT241

241.3

7 5/8REG B*B

0121(5F6R)

76.2

FFJT228

228.6

7 5/8REG B*B

0121(5F6R)

76.2

FFJT209

209.6

6 5/8REG B*B

0121(5F6R)

71.4

FFJT203

203.2

6 5/8REG B*B

0121(5F6R)

71.4

FFJT178

177.8

4 1/2REG B*NC50 B

088(4R)

71.4

FFJT165

165.1

4 1/2REG B*NC50 B

088(4R)

71.4

FFJT159

158.8

4 1/2REG B*NC46 B

088(4R)

71.4

FFJT127

127

3 1/2REG B*NC38 B

061(2F3R)

50.8

FFJT105

104.8

2 7/8REG B*NC31 B

048(1F2R)

38.1

Float valve Specifications

Model

OD

OAL

ID

Box Conn.

Other Conn.

mm(inch)

mm(inch)

mm(inch)

Conn.

Bore Depth mm(inch)

Conn.

Bore Depth mm(inch)

1R

42.1(1 21/32)

149.2(5 7/8)

42.9(1 11/16)

2 3/8REG

231.8(9 1/8)

NC23

231.8(9 1/8)

1F-2R

48.4(1 29/32)

158.8(6 1/4)

49.21(1 15/16)

2 7/8REG

254(10)

NC26

241.3(9 1/2)

2F-3R

61.1(2 13/32)

165.1(6 1/2)

61.9(2 7/16)

3 1/2REG

266.7(10 1/2)

NC31

260.35(10 1/4)

3F

71.4(2 13/16)

254(10)

72.2(2 27/32)

 

 

3 1/2FH

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 1/2REG

325.4(12 13/16)

NC44

331.8(13 1/16)

4F

92.8(3 21/32)

304.8(12)

93.7(3 11/16)

 

 

NC46

425.4(16 3/4)

5R

98.4(3 7/8)

247.6(9 3/4)

99.2(3 29/32)

5 1/2REG

374.6(14 3/4)

NC50

368.3(14 1/2)

5F-6R

121.4(4 25/32)

298.4(11 3/4)

122.2(4 13/16)

7 5/8REG

438.2(17 1/4)

5 1/2FH

431.8(17)