Dongying Kaihao Petroleum Equipment Co. Ltd._Type B Tongs
 
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Type B Tongs
 

Type B tongs is a necessary tool for buck-on and buck-off drill pipe and drill collar and casing connector during the process of drilling well and workover.

The fastening tongs size changed by replacement of fastening tongs and shoulders. 

Diameter range3.3/8-13.3/8inMAX torque75kN.m;

Design and manufacture by API SPEC 7k. 

 

Fastening Tongs :

Shoulder

Diameter range mmin

Max torque kN.m  

5a

1

2

86-105(33/8-41/8)

105-133(41/8-51/4)

55

5b

1

2

3

108-133(41/8-51/4)

127-146(5-51/4)

152-171(6-63/4)

75

5b-1

1

2

3

133-146(5-6)

146-168(6-7)

168-208(7-8)

 

75

5c

1

2

3

168-187(65/8-73/8)

187-203(73/8-8)

216-219(81/2-85/8)

 

75

55

5d

1

2

 

216-244(81/2-95/8)

270-273(105/8-103/4)

55

5e

1

2

298(113/4)

324(123/4)

 

55

5el

1

2

273(103/4)

298(113/4)

 

55

5e3

1

330(13)

340(133/8)

 

55

Copyright 2012-2013 Dongying Kaihao Petroleum Equipment Co. ,Ltd. All Rights Reserved ICP NUMBER: 10201945 TECH SUPPORT:Tian Yu Zhi Neng