API Spec 7K Wellhead Tool Manual Tong

API Spec 7K Wellhead Tool Manual TongManual tongs are necessary tools applied to make up and break out pipes, coupling hoop of the drill pipe, joint, casings, casing hoops etc. When raise drill tool u

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API Spec 7K Wellhead Tool Manual Tong


Manual tongs are necessary tools applied to make up and break out pipes, coupling hoop of the drill pipe, joint, casings, casing hoops etc. When raise drill tool up and fall it down,  changing lug jaws and handling shoulders or hole can adjust different handling sizes of the tongs. According to the requirements of the usage different torque’s tongs can be chosen. They are designed and manufactured according to API Spec 7K specification for drilling and well servicing equipment.

 

Tong body is connected with joint pin on the boom and hangs over the well rigs through the balance head and adjustable square head screw. The pipe threads could be tightened or removed as soon as the steel wire rope which is fastened on the tongs line pin has been pulled firmly after the latch and the lug jaw have been looped and the pipes have been held by the tongs head.


图片关键词

Type

Size Range

Rated Torque

in

mm

(kN·m)

Tong Type DB

3 1/2-11 1/4

88.9-286

90

11 3/4-17

298-432

55

Tong Type B

3 3/8-13 3/8

85.7-339.7

55

4 1/8-8

104.8-203.2

75

Tong Type SB

3 1/2-9

88.9-228.6

75

9-11 3/4

228.6-298.5

55

12 3/4-13 3/8

323.8-339.7

40

Tong Type SDD

4-15 3/4

101.6-400

135

12-15

304.8-381

100

16-17

406.4-431.8

80

Tong Type LF

2 3/8-7

60.3-177.8

22

Tong Type C

2 3/8-10 3/4

60.3-273

48

Workover Tongs

2 3/8-10 3/4

60.3-273

35

Tong Type WWC

2 3/8-5 3/4

60.3-146.1

27

5 3/4-8 5/8

146.1-219

20

9 5/8-10 3/4

244.5-273

14

Tong Type WWB

2 3/8-8 5/8

60.3-219

48

9-10 3/4

228.6-273

35

Tong Type AAX

2 3/8-8 5/8

60.3-219

75

9-13 3/8

228.6-339.7

40

Extended Casing Tong

13 3/4-30

339.7-762

35

25 1/2-36

647.7-914.4

55