Hook block
* The hook block is designed and manufactured in accordance with API spec 8Cand other related technical standards.
* The loaded parts are made of good-quality alloy steel.
* The traveling block and the hook block are designed integrally with a miniature size and a compact structure, which is suitable for assembly on the truck-mounted drilling rigs.
Main technical specification for hook block
Model |
YG20/35 |
YG30 |
YG60 |
YG70 |
YG80 |
YG90 |
YG110 |
YG135B |
YG160 |
YG160B |
YG180 |
YG225 |
Max hook load (lbs) |
50000/
80000 |
61000 |
130000 |
150000 |
180000 |
200000 |
250000 |
300000 |
350000 |
350000 |
400000 |
500000 |
OD of pulley (in) |
15 3/4/
19 5/8 |
18 3/4 |
24 |
24 |
24 |
30 |
30 |
30 |
30 |
30 |
36 |
36 |
number of pulley |
2(3) |
3 |
4 |
3 |
5 |
3 |
4 |
4 |
5 |
4 |
4 |
5 |
Dia. of the wireline (in) |
3/4 / 7/8 |
1 |
7/8 |
7/8 |
1 |
1 |
1 |
1 |
1 |
1 1/8 |
1 1/4 |
1 1/4 |
Hook type |
Two hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Three hooks |
Open size of the hook mouth (in) |
3 1/2 |
3 3/4 |
4 3/8 |
4 3/8 |
4 3/8 |
4 3/8 |
6 |
6 |
7 |
7 |
71/2 |
71/2 |
Spring stroke (in) |
6 |
6 |
41/2 |
41/2 |
6 |
6 |
6 |
6 |
6 |
6 |
7 |
7 |
Dimension (in) |
L |
45 3/4
/17 3/4 |
88 1/2 |
72 1/2 |
72 1/2 |
88 3/8 |
92 1/2 |
104 |
109 |
124 |
124 |
135 3/4 |
135 3/4 |
W |
15 3/4
/46 3/4 |
19 3/4 |
27 1/4 |
27 1/4 |
26 3/8 |
32 3/4 |
32 1/2 |
32 1/2 |
32 1/2 |
32 1/2 |
38 1/4 |
38 1/4 |
H |
20 3/4
/12 1/4 |
15 3/4 |
18 |
18 |
24 3/4 |
16 1/4 |
19 3/4 |
19 3/4 |
23 3/4 |
28 3/4 |
33 |
33 1/2 |
Weight (lbs) |
732
/1047 |
1080 |
2646 |
2535 |
4740 |
4409 |
5093 |
6266 |
7231 |
7055 |
10207 |
10432 |

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