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SDD型吊钳是钻井作业过程中各类管柱和工具上、卸扣的必备工具，通过变换扣合钳头和扣合台阶，可满足不同尺寸管径上、卸扣的需要。适用管径：4-17in；最大扭矩：135kN.m；产品按API Spec 7K规范要求设计、制造。
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扣合钳号 |
轴销孔号 |
扣合台阶 |
扣合管径 |
额定扭矩 |
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in |
mm |
lb·ft |
kN·m |
|
1# |
I |
1 |
4-51/2 |
101.6-139.7 |
100,000
|
140 |
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2 |
51/2-53/4 |
139.7-146 |
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II |
1 |
51/2-65/8 |
139.7-168.3 |
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2 |
61/2-71/4 |
165.1-184.2 |
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III |
1 |
65/8-75/8 |
168.3-193.7 |
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2 |
73/4-81/2 |
196.9-215.9 |
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2# |
I |
1 |
81/2-9 |
215.9-228.6 |
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2 |
91/2-103/4 |
241.3-273 |
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II |
2 |
103/4-12 |
273-304.8 |
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3# |
I |
1 |
12-123/4 |
304.8-323.8 |
70,000
|
100
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II |
1 |
133/8-14 |
339.7-355.6 |
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2 |
15 |
381 |
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4# |
II |
1 |
153/4 |
400 |
60,000
|
80 |
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5# |
II |
1 |
16 |
406.4 |
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2 |
17 |
431.8 | |
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