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The safety clamps are designed for coupling and uncoupling in oil natural gas drilling operation .It can prevent the drill tolls form shipping down .When changing the working range ,it is only necessary to adjust the No. of chain links.
Type | Pipe for O.D | No. of chain links | Weight | ||
mm | in | kg | lb | ||
WA-T | 28.6-50.8 | 1.1/8-2 | 4 | 16.3 | 36 |
54-82.6 | 2.1/8-3.1/4 | 5 | 18.2 | 40 | |
88.9-114.3 | 3.1/2-4.1/2 | 6 | 20.0 | 44 | |
WA-C | 88.9-117.5 | 3 1/2-4 5/8 | 7 | 20.9 | 46 |
114.3-142.9 | 4 1/2-5 5/8 | 8 | 25.0 | 55 | |
139.7-168.3 | 5 1/2-6 5/8 | 9 | 27.7 | 61 | |
165.1-193.7 | 6 1/2-7 5/8 | 10 | 29.1 | 64 | |
190.5-219.1 | 7 1/2-8 5/8 | 11 | 31.3 | 69 | |
215.9-244.5 | 8 1/2-9 5/8 | 12 | 32.7 | 72 | |
241.3-269.9 | 9 1/2-10 5/8 | 13 | 40.0 | 88 | |
266.7-295.3 | 10 1/2-11 5/8 | 14 | 41.8 | 92 | |
292.1-320.7 | 11 1/2-12 5/8 | 15 | 44.0 | 97 | |
317..5-346.1 | 12 1/2-13 5/8 | 16 | 46.3 | 102 | |
342.9-371.5 | 13 1/2-14 5/8 | 17 | 48.6 | 107 | |
368.3-396.9 | 14 1/2-15 5/8 | 18 | 50.9 | 112 | |
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SAFETY CLAMP