API 7K wellhead tools type DU Drill Collar Slips and safety clamp
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
The Safety Clamp consists of individual links, flexibly hinged together. Each link has a separate tapered slip which acts as a gripping member, much like a tapered rotary slip, and each slip is held in a retracted position on the taper by spring tension.
When the clamp is tightened, each small slip takes a firm initial grip on the surface of the pipe. Should the pipe start to fall, or should load increase occur against the slips, the taper mounting causes each slip to wedge tighter against the surface of the pipe to increase the grip or lock the pipe against further movement.
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
| Type | Pipe O.D(in) | No. of Chain Links |
| WA-C | 3 1/2-4 5/8 | 7 |
| 4 1/2- 5 5/8 | 8 | |
| 5 1/2-6 5/8 | 9 | |
| 6 1/2- 7 5/8 | 10 | |
| 7 1/2-8 5/8 | 11 | |
| 8 1/2- 9 5/8 | 12 | |
| 9 1/2- 10 5/8 | 13 | |
| 10 1/2-11 5/8 | 14 | |
| 11 1/2-12 5/8 | 15 | |
| 12 1/2- 13 5/8 | 16 | |
| 13 1/2- 14 5/8 | 17 | |
| 14 1/2- 15 5/8 | 18 |
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
| Type | Pipe O.D(in) | No. of Chain Links |
| WA-T | 1 1/8-2 | 4 |
| 2 1/8-3 1/4 | 5 | |
| 3 1/2-4 1/2 | 6 |
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
API 7K wellhead tools type DU Drill Collar Slips and safety clamp
Jessica Zhao Business Manager
Mob/ WhatsApp/ Wechat/ Skype: +86 152 5467 2819
Dongying Sino Petroleum Machinery Co., Ltd.
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