KW-75 and KW-120 air slips are available for drilling rig with the drilling depth within 6,560ft (2000m). Compared with similar products, it is featured by small size, light weight, strong load capacity, convenient operation (pneumatically or manually), flexible startup, safe and reliable application.
Air slip is installed in the rotary table. Four (4) beveled slots are equipped on four (4) inner walls of slip seat respectively and four (4) slip bodies is raised and lowered along the beveled slot. Slip can be drawn in tight while lowering along the bevel slot and clamp the drill pipe; on the contrary slip can separate outwardly and loose the drill pipe. The raising and lowering for slip is accomplished by cylinder through yoke.
Main Parameters
| Model |
KW-75 |
KW-120 |
| Rated load kN |
750 |
1200 |
| Nominal size of pipes in. |
2-3/8″，2-7/8″，3-1/2″ |
2-3/8″，2-7/8″，3-1/2″，4″，4-1/2″，5″ |
| Rated WP of cylinder psi(MPa) |
85.8～143(0.6～1.0) |
85.8～133(0.6～0.93) |
| Overall dimensions in.(mm) |
22.4×18.11×17.72(570×460×450) |
29.13×23.62×17.72(740×600×450) |
| Weight lb(kg) |
375.89(170.5) |
859.8(390) |
