These series of rotary bushing are suitable for API standard rotary slips, drill collar slips, casing slips,insert bowls and roller bushings, with two structures: solid body and split body. Two drive types are available: pin driven and square driven. It is designed and manufactured according to API Spec 7K “Specification for Drilling Equipment”. These series of rotary bushing are suitable for API standard rotary slips, drill collar slips, casing slips,insert bowls and roller bushings, with two structures: solid body and split body. Two drive types are available: pin driven and square driven. It is designed and manufactured according to API Spec 7K “Specification for Drilling Equipment”
Type |
Applicable type of
Rotatry Table |
Dia.of Holding | |
MSS |
Square type Drive (Split type) |
171/2(18) | 23/8-85/8 |
201/2 | |||
23 | |||
271/2 | |||
Square type Drive (Split type) |
171/2 | ||
201/2 | |||
22 | |||
23 | |||
271/2 | 23/8-103/4 | ||
MSPC |
Pin Drive (Split type) |
201/2 | |
23 | |||
271/2 | 23/8-85/8 | ||
MDSP |
Pin Drive (Split type) |
171/2 | |
18 | |||
201/2 | 23/8-85/8 | ||
MSP | Pin Drive (Split type) | 23 | |
271/2 | 23/8-85/8 | ||
MPCH | Pin Drive | 371/2 | 23/8-133/4 |
Our company can manufacture master bushings and insert bowls sizing from 17.1/2 to 49.1/2inch. They are cast with high-quality alloy steel and the sizes conform to API Spec 7K. There are two types, pin drive and square drive. API standard rotary slips, drill collar slips, casing ...