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"
Model | ZP175 | ZP205 | ZP275 | ZP375 | ZP495 |
Opening dia. mm (in) | 444.5 (17 1/2) | 520.7 (20 1/2) | 698.5 (27 1/2) | 952.5 (37 1/2) | 1257.3 (49 1/2) |
Max. static load kN | 2250 | 3150 | 4500 | 5850 | 7200 |
Distance between rotary center and the teeth center of inner sprocket mm (in) | 1118 (44) | 1353 (53 1/4) | 1353 (53 1/4) | 1353 (53 1/4) | 1651 (53 1/4) |
Max. working torque Nm | 14000 | 23000 | 28000 | 33000 | 37000 |
Max. speed rpm | 300 | 350 | 300 | 300 | 300 |
Gear ration | 3.58 | 3.22 | 3.67 | 3.56 | 3.93 |
Weight kg | 3888 | 5530 | 6203 | 8026 | 11626 |


Model | Rotary table size(in) | Insert bowl | Tubulars OD(in) |
MSS(Solid) | 17 1/2-23 | Insert bowl 1011 | 2 3/8-7 5/8 |
Extended insert bowl 1024 | 2 3/8-8 5/8 | ||
27-1/2 | Insert bowl 1022 | 2 3/8-7 5/8 | |
Extended insert bowl 1025 | 2 3/8-8 5/8 | ||
Insert bowl 1026 | 9 5/8-10 3/4 | ||
Insert bowl 2002 | 11 3/4-13 3/8 | ||
MSS(Split) | 17 1/2-27 1/2 | - | 2 3/8-7 5/8 |
MSPC(Solid) | 20 1/2-22 1/2 | Insert bowl 1809 | 2 3/8-8 5/8 |
Insert bowl 1902 | 9 5/8-10 3/4 | ||
Master bushing1805-1 | 11 3/4-13 3/8 | ||
Master bushing19333 | 11 3/4-13 3/8 | ||
23-27 1/2 | No.3 Insert bowl 1810 | 2 3/8-8 5/8 | |
No.2 Insert bowl 1904 | 9 5/8-10 3/4 | ||
No.1 Insert bowl 1903 | 11 3/4-13 3/8 | ||
MDSP(Split) | 17 1/2-20 1/2 | - | 2 3/8-8 5/8 |
MSP(Split) | 27 1/2 | - | 2 3/8-8 5/8 |
MPCH | 37 1/2 | No.3 Insert bowl 6608 | 2 3/8-8 5/8 |
No.2 Insert bowl 6609 | 9 5/8-10 3/4 | ||
No.1 Insert bowl 6610 | 11 3/4-13 3/8 | ||
49 1/2 | MPCH37 1/2 | 2 3/8-13 3/8 |



Our business scope includes oilfield equipment supply, such as, drilling equipment and spares, wellhead equipment ,oil recovery equipment.
We have been served Sinopec -Shengli oilfield in the last 19 years, established a solid partnership and network with quality OEM factories.
Based on our responsive and responsible engineering & commercial team, we can provide one-stop shop service to our customer, and package plan of procurement which brings added value in terms of delivery time, fair prices, inventory in stock.
We are Looking forward to build up partnership with your company and provide our attentive service to you.




1) About Packing Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment: We accept T/T,L/C
3)Terms of Shipment: About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment: Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee: One year since delivery.
6)Inspection: 100% testing before delivery.
