Description:
Our company produce the master bushings and insert bowls with the size from 17 1/2to 37 1/2 inch.
Features:
Slip drive may locate in roller bushing of API standard Kelly or hexagonal Kelly, either long or short slip is usable.
Gear and pinion are made of alloy steel
Split main bushing is steel cast. Kelly drive and slip drive are available for choose.
Match with API standard casing bushing and special lifting tool
Technical Parameter:
Model | ZP175 | ZP520 | ZP205 | ZP275 | ZP375 |
Through-hole diameter mm(in) | 444.5(171/2) | 520.7(201/2) | 520.7(201/2) | 698.5(271/2) | 952.5(371/2) |
Centre to centre mm(in) | 1118(44) | 1353(531/4) | 1353(531/4) | 1353(531/4) | 1353(531/4) |
Max static load KN | 2700 | 1960 | 3150 | 4540 | 5850 |
Max working torque Nm | 13729 | - | 22555 | 27459 | 32362 |
Max RPM r/min | 350 | 300 | 300 | 300 | 300 |
Gear ratio | 3.75 | 3.22 | 3.22 | 3.67 | 3.56 |
overall dimensions (length*width*height)mm mm | 1974×1366×560 | 2238×1440×705 | 2292×1475×668 | 2392×1670×685 | 2468×1810×718 |
Weight kg | 3888 | 4500 | 5530 | 6122 | 7970 |
