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R-250 Reversible Chain-Driven Rotary Table
About the product
The R-250 Reversible Drilling Rotary Table is designed for rotating the drilling assembly and supporting the weight of the pipe string during well workover operations on A50M-type units, driven by a chain drive and supplied complete with a reversible reducer
- Through Hole, mm
- 250
- Load Capacity, tf
- 80
- Torque, kgf·m
- 500
Technical specifications
| Parameter | Value |
|---|---|
| Static load capacity, kN (tf) | 197 (20) |
| — with fixed table installed | 785 (80) |
| Maximum torque on the rotor table, Nm (kgf·m) | 4900 (500) |
| Through bore diameter, mm | 250 |
| Rotor table speed with reversing gearbox, rpm | 11.6 / 235 |
| Rotor drive | Chain drive (2PR-44.45-344, GOST 13568-75) |
| Bushing opening dimensions, mm | |
| — large bushing | 182×182 |
| — small bushing | 82×82 |
| Overall dimensions, mm, max. | |
| — length | 1900 |
| — width | 1150 |
| — height | 600 |
| Rotor weight, kg, max. | 800 |
Compatible with KGOM No. 3 insert upon request.
Description
The R-250 reversible drilling rotary table is designed for rotating drilling tools and supporting the drill string during major well workover operations on A50M-type servicing units. It is chain-driven and supplied complete with a reversing gearbox. The direction of rotor rotation is changed manually using the reversing gearbox control lever.
This rotary table model is also equipped with a drilling fluid spill containment system consisting of a peripheral fluid collection tray and a bottom collection sump with a drain outlet.
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R-250 Reversible Chain-Driven Rotary Table
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