Soilmec
Control valve for Soilmec R516
This control valve manages the rotary unit and spin-off function for the 406mm kelly bar on Soilmec R516 drilling rigs. The component, part number 0123 2140, regulates hydraulic flow and pressure to ensure precise rotation and torque control during drilling operations.
Compatible models
Specifications
- Part number
- 0123 2140
- Brand
- Soilmec
The control valve assembly functions as the hydraulic interface for the rotary unit of the drilling rig. It regulates the flow and pressure of hydraulic fluid directed to the kelly bar drive system, allowing the operator to manage rotational speed, torque output, and the spin-off mechanism. This unit is specifically engineered to integrate with the hydraulic circuit of the Soilmec R516, ensuring that the drilling tool responds accurately to operator inputs during foundation work.
This component is compatible with the Soilmec R516 and is designed for use with a 406mm outer diameter kelly bar. It includes the necessary internal valving to facilitate the spin-off function, which allows for the rapid disconnection of drilling tools. By maintaining the correct hydraulic parameters, this assembly supports the operational requirements of the drilling rig in various soil conditions.
In hydraulic drilling systems, control valves of this type manage the distribution of pressurized fluid to the rotary drive motors. They incorporate directional and relief valve functions to protect the system from pressure spikes while providing the modulation required for smooth drilling and tool extraction cycles.

