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Upgrades & Engineered solutions

Pumpable Resin System for Dual Controls jumbos

Sandvik Pumpable Resin System (PRS) for mining jumbos improves safety and enables faster cycle time in the bolting rock support process. It is fully tested and optimzed for Mineral Bolt urea-silicate resin.

  • Description

    The system enables the Sandvik Dual Controls jumbos to perform bolting operations effectively. Sandvik DD422i/iE Dual Controls can drill holes using the left
    boom and execute resin bolting using the right boom, with bolting tools mounted on
    the right boom.

    The resin pumping and grouting process is fully controlled and monitored through the operator display. The resin flow is supervised with two resin flow meters. The default ratio is 50:50. The speed of the grout pipe can be controlled based on hole diameter.
    The system includes bolt loading from a safer area and enhanced safety features such as boom movement prevention, access protection and clear status indicators.

    It is fully tested and optimzed for Mineral Bolt urea-silicate resin and is compatible with the DSI Hollow Bar System, Sandvik solid rebar bolts, and Sandvik dynamic solid bolts.

  • Advantages

    -The system allows drilling holes using the left boom and executing resin bolting using the right boom.
    -The resin pumping and grouting process is fully controlled and monitored through the operator display.
    -It is fully tested and optimized for Mineral Bolt urea-silicate resin.

  • Customer values

    -Increase productivity by shortening the resin grouted bolt installation process.
    -Improve safety with completely sealed resin system.
    -Provide operator comfort with full control and monitoring through the operator display.

Product specifications

Application area
Productivity improvement
Underground drill rigs & Bolters