Dellner launches Buel STL electrohydraulic braking system

The system combines elements from Dellner Brakes STL systems with Pintsch Bubenzer’s Buel electrohydraulic thruster / power package

Electrohydraulic braking system, Dellner, Pintsch Bubenzer, Ship propeller


Dellner Brakes has launched the Buel stopping, turning and locking (STL) system, a ‘plug and play’ electrohydraulic braking system which provides a compact, self-contained solution for stopping, turning and locking ship propeller shafts on vessels of all sizes, as well as for industrial applications.

The system combines elements from Dellner Brakes STL systems with Pintsch Bubenzer’s patented Buel electrohydraulic thruster / power package which the Dellner Group acquired in January this year. At its simplest, the new system combines a Pintsch Bubenzer Buel Model G, delivering up to 240 bar of pressure, with a Dellner disc brake offering stopping torque of up to 1,026 kN. Customers can then choose to add a Dellner locking device that, available with hydraulic, electric or manual power, can deliver locking force of up to 1,000 kN. Customers requiring a full STL system can then also add a Dellner electrical continuous turning device , which uses an electric gear wheel to move the brake disc and attached shaft to any position, forwards and backwards, or turn the disc continuously, all with variable speed and torque of up to 119 kN.

The stopping, turning and locking functions can be operated individually or as a fully automated system, according to customers’ requirements. Various options are available for the system interface, from manual hand operation to electronic control panels and even remote wireless operation through a smart phone or tablet.

Dellner Brakes’ STL systems fit around the ship propeller shaft to enable faster directional changes with maximum manoeuvrability. They also help lower fuel consumption, reduce load on propulsion systems, and make routine maintenance quicker, easier and safer. Securing the propeller prevents damage to the shaft and bearings if the vessel is drifting or buffeted by waves. It also allows ROVs and divers to operate around the propeller blades in safety. When in harbour, using the turning function to rotate the propeller can also help to reduce marine growth on the blades and lubricated shaft bearings.

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PMV Middle East - March 2019

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