Braking range highlights new capabilities for Dellner

The range combines Dellner's turning and locking system with a hydraulic power pack developed by recently acquired company Pintsch Bubenzer (credit: Dellner Brakes) The range combines Dellner's turning and locking system with a hydraulic power pack developed by recently acquired company Pintsch Bubenzer (credit: Dellner Brakes)

Dellner Brakes has launched a new range of brakes that harnesses engineering expertise from its Swedish business and German sister company Pintsch Bubenzer.

The Buel STL systems are compact, self-contained solutions for stopping, turning and locking (STL) ship propeller shafts on vessels of all sizes. They combine elements from Delner’s STL technologies with the Buel electrohydraulic thruster and power package developed by Pintsch Bubenzer, which was acquired by Dellner earlier in the year.

The compact systems require no external piping, are easy to install and are cheaper and more environmentally friendly than other systems, with the Buel technology using only half a litre of high performance synthetic oil, compared to seven litres of hydraulic oil in standard hydraulic power units.

Marcus Aberg, CEO, Dellner Brakes, said: “The new Buel STL is the perfect solution for customers looking for a high performance, self-contained braking system that’s simple to fit and operate. We are confident this will be the first of many co-operations between Dellner Brakes and Pintsch Bubenzer.”

The simplest system combines a Buel Model G, delivering up to 240 bar of pressure, with a powerful disc brake offering stopping torque of up to 1,026kN. Customers can then choose to add a locking device - available with hydraulic, electric or manual power - that can deliver locking force of up to 1,000kN.

Customers requiring a full STL system can add an electrical continuous turning device, which uses an electric gear wheel to move the brake disc and attached shaft to any position or turn the disc continuously, with variable speed and torque of up to 119kN.

Braking systems enable faster directional changes as well as minimising load on the propulsion system and making maintenance easier and safer. Securing the propeller prevents damage to the shaft and bearings if the vessel is drifting or buffeted by waves and allows ROVs and divers to operate safely around the propeller blades. Rotating the propeller can also help to reduce marine growth.

In related news, Dellner has acquired JHS Jungblut, a German company specialising in braking systems for the wind turbine market.

Aberg said: “Our acquisition of JHS will help us consolidate our position in this important and growing sector, complementing our existing core markets of marine, industrial, cranes and winches, oil and gas.”

The merged company will operate as Dellner Brakes JHS.

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