About us

The VULKAN Group, founded in 1889 is composed of 3 divisions: VULKAN Couplings, VULKAN Drive Tech and VULKAN Lokring. Our 1.200 employees work at 18 sites around the world, in addition to our representative agents covering 51 countries. We operate with (05) international manufacturing plants located in Germany, United States, China, Brazil and India. At DRC MINING we will be with our VULKAN Drive Tech division. Industrial drive solutions of VULKAN Drive Tech have been setting standards in terms of performance and reliability in the harshest conditions.

The horizontal integration of the portfolio creates a multiple added value for the customer:

FLEXIBLE COUPLINGS, RIGID COUPLINGS, BRAKING SYSTEMS, BACKSTOPS, RAIL CLAMPS AND RESILIENT MOUNTS, are all available from a single source, as a standard solution as well as individually tailored. This guarantees an optimally tuned system environment and saves time and money in the selection of the supplier and in the coordination of the project.

Products and services

The integration of VULKAN Drive Tech portfolio creates a multiple added value for the customer: COUPLINGS, BRAKING SYSTEMS, BACKSTOPS, RAIL CLAMPS AND RESILIENT MOUNTS, are all available from a single source. Within the Mining industry, crushers, mills, separators and agitators are typical heavy duty machinery whose drives are characterized by shock loads and dynamic displacement of large masses with big inertias. Fluid Couplings for soft starting of the machinery, Gear Couplings for low speed shaft applications, Electrohydraulic Brakes and Mounts are typical products used for these applications. The Conveyors also require safety equipment, for these purposes either Backstops or Braking Systems must be properly selected to withstand the most critical working conditions. Motor starting torque, run back torque, conveyor stopping time and speed, are just a few mandatory variables to be considered regarding Couplings, Backstops and Braking System design, all part of our product portfolio.


Nominal Torque Range
3600 Nm - 644400 Nm

Rotational Speed
650 RPM - 7000 RPM

Product Description
Torsional flexible coupling that is equipped with an elastic element working in compression. Suitable for motion reversals and multidirectional flexibility.

Low speed shaft of machinery driven by electric motor and harsh environments.

Further reading


Nominal Torque Range
62 Nm – 578000 Nm

Rotational Speed
95 RPM - 7000 RPM

Product Description
High speed and low speed backstop with sprag lift off and roller ramps design. Available either with or without radial support bearings and a reaction torque arm.

High speed shafts and low speed shafts of machinery driven by electric motors and requiring freewheeling, indexing or backstop functions.

Further reading


Nominal Braking Torque Range
1150 Nm - 622050 Nm

Fail-safe and positive brake, available in either mono-spring or dual spring design. Can be customised with a wide range of accessories including brake status sensors, pads wearing sensor and 5 different types of hydraulic power packs to tune the proportional braking of the callipers. Its main Applications: service, parking and emergency brakes, requiring proportional braking or high braking torque values.

VULKAN Drive Tech
4 Sedgewick Road -Founders View South
1609 Lethabong, Edenvale
South Africa

Phone: +27 21 5515194
Internet: www.vulkan.com
E-mail: Send message

Contact person

Elisangela Santos Melo
Marketing Director
Phone: +55 11 996192808
E-mail: Send message

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