News Release from M-PT Matjeschk-PowerTools GmbH & Co. KG


Wind Industry Profile of

M-PT: Electric angle series MV-RAD 90 ° for hard-to-reach bolts

With the right torque wrench, both speed and process reliability can be ensured in the assembly and maintenance of wind turbines. We recommend electric or battery-powered torque wrenches to manufacturers and service companies in the wind industry, because there are clear advantages over hydraulic torque wrenches.

Bolts that are difficult to access can be reached with the angular gear of the MV-RAD 90° (Image: M-PT)Bolts that are difficult to access can be reached with the angular gear of the MV-RAD 90° (Image: M-PT)

The electric angle series MV-RAD 90° from M-PT Matjeschk-PowerTools even solves assembly problems in difficult places, precisely and ergonomically.

Combine high accuracy in assembly with ergonomics in the workplace

The increasing number of bolt connections on wind turbines brings the issue of speed ever more into focus. With a repeat accuracy of ±3,0%, a torque/angle controlled shut-off and a torque control even in counter-clockwise rotation, the electric torque wrench of the MV-RAD 90° series enables precise bolt connections. The electric torque wrench is up to 60% faster than a hydraulic torque wrench. The torque range from 65 to 11.000Nm covers a wide range of applications. Thanks to the angle function, assembly problems in hard-to-reach places can be avoided effortlessly and ergonomically. The MV-RAD 90° is not only handy, but also impresses with its low weight. Carrying and transporting the power pump of a hydraulic torque wrench, on the other hand, makes work on a wind turbine extremely difficult.

Increase process reliability with innovative software

Due to environmental influences and mechanical loads, bolt connections are changing. Bolts come loose and the safety of the wind turbine is no longer ensured. Therefore, bolt connections have to be checked and maintained in a defined time period. The MV-RAD 90° is particularly suitable for this maintenance work. Equipped with the Torque Check Function developed by M-PT, the tool can check tightened bolt connections without further turning the bolt. In contrast to conventional electric torque wrenches, the bolt connection is not changed and over-tightening of already tight connections is prevented.

In combination with the Documentation System, the MV-RAD 90° digitally records the most important parameters, including torque (target/actual), angle (target/actual), limit settings for torque and angle, number of bolts, mains voltage and the name of the operator. The data can be transferred to a PC via Bluetooth for evaluation. Detailed data logging of the bolting work ensures safety and quality.


M-PT Matjeschk-PowerTools – RAD Torque Systems in Germany

We support companies with the planning, installation and maintenance of wind turbines. The quality management requirements of our customers and our practical daily experience of assembly work from the basis of research and development at M-PT. The internationally renowned manufacturer RAD Torque Systems has authorized M-PT to be the sole German sales and service partner for its products.

We offer sales and rental, as well as repairs and calibration.


We are exhibiting at HUSUM Wind 2021! Visit us in hall 2 - booth 2C16.

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M-PT, hydraulic, wrench, bolts, ergonomics, RAD, torque wrench, turbine, wind industry

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