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DEPRAG is a German air motor manufacturer with over 75 years experience in the manufacture of high quality air tools and air motors. A large range of standard motors are available from 20 W up to 18 kW with or without gearboxes, also including stainless steel bodied motors. Custom-made motors are also available upon request. |
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Discussion of air motors: Download Catalogue  English Frequently, air motors are not considered because their high energy consumption is seen as a major disadvantage. In reality when compared with the total cost of the machine the energy consumption plays only a minor role, especially when small motors with low duty cycles are used. Unfortunately the many advantages of air motors are also often forgotten. The fact that the air motor has asserted itself as an essential alternative in the entire drive technology emphasises its numerous advantages. The main advantage of the air motor is its high performance density, which is only 1/5th the weight or 1/3 the size of an electric motor with comparable performance. This is not only important in hand held machines, but also in CNC and robotic applications. The air motor can be stressed to a full standstill and even tolerates a negative turn direction without damage. The motor will start again as soon as the load is reduced. Through the expansion of compressed air, the motor is always kept cool while under load. Overheating through over-load is practically impossible. In principle the air motor is a safe drive type. There is virtually no fire danger due to over load and motors can even be run under water with no danger of fire or electrocution. Large expensive explosion proof electric motors are not always necessary. Air motors are extremely robust and any necessary repairs can be carried out easily and safely by a trained maintenance person. Please go to the Downloads page for Catalogues |
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