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 We began as a manufacturer of diesel engine starters over 20 years ago under
the name of Pneumatic Systems, Inc. PSI’s design heritage of providing rugged and
durable components for large capacity engines has continued today in the design of
PSI’s dependable vane air motors. For example, the same shock load factors used in
starter component design has endured in our air motor designs. Shock and vibration, two of
the most damaging effects from air motor use, are primary design considerations we have
taken to ensure durability, especially in heavy duty tool applications -- such as tools
used on oil drilling rigs. In addition to the strict heavy duty design requirements, we
have designed and constructed PSI’s air motors based on the theme of simplicity. So
simple that, normally, any maintenance required on our air motors can be done in the field
without sending the motor back to the factory. Today our motors are used in a diverse
range of applications from the aerospace industry to automotive, chemical, mining,
petroleum, and all sorts of other processing and manufacturing industries.
We have enjoyed designing this Web site with our customers in mind. Our goal is to make the air motor selection process as painless and simple as possible, as well as providing confidence to the customer that the best possible PSI air motor has been selected. We welcome any comments or inquiries regarding this Web site. You may contact us by clicking on "Inquiries". For more information or questions, please call Toll Free (800)392-3602 or contact sales@psiautomation.com.
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PSI
Automation sells bi-directional and uni-directional motors ranging from 1/4 hp to as much
as 70 hp. We offer torque ratings from 4 to 40,000 ft-lb. and speeds as low as 1 rpm to as
high as 7000 rpm. Custom motors with special gear ratios or shafts are our niche. If you
don’t find the torque, rpm, shaft diameter or length you need on our standard list of
model numbers, please inquire with our sales department - quantity doesn’t matter.
Various options of mounting styles are standard such as NEMA C-Face and SAE flange mounts,
foot mounts, and custom mounts are available as well. Our motors are constructed with
corrosion resistant materials such as lightweight aluminum housings, stainless steel
shafts and rotors, and hard chrome plated sleeves. We can even provide you with all the
properly sized components needed to make your air motor system run trouble-free (click on
Control Systems). 
