Pneumatic cylinders handle large temperature range
A
Parker-Origa product story
Edited by the Engineeringtalk editorial team
Aug 22, 2007
Automatic temperature compensation is provided to the inner band of the seal so that it adjusts for thermal expansion and contraction, while maintaining an airtight seal.
Hoerbiger-Origa has expanded the range of applications for its range of rodless pneumatic cylinders by developing a new version that offers temperature compensation so that they can be used in extreme heat or cold.
Rodless cylinders have proven to be one of the most popular and reliable ways of providing linear motion, and as such there are many engineers wishing to use them in somewhat unusual circumstances.
One such application is bus, tram and train doors, which can be exposed to tremendous temperature variations.
The new units are based on the proven Origa OSPP range, and are available in the standard sizes of 25, 32, 40 and 80mm bore.
They include a sliding seal arrangement so that the air-driven piston can be connected directly to the load.
Automatic temperature compensation is provided to the inner band of the seal so that it adjusts for thermal expansion and contraction, while maintaining an airtight seal.
As with all Hoerbiger-Origa actuators the external dimensions are absolutely standardised, so that they can be swapped out simply by undoing the mounting bolts.
They are maintenance-free and can be used as structural elements within their application.
The temperature compensating actuators have a total range of -40C to +120C, although special seals are required for duties below -10C or above +80C.
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Contact Parker-Origa
Tel (UK) 08700 600 655
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