Compact polyactuators the ideal solution


Tiny pneumatic actuators are the ideal solution for food, packaging and hygiene-sensitive materials handling applications.

Air Springs Supply Pty Ltd offers a wide range of actuators that can exert forces of more than .45kN @ 3.5 bar yet last for millions of cycles in demanding environments.

Firestone 70-P-13 Airomatic Polyactuators – the most compact pneumatic actuator Air Springs has ever introduced to Australasia – stand just 16mm high deflated yet have a stroke of more than 12.5mm.

“When used in gravity conveyor lines, for example, these tough moulded plastic actuators offer major benefits of affordability, cleanliness, compact installation and trouble-free performance,” says Air Springs Supply Sales Manager James Maslin.

“They maintain their full structural integrity, flexibility and shape over extended periods of service – they require no maintenance and are not prone to the problem of actuator ‘set’, when an actuator builds up a resistance over time to extending and contracting to its full original specifications, says Mr Maslin. 

“They are also easy to clean and – unlike some actuators containing seals and rods – are not prone to leaking of compressed air due to wear in these areas. The same lack of seals and rods also help make them ideal for frequent washdowns in hygiene-sensitive applications, because they tolerate cleaning without damage and without trapping particles in complex structures. They are very simple in shape and structure.”

Airomatic Polyactuators are one of the latest and the smallest member of a Firestone actuator and isolator family that includes Airstroke actuators and Airmount isolators in individual stroke capacities up to 40,000kg and measuring up to a metre across.

The tiny Airomatic, with a diameter of just 76mm, is just as tough as its larger counterparts.

Fabricated of moulded plastic elements welded together in a sealed unit, it is easily customizable to meet specific sizes and shapes for a wide variety of materials handling and processing applications, including conveyors.

“Firestone developed the Airomatic Polyactuators to satisfy the need for very small spaces and light forces,” says Mr Maslin.

“Because these highly compact actuators have no pistons, rods or sliding seals, they don’t have any problems arising from friction, bending, scoring and wear in these areas. Firestone engineered these actuators to be as robust and reliable as their larger air springs, which have been proven over decades in Australasian industrial environments. Polyactuators will last for literally millions of cycles without product failure or performance degradation.”

Originally designed for the conveyor industry, the actuators assist in conveyor transfer sections and roller brakes, but can be used in almost any application requiring very small pressure and stroke.

Firestone Industrial Products (for which Air Springs is Australian national distributor) manufactures the world’s best-selling air spring range. Its Airstroke actuators and Airmount isolators are used in materials handling applications worldwide. 

Air Springs Supply Pty Ltd
Ph: 02 9807 4077

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