The Tri-Pro pneumatic actuators are designed to
provide compact, reliable and economical powered
operation for all types of quarter turn valves.
The motors conform to the latest European and
International standard - EN ISO 5211, preferred
dimensions.

The simple, lightweight design and high quality
construction makes them suitable for use in the
most demanding application areas. Designed
with safety as paramount, the motors minimise
the potential for internal corrosion - one of the
most likely causes of performance deterioration.

The motors use the well proven double rack and
pinion concept and are available in either
Double Acting or Spring Return configurations.

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