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Air Torque Actuators

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The Air Torque actuator is manufactured, assembled & tested in Bergamo Italy to highest of international standards and approvals. In a little over 20 years since the company was founded in 1990, the Air Torque brand of aluminium, rack & pinion and scotch yoke pneumatic actuators have become known worldwide for their high quality and reliability, with 100% of all manufacturing and construction materials sourced within Western European Countries.

All Air Torque Pneumatic Actuators are continuously tested to 4 Million cycles, ensuring a trouble free experience and fit and forget solution that comes with Manufacturers warranty as standard for correctly specified applications.

Function: Spring Return, Double Acting
Body Material: Anodized Aluminium, PTFE Coating, Epoxy Coating, Corrosion Resistant Carbon Steel
Rotation: 90°, 120°, 135°, 180°
Torque Levels: 8-60,000 NM
Temperatures: -55°C to +320°C
Operating Media: Dry/Lubricated Air, Inert/Non Corrosive Gases, Hydraulic
Pressure Rating: Max 10 Bar-Pneumatic (145 PSI) Max 210 Bar-Hydraulic (3045 PSI)
Certifications: SIL3 IEC 61508, ATEX 94/9/EC, GOST, GOST-R, EN 60529 IEC 529, ISO 9001


Rack And Pinion Air Torque Pneumatic Actuators:

Available in both Spring return & double acting units (18 in total) the Air Torque actuator rack and pinion unit can achieve torque output figures reaching 10,000 Nm and in doing so, overpowering almost any other pneumatic actuator in its class.

The extruded aluminium body of the Air Torque Actuator comes as standard with internal and external corrosion protective coatings to ensure maximum life expectancy from the units. The Dual Piston Rack & Pinion Design forms part of the compact, robust and symmetrical mounting position. The reverse operation of the actuator can be achieved without unnecessary and time consuming returns to the manufacturer in field simply by inverting the pistons.

Modular, spring loaded cartridge designs for fail safe actuators offer a coated spring protection providing a greater level of corrosive resistance and end of line safety.High and low temperature versions allow the Air Torque Actuator to excel in even the harshest of environments with Stainless Steel & Epoxy Coated options completing the range. Non standard 120, 135 & 180 Degree options, again in both spring return and double acting are available for applications that require this particular setup.

In-field, technical expertise & experience for product development has led to the Airtorque actuator securing a list of International Patents & Quality Approvals which include Atex 94/9EC, SIL3 IEC 61508 & ISO 9001-2000.

Also incorporating a universal Anti-Blowout drive shaft it is not hard to see why the Air Torque actuator is the  preferred choice to some leading, global manufacturers including the likes of Unilever, Shell & Castrol.

Scotch Yoke Air Torque Pneumatic Actuators:

Scotch Yoke Air Torque Actuators are designed to operate in the harshest, most demanding industry applications and environments where functionality and reliability are required throughout the complete cycle of valve automation. Predominantly used for larger sized Ball & Butterfly Valves the Scotch Yoke Actuator offers 90° quarter turn, on off operation by converting linear movement to rotary action through the internal driving cylinder and scotch yoke mechanism with high start and end torque output up to 60,000NM.  This in turn transmits power continuously and precisely to perform the operation of the Ball or Butterfly Vale. The ATHD Air Torque Scotch Yoke Actuator is a compact, lightweight and economical unit bringing reliability and low maintenance to industries where it is needed most and offering long, un-interrupted service. Available in both Spring Return & Double Acting units setup can be arranged in either the fail safe open or closed positions, returning the the actuator and valve position to the required safety location in the event of a power failure.