Pneumatic Actuators account for a major part of our Valve Actuation service and provide High Force & Speed rivalled only to Hydraulic. Pneumatic Actuators may also be your preferred option to Electric Actuators for applications where continuous motion/modulating use is required. They are easy to maintain and install, with an initial lower cost than that of an electric equivalent. From over 25 years of supply, we are yet to experience a single failure. With specifications for all industries and applications from stock, make Actuation Valve your first choice for all Pneumatic Actuation services.

Rack and pinion actuators form part of the linear actuation range that converts linear motion to rotary enabling on/off and variable control of quarter turn ball, butterfly and plug valves. This rotary action is achieved through the use of double integral pistons and racks that drive the connecting pinion. Our range or rack and pinion actuators cover some of the highest qulaity manufacturers throughout the world with approvals to suit all inustries and applications. Actuation Valve offer stand alone units or fully customised actuated valve pacakges with the rack and pinion actuator at the core of the design.

Function:	Spring Return, Double Acting
Body Material:	Anodized Aluminium, PTFE Coating, Epoxy Coating, Stainless Steel
Rotation:	90°, 120°, 135°, 180°
Torque Levels:	4-10,000 NM
Operating Media:	Dry/Lubricated Air, Inert/Non-Corrosive Gases
Pressure Rating:	2.0 Bar (29 PSI) Minimum – 8 Bar (116 PSI) Maximum
Certifications:	SIL3, ATEX 94/9/EC, GOST, GOST-R, EN 60529 IEC 529, TR010

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V-Tork actuators are built for enduring performance in challenging industrial settings. Their durable design allows them to cope with severe conditions, from exposure to corrosive substances to extreme heat and cold. These actuators feature a rack and pinion mechanism for precise valve position control, essential for accurate management of fluid or gas flow.

Function:	Spring Return, Double Acting
Diameter Range (mm):	32 to 400
Weight Range (kg):	0.47 to 283.5
Body Materials:	Aluminium Alloy, 45# Steel, Advanced Polymer, Stainless Steel, NBR, & Spring Steel
Certifications:	ISO 9001:2015, SGC MD 2006/42/EC, ATEX TUV NORD, & Bureau Veritas SIL 3

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The Actreg Pneumatic Actuator is designed to ISO 5211 standards, featuring a star drive for enhanced flexibility and straightforward direct mounting to valve spindles or output shafts. This allows for easy conversion from electric to pneumatic systems. Compact yet powerful, the Actreg Pneumatic Actuator is simple to install and perfectly suited for space-constrained environments requiring high automation, like material handling systems and packaging machines.

Function:	Spring Return, Double Acting
Body Material:	Anodized Aluminium, Epoxy Coating C3 / C4 / C5
Rotation:	90°
Torque Levels:	5-6,500 NM
Operating Media:	Dry/Lubricated Air, Inert/Non-Corrosive Gases
Pressure Rating:	2.5 Bar (36 PSI) Minimum – 8 Bar (116 PSI) Maximum
Certifications:	SIL3, ATEX 94/9/EC, GOST

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A Pneumatic Valve Actuator uses compressed air to generate force and control the movement of a valve. When air pressure is applied, the actuator converts this energy into mechanical motion—either linear (for gate or globe valves) or rotary (for ball, butterfly, or plug valves). Double-acting actuators use air for both opening and closing, while spring-return actuators rely on a spring to return to their default position when air supply is lost. This automation enables precise, efficient, and reliable valve operation in various industrial applications.

ARI-Armaturen offers a wide array of pneumatic actuators engineered for reliable and efficient operation in various industrial environments. These precision-engineered actuators provide exceptional control and high functionality, ensuring optimal performance in valve automation systems. With a focus on quality and durability, ARI-Armaturen's actuators feature innovative designs and are available in several configurations, including double-acting and spring-return models, with various size and pressure options.

Spring Range:	0.2 - 4.5
Air Supply Pressure:	1.2 - 6 Bar
Thrust:	Up to 39250 N
Materials:	DD13+QT, 1.0335+QT (Powder Coated), DD13+QT, 1.0335+QT (C5-M Coated)

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Manufactured and assembled in Bergamo, Italy, the Air Torque actuator meets the highest international standards and approvals. Since its inception in 1990, the brand has gained global recognition for the quality and reliability of its aluminium, rack and pinion, and scotch yoke pneumatic actuators. All materials are sourced exclusively from Western European countries, ensuring top-tier production quality.

Function:	Spring Return, Double Acting
Body Material:	Anodized Aluminium, PTFE Coating, Epoxy Coating, Stainless Steel
Rotation:	90°, 120°, 135°, 180°
Torque Levels:	8-10,000 NM
Operating Media:	Dry/Lubricated Air, Inert/Non-Corrosive Gases
Pressure Rating:	2.5 Bar (36 PSI) Minimum – 8 Bar (116 PSI) Maximum
Certifications:	SIL3 IEC 61508, ATEX 94/9/EC, GOST, GOST-R, EN 60529 IEC 529

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The Hytork XL Rack and Pinion Pneumatic Actuators offer reliable and high-quality pneumatic valve actuation in a compact and cost-effective package. Featuring a sturdy, heavy-duty body, the high-strength aluminium casting shields the actuator from dents, knocks, or severe wear typical in various process industry settings. The modular design of the Hytork XL Range Pneumatic Actuator allows for easy field conversion.

Function:	Spring Return, Double Acting
Body Material:	Powder Coated LM25 Aluminium Casting
Rotation:	90°
Torque Levels:	19-3232NM, (167 to 28500 lbf.in)
Operating Media:	Dry/Lubricated Air, Inert/Non-Corrosive Gases
Pressure Rating:	Max 8.3 Bar-Pneumatic/120 PSI
Certifications:	ATEX, PED, Machine Directive, TR010, SIL

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Elomatic offers dependable pneumatic actuators and high-quality valves, creating an effective actuated valve assembly. Available in both spring return and double-acting combinations, the F-Series rack and pinion quarter turn actuators are designed for modular valve assembly tailored to budget and application needs. A powder-coated finish ensures excellent corrosion resistance against external elements.

Function:	Spring Return, Double Acting
Body Material:	Powder Coated Cast Aluminium
Rotation:	90°
Torque Levels:	12-4100NM, (106 to 36474 lbf.in)
Operating Media:	Dry/Lubricated Air, Inert/Non-Corrosive Gases
Pressure Rating:	Max 8.3 Bar-Pneumatic/120 PSI
Certifications:	ATEX, PED, Machine Directive, TR010, SIL3

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Bettis sets a new standard for convenience and accessibility, offering swift access to comprehensive documentation, ensuring seamless integration into your existing systems. Gone are the days of prolonged lead times and cumbersome procurement procedures. With Bettis, you gain immediate access to all necessary information, facilitating informed decision-making and rapid deployment.

Function:	Spring Return, Double Acting
Torque Levels:	Upto (135,000 Nm)
Operating Media:	Compressed Air
Maximum Working Pressure:	8 Bar
Certifications:	ATEX

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Pneumatic Actuator Videos

Hytork XL

Air Torque S Series

A pneumatic valve actuator is a device used to automate the opening and closing of valves using compressed air as the power source.

Pneumatic valve actuators utilise compressed air to create linear or rotary motion, which in turn operates the valve mechanism, either opening or closing it.

Pneumatic valve actuators are relatively simple, reliable, and cost-effective compared to other types of actuators. They also offer fast response times and can operate in hazardous environments.

Common types include diaphragm actuators, piston actuators, and rotary vane actuators, each suited for different valve configurations and applications.

Pneumatic valve actuators are widely used in industries such as oil and gas, petrochemical, pharmaceuticals, water treatment, and HVAC systems for controlling flow in pipelines, process equipment, and machinery.

Factors such as valve size, operating pressure, temperature, environmental conditions, and control requirements must be considered. Consulting with a knowledgeable supplier or engineer is advisable.

Regular inspection, lubrication, and cleaning are essential for maintaining optimal performance. Diaphragms, seals, and valves may need replacement periodically based on usage and environmental factors.

Yes, pneumatic valve actuators can be easily integrated with various control systems such as PLCs (Programmable Logic Controllers), DCS (Distributed Control Systems), and SCADA (Supervisory Control and Data Acquisition) systems.

Ensuring proper installation, following manufacturer's guidelines, implementing fail-safe mechanisms, and providing adequate training to personnel are crucial for safe operation.

Yes, certain pneumatic valve actuators are designed to meet specific safety standards for hazardous locations, such as those defined by ATEX or IECEx.

Pneumatic valve actuators may have limited precision compared to electric or hydraulic actuators, and they rely on a continuous supply of compressed air, which may not be readily available in all environments.

Common issues include air leaks, valve sticking, inadequate force or torque, and improper response. Troubleshooting typically involves checking for leaks, inspecting seals, verifying air pressure, and ensuring proper alignment and operation of components.