Stainless Steel Pneumatic Actuator

Corrosion
Resistant
Leak Tight
Sealing
Automated
Operation
Low Maintenance
Long Life

A Stainless Steel Pneumatic Actuator is a corrosion-resistant quarter-turn actuator designed to automate ball valves, butterfly valves, and plug valves in harsh industrial environments. Stainless Steel Pneumatic Actuator Manufacturer Supplier India from high-grade stainless steel, it offers reliable performance, fast operation, and excellent resistance to moisture, chemicals, and corrosive media. It is ideal for industries such as chemical processing, pharmaceuticals, food & beverage, marine, oil & gas, and water treatment.

Product Specifications and Overview

ALIS Valves offers Stainless Steel Pneumatic Actuators designed to automate the opening and closing of industrial valves using compressed air. These actuators convert pneumatic energy into mechanical motion, enabling reliable valve operation in applications where manual control or electrical actuation may not be suitable. Depending on the design, they are available in rack-and-pinion or other pneumatic configurations, with quarter-turn models commonly used to operate ball valves, butterfly valves and plug valves. Stainless steel construction provides corrosion resistance and durability in demanding operating environments, while suitable internal components and seals support reliable performance under specified conditions. Available options may include double-acting and spring-return configurations, mounting interfaces, position indicators and accessories for integration with pneumatic control systems.

Stainless Steel Pneumatic Actuators are suitable for industrial applications in chemical processing, pharmaceutical production, food and beverage processing, water treatment, marine installations and other environments where corrosion resistance and automated valve operation are important. The appropriate actuator should be selected according to the valve type, required operating torque, air supply pressure, operating frequency and environmental conditions. Double-acting actuators use compressed air for both opening and closing, whereas spring-return actuators use air for one direction and a spring for the other, supporting a defined fail position when configured correctly. Important considerations include actuator size, stainless steel grade, seal material, operating temperature, mounting standard and compatibility with solenoid valves, limit switches and positioners. Correct sizing and installation help ensure dependable valve operation, effective automation and long service life within the specified operating limits.

Operation

Pneumatic

Mechanism

Rack & Pinion

Action

Double Acting / Spring Return

Output Motion

Rotary, 90°

Body Material

Stainless Steel SS304 / SS316

End Cap Material

Stainless Steel

Piston Material

Aluminum / Stainless Steel

Shaft Material

Stainless Steel

Air Supply Pressure

Typically 3–8 Bar

Rotation Angle

90° / Adjustable

Temperature Range

Typically -20°C to +80°C

Torque Range

Model & Application Dependent

Fail-Safe Option

Fail Open / Fail Close

Control Accessories

Solenoid Valve / Limit Switch / Positioner / AFR

Stainless Steel Pneumatic Actuator

Industries Served

Cement

Cement

Engineered valve solutions tailored for critical Cement operating processes.

Chemical

Chemical

Engineered valve solutions tailored for critical Chemical operating processes.

Data centres

Data centres

Engineered valve solutions tailored for critical Data centres operating processes.

Fertilizer

Fertilizer

Engineered valve solutions tailored for critical Fertilizer operating processes.

Applications

Ammonia

Ammonia

Industrial Valves for Ammonia Applications Industrial valves used in ammonia systems are selected according…

CO₂

CO₂

High-performance flow automation engineered for CO₂ operations.

Compressed Air

Compressed Air

High-performance flow automation engineered for Compressed Air operations.

Cryogenic

Cryogenic

High-performance flow automation engineered for Cryogenic operations.

Frequently Ask Questions

A stainless steel pneumatic actuator uses compressed air to generate rotary motion for automatic valve operation. Its stainless steel construction provides excellent corrosion resistance.
SS316 generally provides better resistance to chlorides and aggressive chemicals than SS304. The appropriate grade depends on the operating environment.
Yes. Stainless steel construction makes these actuators suitable for hygienic environments, particularly when the required material grade and surface finish are specified.
They are used to automate ball, butterfly and plug valves in corrosive, hygienic, and demanding industrial applications.
Alis Valves manufactures and supplies stainless steel pneumatic actuators for industrial valve automation with different torque ranges, materials, and control configurations.
Most industrial pneumatic actuators operate within approximately 3–8 bar, depending on the actuator model and required torque.