Diaphragm actuators convert pneumatic pressure into linear motion. Compressed air acts on the diaphragm, creating force to move the actuator stem and position the valve.
Pneumatic Linear Diaphragm Actuator
We are leading Pneumatic Linear Diaphragm Actuator Manufacturers in Mumbai, India, We understand problems caused due to inadequate actuation and tackle these challenges with precision. Its PTFE/ EPDM diaphragm design eliminates leakage. while the spring-return mechanism ensures fail-safe operation during power outages. By delivering consistent valve positioning, it resolves issues like flow inaccuracies, overpressurization, and actuator fatigue, enhancing process efficiency and safety.
The actuator works by converting pneumatic pressure into linear motion, enabling precise valve control. Compressed air acts on the diaphragm, moving the actuator stem to position the valve. This mechanism ensures smoothness, deals with pressure inconsistencies, or harsh conditions reducing downtime and safety risks. Built with corrosion-resistant materials to handle high thrust demands in extreme conditions. Whether addressing stem binding, erratic valve response, or system instability, the Diaphragm Actuator is best to solve major problems and increase cost effieciency in industries like Chemical, Oil & gas, Pharmaceutical and Biochemical.
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Description | Features |
|---|---|
Actuator Type : Diaphragm Actuation Methods: Manual, Pneumatic, Electric Construction Material:Stainless Steel, Carbon Steel, Alloy Options Diaphragm Material: EPDM, PTFE, FKM Stroke Length: 10–100 mm Temperature Range:: -20°C to +80°C (extended options available) Operating Pressure: 2 – 15 bar Mounting Options: Flanged, Foot, Inline Response Time: <1 second Control Options : On/Off, Modulating, Manual Override Cycle Life: High cycle life (up to 1,000,000 cycles) Standards/Certifications: NAMUR, ATEX, ICEX, ISO 5211 | Provides leak-free, bubble-tight sealing for reliable isolation. Versatile operation options for automation or manual control. Offers excellent chemical and temperature resistance. Available in multiple sizes to meet diverse flow requirements. Suitable for a wide range of operating temperatures. Robust performance under standard process pressures. Minimizes leakage and reduces maintenance costs. Fast actuation for rapid system response. Provides flexible control for varied process requirements. Designed for long-term, high-frequency operation. Complies with international quality and safety standards. |
FAQ’s
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- What is the operating principle of a Pneumatic Linear Diaphragm Actuator?
- What pressure range can these Actuators handle?
They typically operate within a range of 3 to 15 psi (0.2 to 1 bar), but high-pressure models can handle up to 150 psi (10 bar) or more, depending on the design.
- With what valves can these Actuators be used?
Diaphragm actuators are compatible with globe valves, ball valves, butterfly valves, plug valves, and control valves. They excel in applications requiring precise flow control, tight shut-off, and high thrust, making them ideal for demanding environments.
- Are these Actuators suitable for hazardous environments?
Yes, they are often designed with explosion-proof and corrosion-resistant materials, making them ideal for hazardous areas like oil refineries and chemical plants.
- How do diaphragm actuators ensure fail-safe operation?
They use a spring-return mechanism that automatically moves the valve to a safe position (open or closed) during power or air supply failure.
- What materials are used in these Actutator construction?
Common materials include nitrile rubber, EPDM, PTFE, and Viton, chosen for their resistance to temperature, corrosion, and chemical compatibility
- Can these Actuators be integrated with digital control systems?
Yes, this Automation ready actuator can be paired with positioners, Local Control Station and limit switch for precise automation and integration into the system.
Industries where Pneumatic Linear Diaphragm Actuator is Used
Oil and Gas Industry
Chemical Processing Industry
Water Treatment Industry
Power Generation Industry
Pharmaceutical Industry
Applications of Pneumatic Linear Diaphragm Actuator
Distribution System Automation: Manages valves in municipal water networks, supporting dynamic control of water distribution and pressure regulation.
Cleaning and Sanitizing Cycles: Actuates valves in CIP systems used to clean processing equipment, reducing manual intervention and contamination risk.
Wellhead Valve Operation: Used for actuation in critical valves at the wellhead, enabling safe startup, shutdown, and flow regulation during production.
Cryogenic and LNG Applications: Operates in extreme temperature conditions in LNG processing, ensuring dependable performance in cryogenic environments.
Fluid Mixing and Transfer: Ensures precise operation of valves in systems used for mixing and transferring sensitive pharmaceutical fluids, minimizing risk of contamination.
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