EVA Pneumatic actuator UPVC true union ball valve is a valve that uses compressed air to control the flow of fluid through a UPVC (unplasticized polyvinyl chloride) ball valve. The "true union" design allows for easy removal of the valve body from the piping for maintenance. These valves are commonly used in various industrial and agricultural applications where remote or automated flow control is needed. 

EVA Pneumatic Actuator operated UPVC True Union Ball Valve is a robust and efficient valve assembly designed for automated and precise control of fluid flow within pipelines. It is particularly valuable in industrial settings where remote operation, chemical resistance, and ease of maintenance are paramount. 

Here's a detailed breakdown:

1. Core components and functionality

Pneumatic Actuator: 

This part uses compressed air or gas to generate the force required to open or close the valve.

• Types: Pneumatic actuators can be either double-acting (requiring air pressure to both open and close the valve) or single-acting (using air pressure to open and a spring to close, or vice versa). 
• Operation: Compressed air pushes a piston within a cylinder, translating this linear or rotary motion to the valve stem.
• Control: The actuator's movement is precisely regulated by control valves, flow restrictors, and sensors.
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UPVC True Union Ball Valve:

The valve body and its internal components, including the ball and seats, are made from Unplasticized Polyvinyl Chloride (UPVC).

• UPVC Material: Provides excellent corrosion and chemical resistance, making it suitable for handling various fluids, including water, chemicals, and aggressive substances.
• Ball Valve Mechanism: A spherical ball with a bore rotates within the valve body, allowing or blocking the flow of the media.
• True Union Design: A key feature allowing for quick and easy removal of the valve from the piping system for maintenance, repairs, or replacement without the need to cut the pipeline. 
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2. Key features and advantages

• Corrosion and Chemical Resistance: UPVC construction ensures longevity and reliability, especially when dealing with corrosive fluids or in harsh environments.
• Automated Operation: Pneumatic actuation enables remote control and integration into automated systems, enhancing efficiency and reducing manual labor.
• Fast Response Times: Pneumatic actuators offer quick opening and closing, critical in processes requiring rapid shut-off or flow adjustments.
• High Reliability: The simple design of pneumatic systems and the inherent durability of UPVC contribute to a long operational lifespan and minimal maintenance requirements.
• Safety: Pneumatic actuators are intrinsically safe, as they do not generate electrical sparks, making them suitable for use in potentially hazardous or flammable environments.
• Easy Maintenance: The true union design simplifies maintenance and replacement by allowing removal without interrupting the entire pipeline.
• Cost-Effectiveness: UPVC valves are generally more affordable than metal valves, and the ease of maintenance reduces long-term operational costs. 
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3. Applications

Pneumatic actuator UPVC true union ball valves are widely used across various industries: 

• Water Treatment: Controlling water flow in filtration, disinfection, and sludge management systems.
• Chemical Processing: Handling the flow of aggressive chemicals and hazardous substances.
• Water Supply Systems: Regulating water flow, particularly in areas susceptible to corrosion.
• Industrial Applications: Managing fluid flow in various manufacturing processes.
• Swimming Pools and Aquariums: Controlling water circulation and chemical dosing.
• Irrigation Systems: Managing water distribution in agricultural and landscaping applications.
• Wastewater Management: Regulating the flow of sewage and chemicals in treatment plants.
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In essence, the pneumatic actuator UPVC true union ball valve offers a highly practical and reliable solution for automated fluid control in numerous industrial and commercial applications that demand efficiency, safety, and durability, particularly in environments where corrosion or chemical exposure is a concern.

Accessories: -

• On/Off Indicator
• Namur Standard Solenoid Valve in all Standard Coil Voltage (Falme Proof Solenoid Coil – On Request)
• Pneumatic & Electro Pneumatic Valve Positioner
• Declutchable Manual Over Ride
• Limit Switch On/Off indication at Panel Borad
• Filter + Regulator Combination with Pressure Guage
• Air Lock Valve