China Plastic Butterfly Valve Manufacturer

CPVC Pneumatic Butterfly valve

Size:50-300mm or 2″-12″


Standard: DIN/ANSI/JIS

Connection method: Flange

Working Pressure:150PSI

Lead time: 30 days around

Package: Cartons Box


Port: Ningbo or Shanghai

Place of origin: China

Products Description

A CPVC pneumatic butterfly valve incorporates a pneumatic actuator to control the movement of the valve’s disc, using air pressure to open or close the valve. This type of valve is particularly suitable for rapid operation and environments where electricity may pose a risk, such as explosive atmospheres. Here are some important aspects of CPVC pneumatic butterfly valves:

CPVC pneumatic butterfly valve Features

  1. Material Characteristics: Made from CPVC (chlorinated polyvinyl chloride), these valves exhibit excellent resistance to corrosive chemicals and high temperatures. CPVC’s durability against harsh substances makes it ideal for industrial processes involving corrosive fluids.

  2. Design and Operation: These valves feature a rotating disc that pivots within the valve body to regulate or stop fluid flow. The pneumatic actuator is connected to the valve stem and operates by air pressure, which can be controlled remotely. This setup allows for quick and efficient valve operation, essential in systems requiring fast response times.

  3. Pneumatic Actuator: Pneumatic actuators are preferred in certain settings because they can provide a clean operation (important in food and pharmaceutical industries) and are safer in explosive environments compared to electric actuators. They require compressed air to function, which can be a consideration for installation.

  4. Applications: CPVC pneumatic butterfly valves are used in various industrial applications including chemical processing, water treatment, and HVAC systems, especially where rapid valve operation is necessary. They are also common in facilities where explosive gases or liquids are processed, as the pneumatic system minimizes electrical hazard risks.

  5. Advantages: The combination of CPVC and a pneumatic actuator provides numerous benefits, such as quick operation, enhanced safety in hazardous environments, and excellent resistance to chemical and thermal degradation. These valves also tend to have a longer operational lifespan in aggressive environments due to the inert nature of CPVC.

  6. Installation and Maintenance: Installation of CPVC pneumatic butterfly valves should consider the availability of compressed air lines and the overall integration into process control systems. Maintenance generally involves regular checks of the air supply lines, actuator function, and the integrity of the valve seals and disc to prevent leaks and ensure proper operation.

Overall, CPVC pneumatic butterfly valves are an effective choice for applications requiring fast, reliable, and safe control of fluid flow under conditions involving corrosive chemicals and high temperatures.

Specification of Material

CPVC Pneumatic Butterfly valve Structure diagram
NO. Part Material NO. Part Material
1 Body CPVC 2 Disc CPVC
3 Seat Seal EPDM/VITON 4 Pneumatic Actuator Alloy
5 Bolt SUS304 7 Screw SUS304
10 Stem SUS304/316 12 Shaft Sleeve PP
13 O-Ring EPDM/Viton 14 Bottom Cap PP

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