Pneumatic flange butterfly valve

Performance Features

• Automated Control: Pneumatic Flange Butterfly Valves offer automated control, allowing for precise and timely operation without manual intervention. This is particularly useful in processes that require frequent adjustments or rapid response times .
• Quick Response Time: The pneumatic actuator enables rapid opening and closing of the valve, which is essential in applications where quick shut-off or flow changes are necessary .
• Precise Flow Control: With the integration of a pneumatic actuator, these valves can modulate the flow rate accurately, ensuring consistent and controlled fluid flow .
• High Reliability: Pneumatic systems are known for their reliability and durability, making these valves suitable for harsh operating conditions and long-term use .
• Good Sealing Performance: The valve is designed to provide excellent sealing, preventing fluid leakage and ensuring the safety and efficiency of the pipeline system .

Advantages

• Efficiency and Productivity: The automated operation of Pneumatic Flange Butterfly Valves eliminates the need for manual labor, improving efficiency and reducing operational costs .
• Versatility: These valves can handle a wide range of fluids, including water, air, steam, and various chemicals, making them suitable for diverse industrial applications .
• Space Saving: Compared to other types of valves, Pneumatic Flange Butterfly Valves have a compact and lightweight design, which saves space and facilitates installation in confined areas .
• Low Maintenance: Pneumatic systems generally have fewer moving parts, resulting in reduced wear and tear and lower maintenance requirements .
• Safety: Pneumatic actuators can be designed with fail-safe features, such as spring-return mechanisms, ensuring the valve returns to a safe position in case of power or air supply failure .

Application Scenarios

• Chemical Processing: Pneumatic Flange Butterfly Valves are used to control the flow of corrosive and hazardous chemicals, ensuring precise dosing and safe handling .
• Water and Wastewater Treatment: These valves are widely used in water distribution, filtration, and wastewater treatment systems for flow regulation and control .
• Oil and Gas Industry: In oil and gas operations, Pneumatic Flange Butterfly Valves manage the flow of crude oil, natural gas, and other hydrocarbons under high-pressure and high-temperature conditions .
• Food and Beverage Industry: Hygienic Pneumatic Flange Butterfly Valves are used to control the flow of food-grade fluids, ensuring compliance with strict sanitation standards .
• Power Generation: In power plants, these valves control the flow of steam, cooling water, and other essential fluids, contributing to efficient and reliable power generation .
• Pharmaceutical Manufacturing: Pneumatic Flange Butterfly Valves ensure precision and hygiene in pharmaceutical production, where they are used in fluid handling systems for drug formulation and packaging .

Technical Parameters

• Size: The size of Pneumatic Flange Butterfly Valves ranges from small to large, such as DN50, DN100, DN150, DN200, etc., depending on the specific application requirements .
• Pressure Rating: These valves have different pressure ratings, such as PN10, PN16, PN25, etc., indicating the maximum pressure they can withstand .
• Temperature Rating: The temperature rating varies depending on the materials used. For example, valves made of cast iron have a lower temperature rating than those made of stainless steel .
• Materials: The materials used in Pneumatic Flange Butterfly Valves include cast iron, carbon steel, stainless steel, brass, PVC, etc., chosen based on the service conditions, including pressure, temperature, and type of media .
• Actuation Modes: Pneumatic Flange Butterfly Valves can operate in two main modes: On/Off Control and Modulating Control. On/Off Control is ideal for processes requiring simple open or closed positions, while Modulating Control allows precise adjustment of flow rates .

Maintenance

• Regular Inspection: Regularly inspect the valve for any signs of wear, damage, or leakage. Check the disc, seals, and other components to ensure they are in good condition .
• Lubrication: Lubricate the valve stem and other moving parts regularly to reduce friction and ensure smooth operation .
• Cleaning: Clean the valve body and internal components regularly to remove any dirt or debris that may accumulate .
• Replacement of Seals: If the seals are damaged or worn, replace them promptly to maintain the valve's sealing performance .
• Testing: Periodically test the valve's operation to ensure it is functioning properly. This can include checking the opening and closing of the valve, as well as its throttling function .