Pneumatic Butterfly Valve

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Pneumatic Butterfly Valves Manufacturer India

Pneumatic Butterfly Valve Manufacturer | Supplier | Exporter

Jekon Control Valves is a renowned manufacturer, supplier, and exporter of high-quality pneumatic butterfly valves in India, serving a diverse range of industries worldwide. Known for their advanced engineering and innovative designs, Jekon provides highly reliable and durable pneumatic butterfly valves that are essential for regulating the flow of fluids and gases in various applications. These valves are built with precision to meet the demands of industries such as chemical processing, water treatment, oil and gas, pharmaceuticals, and food and beverage sectors.

The company’s pneumatic butterfly valves are designed to offer exceptional performance with minimal maintenance, providing efficient control of flow in pipelines and systems. These valves come in a variety of sizes, materials, and configurations, ensuring compatibility with different pressure, temperature, and fluid types.

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Description of Pneumatic Butterfly Valves

Pneumatic butterfly valves are a type of quarter-turn valve used for controlling the flow of liquids, gases, and other materials in various industrial applications. These valves consist of a circular disc or "butterfly" mounted on a shaft, which rotates to open or close the valve. The valve is operated by a pneumatic actuator, which uses compressed air to move the butterfly disc, enabling precise flow control. Pneumatic butterfly valves are highly favored in applications where quick and reliable operation is required.

These valves offer several advantages, including fast and easy actuation, lightweight design, and low torque requirements. They are ideal for controlling the flow of fluids in large pipes or systems, as they provide efficient flow regulation with minimal pressure drop. The pneumatic actuator allows for automated control, making them perfect for use in automated processes where remote operation is necessary.

How Pneumatic Butterfly Valves Work

Pneumatic butterfly valves work by using a rotating disc, or "butterfly," to regulate the flow of liquids, gases, or slurries in a pipeline. The operation of the valve is powered by a pneumatic actuator, which uses compressed air to control the movement of the butterfly, allowing for quick and precise flow control.

  • Basic Structure:
    A pneumatic butterfly valve consists of a circular disc (the butterfly) mounted on a shaft that passes through the center of the valve. The valve body is typically made of durable materials such as stainless steel or cast iron, depending on the application. The valve has two main parts: the actuator (pneumatic) and the valve body with the butterfly disc.
  • Pneumatic Actuator:
    The actuator is powered by compressed air. It is connected to the valve stem and uses air pressure to rotate the butterfly disc. The actuator can either be double-acting, requiring air pressure for both opening and closing the valve, or spring-return, where air pressure is used to open the valve, and a spring mechanism closes it when the air pressure is removed.
  • Opening and Closing:
    When the actuator receives air pressure, it rotates the butterfly disc to a position where the valve opens. The amount of air pressure controls how far the butterfly opens, allowing for precise flow regulation. When the air pressure is removed, the valve closes. In a spring-return actuator, the internal spring forces the butterfly to close automatically. In a double-acting actuator, a reverse air pressure is applied to close the valve.
  • Flow Control:
    The butterfly disc is positioned within the flow path. When the valve is fully open, the disc aligns with the flow direction, allowing maximum flow. As the disc rotates toward the closed position, it blocks more of the flow path, gradually restricting or completely stopping the flow. The valve can be adjusted to allow partial flow, giving the operator fine control over the flow rate.
  • Seal and Shutoff:
    Pneumatic butterfly valves often feature a sealing mechanism around the disc to ensure a tight shutoff when the valve is closed, preventing leakage. The seal material and the valve design are critical to ensuring effective sealing under various pressures and temperatures.

Types of Pneumatic Butterfly Valves

  • Wafer-Type Pneumatic Butterfly Valve
  • Lug-Type Pneumatic Butterfly Valve
  • Flanged-Type Pneumatic Butterfly Valve
  • Sanitary Pneumatic Butterfly Valve
  • Zero-Offset Pneumatic Butterfly Valve
  • Spring-Return Pneumatic Butterfly Valve
  • Knife Gate Pneumatic Butterfly Valve

Technical Specification

Valve Size Range

Available in sizes from DN 15 (1/2 inch) to DN 1200 (48 inches), with custom sizes available upon request.

Body Material

Cast Iron, Stainless Steel (304/316), Carbon Steel, PVC, and other special materials for high corrosion resistance.

Seal Material

EPDM (Ethylene Propylene Diene Monomer), PTFE (Polytetrafluoroethylene), NBR (Nitrile Butadiene Rubber), Viton, and other elastomers for enhanced sealing performance.

Operating Pressure

Standard working pressure typically up to 16 bar (235 psi); high-pressure options available for specific applications (up to 25 bar or more).

Operating Temperature Range

-10°C to +120°C (14°F to 248°F) with standard seals. Up to +200°C (392°F) with high-temperature seals.

Actuation

Available in single-acting (spring return) or double-acting pneumatic actuator configurations. Requires an air supply pressure between 3 to 8 bar (45 to 120 psi).

Connection Types

Flanged (ANSI, DIN, JIS), Wafer, Lug, and Sanitary connections for various industrial applications.

Control Options

Normally Closed (NC), Normally Open (NO), and modulating control for process automation and control systems.

Flow Pattern

Straight-through or angle design, minimizing flow resistance and pressure drop for optimal flow characteristics.

Why Choose Jekon Controls for Pneumatic Butterfly Valves

We provide an extensive selection of valves, including wafer-type, lug-type, flanged-type, and high-performance options, tailored to meet specific customer needs. Our products are built using premium materials such as stainless steel, cast iron, and specialized alloys, ensuring durability and reliable performance in demanding environments. With advanced pneumatic actuator technology, Jekon Controls’ valves offer precise control, quick response, and leak-proof performance.

We specialize in customized solutions for various industries like chemical processing, water treatment, HVAC, and food processing, ensuring optimal efficiency in every application. Our valves feature robust sealing technologies, including PTFE and EPDM, for safe and efficient flow control.