Pneumatic Actuated Butterfly Valve

Speciality Valve is valued as the leading Pneumatic Butterfly Valve Manufacturers in India. Our valves are trusted by industrial giants worldwide, from Mumbai to Dubai, showcasing our unwavering commitment to quality and reliability on a global scale.

About Pneumatic Butterfly Valve:
A pneumatic butterfly valve is a type of valve used to regulate the flow of fluid through a pipeline, operated by a pneumatic actuator. This combination allows for quick and efficient control, making it ideal for applications where rapid valve operation is required. They are widely used in industries such as water treatment, HVAC systems, and chemical processing due to their reliability, ease of automation, and durability.

The structure of the valve consists of several key components designed to ensure efficient flow control and durability. The main body of the valve is typically made from robust materials such as cast iron, stainless steel, or aluminum, chosen based on the specific application requirements to ensure resistance to corrosion and wear. Inside the valve body is the disc, which is the component that regulates the flow of fluid. The disc is usually crafted from durable materials like stainless steel or coated metals, providing the necessary strength and corrosion resistance. The disc is mounted on a stem, which passes through the valve body and connects to the pneumatic actuator. The stem must be strong and reliable to withstand the operational forces and to ensure a secure connection between the disc and the actuator. The pneumatic actuator, mounted on top of the valve, is a crucial component that uses compressed air to move a piston within a cylinder.

Operating Mechanism:
The operation of a pneumatic butterfly valve is driven by the pneumatic actuator, which uses compressed air to move a piston within a cylinder. When the actuator receives a signal to open or close the valve, it directs compressed air to one side of the piston, causing it to move. This linear motion is converted into rotational motion via the stem, turning the disc either parallel or perpendicular to the flow of fluid. In the open position, the disc is rotated parallel to the flow, allowing fluid to pass through with minimal resistance. In the closed position, the disc is perpendicular to the flow, creating a tight seal against the seat and preventing fluid from passing through. The speed and precision of the actuator ensure quick and reliable operation, which is particularly important in applications requiring frequent or rapid valve adjustments.

Benefits:
1.Rapid and Precise Operation
2.Ease of Automation
3.Durable and Corrosion-Resistant Materials
4.Compact and Lightweight Design
5.Low Maintenance Requirements
6.Cost-Effective Solution

Industrial Use:
1.Water Treatment
2.HVAC Systems
3.Chemical Processing
4.Pulp and Paper Industry
5.Power Generation

Description:
1. Body: Cast Iron, Cast steel (WCB, WCC, WC6, LCC, LCB), Carbon steel (CF8, CF8M), Titanium, Stainless steel (SS304, SS316, A105, F304, F304L, F316, F316L).
2. Class: 150-2500, PN 10 – PN450.
3. Size: ½” to 48”.
4. Ends: Wafer, flanged, lug.
5. Operation: Pneumatic.

Configuration of a Pneumatic Actuator:
1. 4-20 mAmp
2. Pneumatic single acting actuators
3. Pneumatic double acting actuators
4. Pneumatic rotary actuators
5. Pneumatic Scotch and Yoke actuators
6. Pressure: 228 bar

Temperature:
1. Standard: -4°F to 200°F (-20°C to 93°C)
2. Low: -40°F to 176°F (-40°C to 80°C)
3. High: 0°F to 300°F (-18°C to 149°C)