centerline butterfly valve

Jul. 25, 2023

The centerline butterfly valve is a type of butterfly valve that features a disc or "butterfly" plate positioned in the center of the valve body. This design allows for a uniform and centered sealing mechanism, providing efficient flow control and reliable shut-off.

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Main Information:

Design: Centerline butterfly valves typically have a compact and lightweight design. They consist of a circular disc or plate with a shaft passing through the center. The disc is connected to an actuator that controls the opening and closing of the valve.

Sealing Mechanism: The disc of a centerline butterfly valve is positioned in the center of the flow path. When the valve is closed, the disc rotates perpendicular to the flow, creating a tight seal against the valve seat. When the valve is open, the disc rotates parallel to the flow, allowing for unrestricted fluid passage. 

Actuation Options: Centerline butterfly valves can be operated manually, electrically, or pneumatically. Manual operation involves the use of a handle or lever to control the valve position. Electric and pneumatic actuators provide automated control, enabling remote operation and integration into control systems.

Size Range: Centerline butterfly valves are available in a wide range of sizes, typically ranging from 2 inches to 72 inches (5 cm to 183 cm) in diameter. This versatility makes them suitable for various flow rates and piping systems.


HVAC Systems: Centerline butterfly valves are commonly used in heating, ventilation, and air conditioning (HVAC) systems for flow control of air and water. They provide efficient regulation of fluid flow and are often preferred due to their compact design and ease of installation.

Water Treatment and Distribution: Centerline butterfly valves are used in water treatment plants and distribution systems for controlling the flow of water. They are suitable for both clean water and wastewater applications, providing reliable shut-off and modulating capabilities.


Process Industries: These valves find applications in various process industries, including chemical, pharmaceutical, food and beverage, and oil and gas. They are used for controlling the flow of liquids, gases, and slurries in pipelines, storage tanks, and processing units.


Fire Protection Systems: Centerline butterfly valves are commonly employed in fire protection systems, such as sprinkler systems and fire hydrants. They allow for rapid opening and closing, ensuring quick response in case of fire emergencies.


Industrial Applications: Centerline butterfly valves are utilized in numerous industrial applications, such as power generation, mining, pulp and paper, and wastewater treatment. Their versatility, cost-effectiveness, and reliable performance make them suitable for various flow control requirements.


In summary, centerline butterfly valves offer efficient flow control, reliable sealing, and ease of operation. They find extensive use in HVAC systems, water treatment, process industries, fire protection systems, and industrial applications where precise and reliable fluid control is essential.

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