Butterfly valves are used extensively in beer brewing equipment to control the opening/closing of liquor/beer. There are manual type, pneumatic type, and pneumatic type can also have AS-I control bus control head.
Its operation is similar to that of a ball valve, allowing for quick closing. Butterfly valves are often favored because they cost less than other valve designs and are lighter in weight, which means less support is required. The butterfly valve is located in the center of the pipeline; passing through the butterfly valve is a stem attached to an actuator on the outside of the valve. Rotating the actuator allows the disc to be parallel or perpendicular to the flow of water. Unlike ball valves, the disc is always present in the flow of water and therefore causes a pressure drop in the flow regardless of the valve position.
Butterfly valves come from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. A “butterfly valve” is a metal disc mounted on a stem. When the valve is closed, the disc is rotated so that it completely blocks the passage. When the valve is fully open, the disc is rotated a quarter turn so that it allows virtually unrestricted passage of fluid. The valve can also be opened gradually to throttle the flow.
Below are our ball handle butterfly valves, lever butterfly valves and pneumatic valves for beer brewing equipment.
The ball handle type can be opened and is open/medium/closed.
The lever butterfly valve has 6 stages of flow.
The pneumatic valves will help automate the system and control the valves on the brewery equipment control box.
Who knows about the AS-I control bus control head on the pneumatic valve? It feeds information back to the PLC to know if the valve is actually open.
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