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COVNA Industrial Automation Co., Ltd. was established in 2000, an automated valve specialist. Headquartered in Dongguan China, with 3 production bases located in Ningbo, Wenzhou and Dongguan.
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Butterfly valve is one of the most commonly used valves in industrial production pipeline systems. The main components are valve body, valve seat, valve stem, butterfly plate and transmission device. There are many types of butterfly valves, and their classification methods are also diverse.
The butterfly valve is opened and closed by operating the transmission device to rotate the valve stem, and at the same time the valve stem drives the butterfly plate to rotate. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate is connected to the valve stem. The rotation of the valve stem will drive the butterfly plate to rotate for flow control. The rotation angle is between 0 degrees and 90 degrees. When the butterfly plate rotates to 90 degrees The butterfly valve is in the fully open position in the pipeline. At this time, only the thickness of the butterfly plate is the only resistance for the fluid to pass through. The flow resistance is very small. At the same time, when the rotation angle of the butterfly plate is between 0-90, it can be used to adjust the medium. flow.
The difference between a ball valve and a butterfly valve The biggest difference between a butterfly valve and a ball valve is that the opening and closing part of the butterfly valve is a plate, while the ball valve is a ball. The valve plate of the butterfly valve and the spool of the ball valve rotate around their own axis; the ball valve The sealing surface is a spherical surface.
{keyword},According to the characteristics of butterfly valve, the following principles should be followed when selecting butterfly valves
{keyword},The butterfly valve has 90. Features such as rapid opening and closing of rotation, light weight, small structure size (especially wafer butterfly valve) and other advantages.
{keyword},Butterfly valves are suitable for flow regulation. Since the pressure loss of the butterfly valve in the pipeline is relatively large, it is about three times that of the gate valve.