Coarse screens remove rags, sticks, large solids and other debris ranging from 0.25 to 6 inches. They can be as simple as a trash rack or as complicated as a mechanically cleaned bar screen. Generally speaking, larger treatment facilities will install a mechanically cleaned bar screen whereas small,......
Read MoreThe pneumatic gate valve is equipped with a pneumatic actuator, which is driven by compressed air to control the gate valve. The valve core is composed of a wedge-shaped structure and a parallel structure, which is suitable for the emergency cut-off and discharge of gas and liquid pipelines.
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