1.Main structural form: The valve consists of valve body, rubber tube sleeve, valve stem, upper and lower pressure plate, lever, pneumatic head and other parts.
2.The working principle: pneumatic head pneumatic, the valve stem downward movement to drive the upper and lower pressure plate to compress the sleeve to close, and vice versa that is open. Pressure plate in the lever between the up and down reciprocating movement to complete the valve open and close the work.
3.The installation and maintenance: ① the valve in the pipeline any installation, there is no restriction on the flow of media ② the valve maintenance costs are low, there is no need for regular replacement of the valve seat, sealing packing, sealing ring or telescopic tube hose is the only parts that need to be replaced hose clamp valve, once the replacement of the hose, the valve is like a new valve. This valve requires very few other parts in stock.