Now there are two kinds of dispensing valves on the market, the first manual, the second automatic, automatic dispensing valve is more difficult to use, according to the use of dispensing requirements to configure some dispensing parameters, and dispensing path settings are also required, the use of single-action control valve process is more complex, but can carry out a product. Fan research has the ability to quickly find steps. The manual dispensing valve can be used only by installing dispensing pressure barrel, dispensing controller, air pressure source and air pipe. It does not need to use any other accessories, and can also complete dispensing tasks. It also has the glue back-suction function. It is only one less operation control system and some accessories than the automatic dispensing machine, using manual dispensing valve. The operation is relatively simple, you can dispensing according to the wishes of the people, the use of rubber valve is relatively simple, a brief introduction to how to use rubber valve. Manual dispensing valve