The ZSQ type pneumatic cylinder-piston shut-off valve is the executing unit for automation control in industrial production. It can be cut off (closed) or opened according to the signals from the regulating instrument, and it can also be quickly closed or opened independently to meet the system's control requirements for parameters such as pressure, temperature, flow rate, and liquid level.

This product has the advantages of a simple structure, firmness, reliable operation, easy maintenance, as well as fire and explosion resistance. It is widely used in automation control systems in industries such as petroleum, chemicals, electric power, and light industry