What are the pneumatic control valves in pneumatic transmission machinery?

Hello, landlord: Air pressure control valve is a control element to control and adjust the pressure, flow and flow direction of compressed air. Pneumatic control valves can be divided into directional control valves, pressure control valves and flow control valves.

The directional control valve comprises a one-way valve and a reversing valve.

The pressure control valve includes a pressure reducing valve, a sequence valve and an overflow valve.

The flow control valve includes an exhaust throttle valve and a one-way throttle valve.