THE BASIC PRINCIPLES OF TYPES OF PNEUMATIC VALVE

Throttle valves: Often called meter-out or meter-in valves, throttle valves control the speed of the actuator by adjusting the airflow coming into or exiting the procedure.The 5-port Variation of the two-place, 4-way valve has five specific ports which provide many valve configurations including two unique exhaust or pressure ports.Solenoid valves