... 'C High flow capacity compact size control valve, valve, electric control valve Main Features1.Equipped with pneumatic diaphragm actuator. ... of flow characteristic;5. Cage guided structure makes for lower noise and minish the damage to plug ... spring type diaphragm actuators Accessorypositioner ,solenoid valve ,air set ,lock valve ,limit switch,valve positioner transmitter,hand wheel etcApprovalsGB/T ...