GDQ-Z for the straight-pneumatic high vacuum angle valve, bellows sealing for changing the air flow through the solenoid valve to control the direction of the cylinder movement to open and close the valve to connect or disconnect the vacuum hose flow purposes a device. Suitable medium of non-corrosive gases.

In order to get the control automatically and reasonably please elect the signal feedback device. It don't have the signal feedback device when the product leave the factory.