GIQ(D) vacuum butterfly valve, is the operation unit of pneumatic unit combination instrument, receive signal of regulation instrument, cut-off or connect media, large operation action, modern design, large rated flow coefficient, good sealing. Widely used in petroleum, chemical, textile, food, foam industrial department for automatic control and remote control

Structure and principle

GIQ(D) vacuum butterfly valve, made up of actuator(electric, pneumatic) and angle butterfly valve body, GIQ actuator made up of double-cylinder, receive (0.4-0.6MPa) air signal of two-bit four-way solenoid valve as power, change flow direction of air through control components