Product Overview This pneumatic knife gate valve is a complex automation control instrument composed of various pneumatic components and valve bodies. Commonly used in situations that require quick cutting or opening. Double action: Two position control for valve opening and closing; Single action: (Spring reset): In the event of electrical and pneumatic disconnection or malfunction, the valve automatically opens or closes. Optional Accessories 1. Single or dual control solenoid valves (available in voltages such as 24V and 220V, with optional explosion-proof solenoid valves if necessary). 2. Proximity switch 3. Gas source treatment triple unit (including pressure reducing valve, filter, oil mist eliminator). 4. Electric/pneumatic valve locator (for regulating type).