1. The main structure of the explosion-proof pneumatic disc valve is connected by a pneumatic actuator and a valve. An explosion-proof electromagnetic directional valve is installed, with a voltage of AC220V or AC380V, and connected to 5kgf/cm² The air source with left and right pressure can control the valve, suitable for flammable and explosive situations.
2. The valve adopts a medium linear structure with no eccentricity design, which has a significant characteristic of low operating torque and significant economic benefits when equipped with an electric device; Adopting a rubber lined structure, the butterfly plate's circumferential sealing surface is precision machined to a high smoothness, with extremely low friction coefficient for the rubber valve seat and a long service life of the valve; The flow characteristics of the valve plate sealing surface are linear, with a small flow resistance coefficient, resulting in a small valve flow resistance; The uniquely designed molded rubber valve seat has excellent balance and support, effectively avoiding damage to the rubber caused by uneven force. When the valve is in the fully closed position, the rubber is in the best compression state to maintain zero leakage.
3. The inner and outer surfaces of the valve ductile iron shell can be coated with high-temperature electrostatic spraying epoxy resin powder, which has high corrosion resistance and extremely high bonding strength with the ductile iron matrix. The coating degree is 0.2-0.5mm.