-Available for powder, cement, lots of granular materials;
-The valve body is aluminum or carbon steel;
-The low working pressure;
-Big size
-The lighe weight due to the aluminum valve body;
-The valve disc is made with the polymer materials lined with steel cores, form the high wear resistant soft seal, applied on the tough environment;
-Could be set on the hopper, silo, screw conveyor outlet and pneumatic conveying pipeline;
-Could choose the single flange or double flange.