Pinvik Equipment Butterfly Valves are mainly used for silo switch bins, hoppers and equipped with powdered or granular materials. Aluminium Die Casting Bodies, Aluminium Die Casting Disc & NBR Type Rubber Seal, Top flange and bottom flange suitable for flexible sleeve type arrangement, Can be fitted with pneumatic actuators and manual lever type actuators, Used in a types of powder and granules processing plants below the silo, bins, hoppers, screw conveyors for material.