VFP Butterfly Valves consist of two high-pressure die-cast semi-bodies manufactured from aluminium alloy, a swivel disc in SINT engineering polymer, stainless steelor cast iron, and a pre-stressed elastomeric seal. For food applications a version with stainless steel disc and integral FDA-approved seal is available. VFP Butterfly Valve can be used for any kind of powder or granular material stored in silos or containers.