The butterfly valve type “VPF” is the result of a constant research devoted to the conveying and feeling problems. Manufactured in aluminium, stainless steel AISI316, is used to handle loose products in powder or grains.The pneumatic tightness is granted by an adiprene or white rubber seal special for the food industry which is fitted inside the valve. The butterfly valve “VPF” is available with manual control or electro-pneumatic interlock consisting in actuator, electrovalve, coils and micro-switches.