Silo Closure Butterfly Valves VFF

Fitted beneath silos, hoppers, or bins, VFF Silo Closure Butterfly Valves are used in all types of building material processing plants where interception of gravity-fed dry materials is required.

Technical Features


VFF-type Silo Closure Butterfly Valves are manufactured from a one-piece fabricated carbon steel body lined with SINT engineering polymer composite. Due to the four corner slots the integrated upper square flange can be adapted to different sizes of silo outlet flanges. The valve disc is manufactured from surface-treated carbon steel.

  • Carbon steel frame and disc
  • SINT engineering polymer lining adapted to valve disc
  • Few components

Versions available:

  • Square top flange, circular bottom flange
  • Identical circular top and bottom flange
  • Rotating bottom flange

Usage Areas

Highly Abrasion-Resistant Highly Abrasion-Resistant
Ex-Stock Delivery Ex-Stock Delivery
Special Dust-Tight Seal Geometry Special Dust-Tight Seal Geometry

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