VFF

VFF

VFF

Product catalog summary
Overview
VFF Silo Closure Butterfly Valves are designed for use in building material processing plants to intercept gravity-fed dry materials. They are installed beneath hoppers, bins, or silos and are known for their economic and efficient performance.

Specifications
The valves are constructed from a one-piece fabricated mild-steel body lined with SINT® engineering polymer composite. The valve disc is made from surface-treated carbon steel. The integrated upper standard square flange can be adapted to various silo outlet flange sizes.

Dimensions
Two versions are available: one with a square top and round bottom flange, and another with round top and bottom flanges. Detailed dimensions are provided for each version, including specific codes and measurements in millimeters.

Technical Features
  • Mild-steel frame and disc
  • SINT® engineering polymer frame liner for dust-tight disc seal
  • Few components for simplicity
  • Anti-wear SINT® engineering polymer body lining
  • Dust-tight seal due to special geometry

Benefits
  • Worldwide delivery from WAMGROUP® subsidiaries
  • Technical support and spare parts availability

Options
Compatibility with manual lever actuators is available, with further details in the technical catalogue.

Application
These valves are suitable for all types of building material processing plants, ensuring efficient material flow interception.
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Catalog excerpts

VFF-1

FLOW INTERCEPTION Silo Closure Butterfly Valves VFF

 Open the catalog to page 1
VFF-2

Silo Closure | USED IN ALL TYPES OF BUILDING MATERIAL PROCESSING PLANTS & VFF Silo Closure Butterfly Valves are used in all types of building material processing plants where interception of gravity-fed dry materials is required. They are fitted beneath hoppers, bins, or silos. Due to t their special design and materials used, they have been a particularly economic and efficient solution for 30 VFF-type Silo Closure Butterfly Valves are manufactured from a one-piece fabricated mild-steel body lined with SINT® engineering polymer composite. The integrated upper standard square flange can be adapted...

 Open the catalog to page 2
VFF-3

Anti-wear SINT® engineering polymer body lining Delivery from stock of WAMGROUP® subsidiaries worldwide Technical support and worldwide availability of spare parts thanks to the WAMGROUP® subsidiary network Dust-tight thanks to special geometry of the seal Technical Features - Mild-steel frame and disc - SINT® engineering polymer frame liner acting as dust-tight disc seal - Few components Square top flange Round bottom flange Round top and bottom flange Round top flange Swivel bottom flang

 Open the catalog to page 3
VFF-4

ACTUATOR COMPATIBILITY For further details refer to Technical Catalogue Manual Lever 203001747 April 2021 Rights reserved to modify technical specifications. VZ WAMGROUP* This brochure has been edited for distribution in European Union countries. IWAM- ITOREX’

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.