F single screw batch feeders
and BW belt batch feeders

Data Sheet

Technical Characteristics

  • Product contact parts in AISI 304 or AISI 316L on request
  • 180 mesh exterior satin finish, Ra4 polished on request
  • 2B interior finish, Ra4 polished finish on request
  • Seals in NBR or food grade NBR (FDA) on request
  • Wear resistant PUR seals or food grade PUR on request
  • Fast-unlock connections (captive screws), knobs on request
  • 13,000 l/h maximum flow rate for F series batch feeders
  • 80,000 l/h maximum flow rate for BW series batch feeders
  • Product tanks, special dosing screws, double motor, bridge breaker screws
  • Municipal and industrial water treatment plants
  • All sectors requiring dosage of powder and granular materials
  • High precision level
  • No contact with the product
  • Reduced maintenance
  • Environmental hygiene


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Spare Parts

Click below for original spare parts for your machines!

Description and operations

Definitive Ecology F series single extractor screw batch feeders are designed for dosing powders, granules and synthetic fibres. Available in both a volumetric version and a gravimetric version with electronic load cell weighing system, these batch feeders guarantee high precision and reliability. The batch feeders are used in various configurations in all industrial sectors, from food to chemicals, and in the AISI 316L stainless steel versions specifically designed for the pharmaceutical sector. Especially suitable for use with ultra-fine powders. Available also in a version for the food industry and in a version for ATEX zone applications.

Definitive Ecology BWF series belt batch feeders are used for dosing all types of materials, including materials with highly variable particle sizes. Rigidity of the machine is guaranteed by a generously sized aluminium frame, while the integral dual cell weighing system and calibrated belt ensure dosing precision to the maximum levels required. Available in an open version or totally enclosed for the maximum environmental protection and hygiene.

Models available

  • F series = single screw batch feeders
  • BW series = belt batch feeders