Thayer Scale Model HWF Food Conveyor

Food Conveyors

The Model HWF Sanitary Belt Conveyor is the latest member of the Thayer Scale sanitary weighing system family. Designed to work in conjunction with the LWF-V sanitary Loss-in-Weight feeder to ensure precise delivery of topical ingredients such as anti-cake powders, seasonings, and material drying agents.

Like all Thayer Scale solutions, the Model HWF is Built-to-Survive – ensuring continuous, trouble-free operation in spite of frequent, caustic wash downs, and other challenges of sanitary processing environments.

The Model HWF hygienic weigh feeders is a continuous weighing solution for in-process bulk materials that meets the challenges of this new era of smarter food safety initiatives.

It is the first weigh feeder designed and built in accordance with the applicable provisions of AMI, 3-A, NSF and USDA specifications for industry segments that require compliance with food traceability rules and food safety plans.


Industry Segments

  • IQF Vegetables
  • Meat Processing
  • Poultry Processing
  • Ready to Eat Food Service
  • Seafood
  • Cheese Conversion (shred / grate)
  • Fresh Cut Fruits and Vegetables
  • High Meat Inclusion Premium Pet Food


HWF Key Design Features

  • Stainless steel construction
  • No bearings
  • Lubrication free components
  • Cantilevered conveyor (facilitates endless belt removal / installation)
  • Gasketed joints between equipment assembly components
  • Self-draining surfaces

HWF Hygienic Weigh Feeder | What is weigh feeder
  • Built to Survive
  • 3-A, AMI, NSF and USDA Adherance
  • Trusted for over 70 years

Sanitary Belt Conveyor / Weigh Feeder FAQ

How easy is it to clean?

Major assemblies readily removable without tools and can be disassembled with basic hand tools for deep cleaning, microbiological assessment and/or pathogen testing.

Are there self draning surfaces?

Certified hygienic (EHEDG Type EL Class I AUX) 316-SS assembly hardware featuring round heads, self-draining surfaces with a maximum roughness of 0.8 µm Ra, and blue nitrile sealing rings.

What are the safety features?

Designed with the HACCP approach of minimizing the risk of biological, chemical and physical hazards to help the sanitary space meet the challenges of this new era of smarter food safety initiatives.

The Model HWF provides the enhanced food safety segment with a long-awaited continuous weighing solution that drives process efficiencies,” said Allen McIntosh, Thayer Scale, Sanitary – Food | Pet Care Business Segment Manager.