08 Mar 2021

Corrosion Resistant Hygienic Rotary Valves for Food & Pharma Applications

By Team Anval
Anval RS Series Hygienic Rotary Valves are in single piece Stainless Steel Cast construction with Mirror Finish internals, most suitable for Food, Pharmaceutical, and Chemicals applications to prevent corrosion, rust or stain.

Anval are constantly developing and widening its range of equipment to cater for the increasingly demanding needs of their customers. With more than three decades of experience, Anval has a vast and exciting selection of Rotary Valves including the newly launched corrosive resistant RS Series that not only robust, rigid and durable but can also be customized to the specific requirements of a given application. These valves can be used in toughest conditions with minimal maintenance.

RS Series Rotary Valves are complete Cast Stainless Steel construction, by Lost-wax process, with internal surfaces machined to high precision, ideally suited for Chemical, Plastic, Animal Feed, Metallurgy, Flour-mills and other Food & Pharmaceutical industries.
These valves are CE marked and designed in compliance with the provisions of all applicable Health & Safety Requirements across globe. The RS Series rotors are perfectly designed and manufactured to have a close radial and axial clearance of 0.20 mm (max.)

Our RS Series valves come with mirror finish internals ideal for Sticky, Cloggy, Hygroscopic applications and also available in compliant with the requirement of ATEX Directive.
This series is available with Direct Drive, Chain Drive, Inline Drive options. Alternatively, these valves can also be supplied as ‘Bare Shaft’. It comes with open-end style Rotor as standard and also available in closed, scalloped, and reduced pocket types based on application requirement. Adjustable flexible or wear tips can be provided based on the application requirements.


  • Investment casting for excellent surface finish
  • Mirror finish internals
  • Single piece cast construction with universal flange
  • Drive Options: Direct or Chain or Inline
  • “Labyrinth Seals” for the high degree of shaft sealing
  • Wide range of rotor types
  • Available with Gas or Grease purging options
  • Comes in opening sizes from 150 to 300 mm
  • Minimal maintenance requirement