Transmin has been the exclusive Australian distributor for Rotaval rotary valves, blow seals and diverter valves for over 20 years.  From bulk minerals handling to the finest of industrial materials, RotaVal has a rotary valve solution for your application.


Rotaval’s Extra Heavy Duty Rotary Valves (EHD) have been well-proven over many years and are widely used in discharging materials such as cement, PFA, granite dust, silica sand and mineral powders, under adverse pressure conditions.


Standard valves are manufactured in cast iron / SG iron/ ni-hard / carbon steel construction with round and square flange options. To further enhance durability replaceable body liners can be hard chromed or ceramic coated, whilst replaceable internal components allow for on-site refurbishment.  Rotor shaft sealing options include various types of gland packing, mechanical seals and air or grease purge.


NOTE: Service life of these Valves will vary according to the service conditions prevailing. Selection must be undertaken with care and system conditions where possible adopted to ensure maximum service life.



Typical Applications

  • Suitable for the following industries; Mineral, Power and Biomass


Features / Advantages

  • Standard valve sizes available 150mm – 600mm to give capacities up to around 115m3 /hr
  • Replaceable internal components allow for on-site refurbishment.
  • Designed for feeding a wide range of powdered solids direct into a pneumatic conveying pipeline.



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