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The Mucon® Series A2P Iris Valve is the latest in powered iris diaphragm valve technology. Features an air or electrically driven geared motor unit and its innovative drive arrangement allows light but robust construction for frequent operation in difficult environments.


  • Body parts on the iris valve are made from aluminum and zinc
  • The valve drive cover and switch covers are manufactured from white ABS with blue extruded silicone rubber seals


  • Can be used as an outlet valve for silos, bins, hoppers and chutes
  • Can be used for in-line applications 
  • Also for discharge from sifters, ribbon mixers and double cone blender outlets
  • For the automatic bagging of material where frequent operation is required
  • Can also be used to control discharge from containers into weigh hoppers


  • Open, closed and adjustable intermediate switches
  • 316 stainless steel contact parts
  • Special switch/solenoid packages for hazardous locations
  • Special surface coatings on the iris valve to suit corrosive environments


  • It is non-jamming
  • The material flow through the valve can be fully controlled
  • There is no leakage to the atmosphere
  • Full bore opening – material flow as no obstruction
  • Perfect for medium to heavy applications
  • Quiet and smooth operation
  • Also as quick opening/closing action


  • Double diaphragm iris valves are perfect for in-line applications
  • No leakage to atmosphere
  • Suitable for heavy duty materials up to 1600 kg/m
  • Operation is quick and capable of opening or closing in just a few seconds
  • Belt driven for quiet operation
  • Drive ring is supported on bearings for smooth operation
  • Low profile, compact design
  • Sealed against ingress of dust
  • Has fully open, closed and intermediate electric proximity sensors
  • Minimum maintenance required
  • Diaphragms can be chosen to suit any application
  • Bore sizes are 150mm, 200mm and 300mm
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Data sheets

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