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AD Series Iris Valve

Our most popular Iris Valve for in-line applications requiring hand operation

AD Series Iris Valve


The Series AD valve is the most popular of Mucon's hand operated valve range. The AD is a double diaphragm Iris Valve and is ideal for in-line applications with no leakage to atmosphere.


  • All body parts are manufactured from aluminium
  • The Control Ring (Handle) for sizes up to and including 200mm diameter are Gunmetal. For valve sizes greater than 200mm diameter are produced in Aluminium / Zinc
  • Nylon triggers and 316 stainless steel screws are used to combat corrosion
  • Sizes 380mm and 450mm have hand wheel operation as standard


  • Outlet valve for Silos, Bins, Hoppers and Chutes
  • Can be used for In-Line applications
  • Discharge from Sifters, Ribbon Mixers, and Double Cone Blender outlets
  • For manual bagging of material where frequent operation is involved
  • Controlling discharge from containers into weigh hoppers
  • Closing the 'necks' of Big Bags where a valve smaller than the Series JS12 is required


  • All valve parts can be produced in 316 stainless steel (Except for the AD3)
  • Flurene or other coatings are available for valves working in corrosive environments
  • Stainless steel clamp rings
  • Multi-notching of the valve is available to enhance flow control
  • Hand wheel operation is available for sizes 150mm to 300mm


  • The Iris Valve is non jamming
  • Full bore diaphragm opening (no restriction to product flow)
  • No mechanical wear of the valve from abrasive products
  • Diaphragms and liners are easy and inexpensive to replace
  • Easy valve operation and maintenance
  • Safe, gentle and strong. Therefore an ideal solution for many diverse applications


  • The double diaphragm means it is ideal for in-line applications with no leakage of material to atmosphere
  • Robust construction for medium to heavy duties, handling materials up to 1600 Kg / m³
  • In-situ Iris diaphragm adjustment reduces maintenance time
  • Its proven design is suitable for frequent operation
  • Our large range of diaphragms can suit an enormous range of applications
  • Bore sizes from 80mm to 450mm
Need advice?
Call +44 (0)1625 412000 / Email
Call +1 215 788 8013

Lines open 08:00-17:00 Mon-Thurs | 08:00-16:00 Fri


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