Mucon Powder Valves and Components

WELCOME to Mucon USA…The Mucon brand has been associated with bulk solids handling equipment since the late 1940s. Our line includes, Iris Diaphragm Valves, Hygienic Butterfly Valves, Slide Gate Valves, Disc Valves, Discharge Aids and Level Probes.

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Mucon USA AD Series Iris Valve

Mucon AD Series Iris Valve

Our most popular Mucon AD Series Iris Valve for in-line applications requiring hand operation.


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