Discover our digital solutions. Schenck process NEXT logo


Specifically designed for applications demanding the highest level of hygiene, normally associated with the food and pharmaceutical markets. The Mucon® K Series Iris Diaphragm Valve can be stripped down and cleaned in moments, without needing any tools.


  • All body parts are made from 316 stainless steel as standard
  • All fixings and fastenings are also manufactured in 316 stainless steel
  • The150mm and 200mm Iris valves have a white acetal control ring and trigger for reduced wear
  • The 250mm Iris valves have white acetal clamp rings, handle and trigger
  • The white moulded diaphragms of natural rubber, EPDM and silicone are all made from FDA approved materials


  • For any application where a high degree of cleanliness is required and where a regular strip down for cleaning is necessary. e.g. food & pharmaceutical industries
  • For handling pharmaceutical tablets and capsules
  • The soft diaphragm and gentle action of the valve prevents damage to the product therefore significantly reducing any waste product
  • These valves can be used on the walls of cleanrooms for glanding around cables, tubes or service pipes
  • Manually operated K Valve can be certified for ATEX zone 21D
  • The Power operated K Valve is certified for ATEX 1D/2D categories


  • Quick release and bolt mounted versions
  • Mounting flanges with quick release clamps allow the Series K to be welded to the client’s equipment
  • Available with tri-Clover compatible connection flanges, ideal for wall mounting in a cleanroom


  • Only the diaphragm comes into contact with the product
    Iris valve cannot jam
  • Easy to control the flow of powder and tablets
  • This valve is able to handle material densities up to 1600 kg/m³
  • Unique fasteners for rapid disassembly – no need for any tools
  • Very easy to clean and maintain


  • This valve has a moulded diaphragm that extends fully from inlet to outlet, therefore doubles as the valve’s gasket
  • Quick release or bolt mounting options to suit requirements
  • To ensures ease of operation and reduced maintenance plastic moving parts are used
  • Enables quick dismantling of body parts without the need for tools (hand operated units only)
  • Bore sizes – 150mm, 200mm and 250mm
PDF icon


Data sheets

We’re there for you

Partnership for us means always being on hand to support you whenever and wherever you need us. With our global network of locations and expert partners, we make sure we are always right by your side.

Icon chat

Find your
nearest expert

Get the local support you need

Search now
Icon phone


Got a challenge, a question or some feedback for us?

Get in touch
Icon headset

Your Service

Need some urgent help? We’re here for you 24/7

Contact us now