K Series Iris Valve

Hygienic all molded diaphragm in a quick release or traditional flange mounting body designs

Series K Iris Valves have been specifically designed for applications demanding the highest level of hygiene normally associated with the food and pharmaceutical markets; as the Series K Iris Valve can be stripped down and cleaned in moments without the need for tools.


  • All body parts are manufactured from 316 stainless steel as standard. All fixings and fastenings are also produced in 316 Stainless steel
  • 150mm and 200mm Iris valves have a white acetal Control Ring and Trigger for reduced wear
  • 250mm Iris valves have white acetal Clamp Rings, Handle and Trigger
  • White molded diaphragms of Natural Rubber, EPDM and Silicone are all manufactured from FDA approved materials


  • Moulded diaphragm that extends fully from inlet to outlet, therefore doubling as the valve’s gasket
  • Quick release or bolt mounting options to suit requirements
  • The use of plastic moving parts ensures ease of operation and reduced maintenance
  • Quick dismantling of body parts without the need for tools (hand operated units only)
  • Bore sizes – 150mm, 200mm and 250mm

Mucon Series K Valve

The Mucon Series K Valves have been specifically designed for applications demanding the highest level of hygiene. Aimed specifically at the food and pharmaceutical markets, the Mucon K Valve can be stripped down and cleaned in moments.


  • Any application where a high degree of cleanliness is required and where a regular strip down for cleaning is required. 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 thereby significantly reducing waste product
  • Hand Operated Valves can be used on the walls of Cleanrooms for glanding around Cables, Tubes or Service pipes
  • Manually operated K Valves can be certified for ATEX Zone 21D
  • The Power operated K Valve is certified for ATEX 1D/2D Categories


  • Only the diaphragm comes into contact with the product
  • Iris valve cannot jam
  • Very easy to control the flow of powder and tablets
  • Able to handle material densities up to 1600 Kg / m³
  • Unique fasteners for rapid disassembly – No tools required
  • Easy to clean and maintain
  • Bolt mounted and Quick Release 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 cleanroom wall mounting
  • Electro-polished Vee clamps allow the valve to be held to the mating flange
  • Blanking plate is available so that the valve can be fitted to the outlet of double cone blenders or similar
  • Multi-notching of hand operated valves is available for flow control
  • Manual, pneumatic or electrical actuation

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