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The Mucon® Oyster Monobloc Valve is one of the most cost effective, strong monobloc valves on the market. Comprises of a flexible elastomeric disc which is co-moulded onto the shaft. This design helps ensure that the risk of damage to tablets being shut off is unlikely when the valve is closed.


  • Consists of a one-piece valve body
  • The shaft/disc co-moulded assembly is held by a substantial PTFE bush
  • The entire monobloc valve is held by one machine screw
  • Body of the valve – 316L stainless steel
  • Co-moulded sisc and shaft – FDA approved silicone and 316L stainless steel
  • Guide bush – PTFE
  • Handle – 304 stainless steel
  • Machine screw – 304 stainless steel


The Mucon® Oyster Monobloc valve is used to shut-off the flow of tablets in pharmaceutical processing plants.


  • Available in full mirror polished contact surfaces for use in clean room installations
  • A variety of surface finishes is available such as; ceramic sandblasting and electro-polished
  • Available in sizes DN150 (6”) and DN200 (8”) as standard
  • Other sizes can be produced upon request


  • The valve has a flexible disc, so no gasket is required
  • It is extremely easy to dismantle and reassemble after cleaning, as the valve is produced by such few components
  • Lower maintenance costs
  • Down time is decreased and productivity is increased
  • Can be mounted via a standard clamp
  • Tri-clamp or via a customer specific flange arrangement


  • All contact parts are made from 316L stainless steel
  • Mirror polished contact surface Ramax <0.4µm
  • Disc material is produced from FDA approved silicone or EPDM
  • Standard size is DN150. Other sizes can be produced
  • Able to function in temperatures of -20°C to +55°C
  • Scotch rite non-contact surface finish (other finishes available upon request Wide variety of mounting methods)
  • Total weight 2.6Kg (Standard DN150 version)

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