Discover our digital solutions. Schenck process NEXT logo


The Mucon® Disc Valve is a radially pivoting isolation swing gate valve appropriate for applications where temperature and pressure are involved. Unlike a lot of conventional slide valves, the disc valve does not jam or leak, this is due to its unique angled seat and floating disc arrangement. Five bore sizes available with three main construction materials; aluminum, cast iron and stainless steel. Hand lever operated swing gate valves also available.

Customers have told us that disc valves have completed many thousands of operations before any attention is necessary. A valve specification which encompasses all the advantages found in slide and butterfly valves, but with none of the disadvantages. A radially pivoted arm supports a free floating disc. The arm allows the disc to swing in an arc towards an angled seating face. The angled face guarantees the disc only makes contact at the last moment causing a mild wedging action.


  • Constructed from aluminum alloy, cast iron and stainless steel (stainless steel not available in 300mm bore)
  • Flanges drilled to BS4504 PN10- PCD & No. of holes only, not hole size


  • Silo discharge valves for heavy duty products such as cement powder, limestone powder and sand
  • Isolation valves between silos and screw conveyors
  • Valves for feeding reactor vessels (two products react together)
  • Valves can be used in pairs for volumetric dosing into processes
  • Charging dense phase conveying blow pots Hot ash collection hoppers


  • A variety of seal materials to suit the most arduous process or clean down processes
  • A variety of shaft bearing materials
  • Various coatings are available for extreme applications
  • Open and closed and intermediate position indication switches
  • Pre-piped and valve mounted control solenoid assemblies
  • Can be upgraded for ATEX Zone 21/22 dust


  • Non jamming action
  • Full bore discharge
  • The swing gate valve is able to cut through a static column of product
  • 100% product shut-off
  • Easy replacement of disc seal
  • Dust tight, long life, low maintenance


  • No slide guides to jam or collect product
  • The shaft only passes through the body casting and is easily sealed using a proprietary seal assembly
  • A dovetail groove in the seating face locates another proprietary seal guaranteeing a dust tight closure of the swing gate valve
  • A range of bore sizes are available from 100mm to 300mm, with the outlet always larger than the inlet, ensuring no product hang-up points internally
  • In-situ seal wear adjustment
  • Three purge points built into the valve body ensure ease of cleaning

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