Fluid Handling and Process Equipment including
  • Sanitary Centrifugal & PD Pumps
  • Dispersion Equipment - Colloid Mill
  • Votator II
  • CR Mixer


Brewery Double Seat Mix Proof Valves - W72RS Series


Mix proof valves provide safe separation of dissimilar products within the same valve body.

The W72RS Series Mix Proof valves feature a lower radial seal seat for minimal spillage of products when opening or closing.

Various model offerings are available to meet the processing demands for brewery mix proof applications.


  • Bodies machined from solid bar 316L give high strength and stability to endure thermal and mechanical stresses common to breweries.
  • 2'' - 6'' (51mm - 152mm) Schedule 5 pipe sizes
  • Fully balanced stems available
  • External Flush available to clean vent cavity and drain during long product run or when CIP not readily available
  • Optional hose barb or clamp connection on the drain port


  • Product Wetted: ASTM 316L (UNS-S31603); (DIN-1.4404)
  • Non-Product: ASTM 304 (UNS-S30400); (DIN-1.4301)
  • Seat: Tri-Ring Compression Seal Upper Stem, Radial Seal Lower Stem
  • Elastomers: EPDM or FKM (Fluoroelastomer)
  • Finish: ≤ 32 Ra (≤0.8 μm); other finishes available upon request.

Operating Pressure Ratings

  • 2" - 6" (51mm - 152mm) Sch. 5 Sizes - 150 psig (10.3 bar)
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