Brewery Double Seat Mix Proof Valves - W71 Series

The W71 Series Mix Proof valves feature compression style seats for standard shut-off service that ensure long life and dependability.

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
• Long life, chemically inert TFM seat option
• 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
• Optional chemically-inert PEEK™ seat offering for long life and durability

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

• 2"-  6" (51mm - 152mm) Sch. 5 Sizes - 150 psig (10 bar)

• W71 Shut-off Mix Proof
• W71 Tank Outlet and Horizontal Mounted Mix Proof
• W71 Balanced Horizontal Mix Proof