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W71 Series - Double Seat Mixproof Shut-Off Valves

  • Specifications

For general purpose mixproof applications, we offer the W71 Series for standard shutoff service. Materials

  • 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 Compression Seal on Upper and Lower Stems
  • Elastomers: EPDM or FKM (Fluoroelastomer)
  • Finish: ≤ 32 Ra (≤0.8 m) Other finishes available upon request.

Pressure Ratings (Operating Pressure)

  • 1½" - 3" (38mm - 76mm) Sizes - 150 psig (10 bar)
  • 4" (102mm) Size - 100 psig (7 bar)
  • 4" (102mm) Sch. 5 Size - 150 psig (10 bar)
  • 6" (152mm) Size - Consult Factory
  • 6" (152mm) Sch. 5 Size - 150 psig (10.3 bar)

VIDEOS

W70 Mixproof Seat Clean Movement Adjustment

W71 Upper Stem Tef-Flow™ P (PEEK) Seat Removal

Learn to remove Tef-Flow™ P (PEEK) seats from the upper stem of a Waukesha Cherry-Burrell W71 Mixproof Valve.

W71 Upper Stem Tef-Flow™ P (PEEK) Seat Install

Learn to install Tef-Flow™ P (PEEK) seats onto the upper stem of a Waukesha Cherry-Burrell W71 Mix proof Valve.

W71 Lower Stem Tef-Flow™ P (PEEK) Seat Removal

Learn to remove Tef-Flow™ P (PEEK) seats from the lower stem of a Waukesha Cherry-Burrell W71 Mixproof Valve.

W71 Lower Stem Tef-Flow™ P (PEEK) Seat Install

Learn to install PEEK seats onto the lower stem of a Waukesha Cherry-Burrell W71 Mixproof Valve.

Mixproof Valve Manifold Demonstration

Downloads

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