For general purpose Mix Proof applications, WCB offers 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 µm) 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)

• 
  FF-2200_MixProof_Selection_and_Application_Guide.pdf
  225 KB
  United States
• 
  FB-0031_WCB MixProof_Beverage_PH_7.14.PR.pdf
  1373 KB
  United States
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  ds-1205_mixproofv_wcb.pdf
  1321 KB
  United States
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  h323871_CU4DC_UK.pdf
  909 KB
  United States
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  ds-1220_w71w73mixproofv_wcb.pdf
  1800 KB
  United States