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Shut-Off Double Seat Mix Proof Valves - W71 Series

  • Shut Off Mix Proof Valve Line Drawing

    mixproof_vlv_w71shutoff_1

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  • Shut Off Mix Proof Valve Line Drawing
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Product Types:

mix proof valves, double seat valves

Mix Proof valves provide safe separation of dissimilar products within the same valve body.
 
Our Partner Locator allows you to search distributors within your region for product inquiries
Where to Buy

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)
  • 3A Certification LogoEHEDG LogoCE Certification LogoISO9001 Certification Logo

Locate 3D STEP files below categorized by:

  • Lower Adapter Assemblies
  • Actuators with Yoke
  • Control tops
  • Valve body types

Download Directions: (Recommended Browser: Google Chrome)

  1. Click on a category below
  2. Locate a part number you want to download
  3. Right click on the hyperlink
  4. Choose Save As and browse to your save your file
  5. To open files use a 3D drawing viewer such as (AutoDesk Inventor) or open using SolidWorks.


Additional Resources:


NOTES:

  • Files for reference only. Verify all port dimensions with tables on page 8 of DS-1221
  • Use Big Machines or contact Application Engineering team to verify assembly validity.


Lower Adapter Assembly
Actuators with Yoke
Type
Size
 1.5"2.0"2.5"3.0"4.0"
W75CP2 - SL
W75CP2
SL-2
W75CP2
SL-2.5
W75CP2
SL-3
W75CP2
SL-4
W71 W73 - SLW71 W73
SL-1.5
W71 W73
SL-2
W71 W73
SL-2.5
W71 W73
SL-3
W71 W73
SL-4
W71 W73 W72RS - NSLW71 W73 W72RS
NSL-1.5
W71 W73 W72RS
NSL-2
W71 W73 W72RS
NSL-2.5
W71 W73 W72RS
NSL-3
W71 W73 W72RS
NSL-4
W72RS - SLW72RS
SL-1.5
W72RS
SL-2
W72RS
SL-2.5
W72RS
SL-3
W72RS
SL-4
W72RSP  W72RSP
SL-2.5
W72RSP
SL-3
W72RSP
SL-4
Control Tops
W75CP2
W71
W72RS
W72RSP
Body ConfigurationBody TypeSize
  1.5"2.0"2.5"3.0"4.0"
One-Piece BodiesA1 126926126916113254
B1 126928126918113256
B2 126929126919113257
B3 126930126920113258
C1 126927126917113255
E1 126925126915113253
W71 Two-Piece Clamped Bodies
W72RS Two-Piece Clamped Bodies
W72RS Tank Outlet
Body ConfigurationBody TypeSize
  1.5"2.0"2.5"3.0"4.0"
Two-Piece Clamped BodiesT2123784119026123786
T1123783119025123785
1/8" Flange114824114825114826114827114828
1/4" Flange114829114830114831114832114833
W73 Divert Three-Piece Clamped Bodies
Port Connections
Size
1"1.5"2.0"2.5"3.0"4.0"6.0"
S-LineS-LineS-LineS-LineS-LineS-LineS-Line


W70 Mix Proof Seat Clean Movement Adjustment