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W71 Series - Double Seat Mix Proof Shut-Off Valves

Product Type:
Valves / Mix Proof Valves

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

Specifications

For general purpose mix proof 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 Mix Proof Seat Clean Movement Adjustment
W71 Upper Stem Tef-Flow™ P (PEEK) Seat Removal
W71 Upper Stem Tef-Flow™ P (PEEK) Seat Install
W71 Lower Stem Tef-Flow™ P (PEEK) Seat Removal
W71 Lower Stem Tef-Flow™ P (PEEK) Seat Install
Mix Proof Valve Manifold Demonstration
Downloads
Datasheets
DS-1220 W71 and W73 Series Mix Proof Double Seat Valves US
VK-1000 - Single Seat, Double Seat and Ball Valve Key US
Flyers
FB-0031 - Beverage - Mix Proof Valves - Product Highlights US
FB-0032 - Brewery - Mix Proof Valves - Product Highlights US
FB-0034 - General Food - Mix Proof Valves - Product Highlights US
FB-0050 - Construction - Mix Proof & Single Seat Valves - Product Features US
FB-0051 - Materials - Mix Proof & Single Seat Valves - Product Features US
FB-0083 - Actuator: Mix-Proof - Mix Proof & Single Seat Valves - Product Features US
FH-1804 - Control Top Cover Upgrade and NEMA 6 Upgrade Option US GB
Manuals
95-03087 - W70 Series Mix Proof Valves W71, W72RS, W72RSP, W73 (IN O.D. TUBING SIZES) US CH
95-03083 - Control Tops for Waukesha Cherry-Burrell Valves and Switch-Only Options US
95-03091 - W71 and W72RS Schedule 5 Mix Proof Valves US
H326406 - APV CU4 As-interface Control Unit GB
H323871 - APV CU4 Direct Connect Control Unit GB
Application Sheets
FF-2200 - Mix Proof Selection and Application Guide US
Drawings and Models

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 
  • Use Big Machines or contact Application Engineering team to verify assembly validity.



Lower Adapter Assembly
Type Size
  1.5" 2.0" 2.5" 3.0" 4.0"
Standard

Low-Adapter-1.5

 

Low-Adapter-2 Low-Adapter-2.5 Low-Adapter-3 Low-Adapter-4
With Flush Low-Adapter-1.5-Flush Low-Adapter-2-Flush Low-Adapter-2.5-Flush Low-Adapter-3-Flush Low-Adapter-4-Flush
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 - SL W71 W73
SL-1.5
W71 W73
SL-2
W71 W73
SL-2.5
W71 W73
SL-3
W71 W73
SL-4
W71 W73 W72RS - NSL W71 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 - SL W72RS
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
Detail Type
Burkert 8681 Burkert 8681 for Fully-Maintainable Actuators
CU4 CU4 for Fully-Maintainable Actuators  
WCB WCB for Fully-Maintainable Actuators  
W75CP2
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
One-Piece Bodies A1   130760 129946 129961 131018
B1   130762 129948 129963 131020
B2   130763 129949 129964 131021
B3   130764 129950 129965 131022
C1   130761 129947 129962 131019
E1   130759 129945 129960 131017
W71
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
One-Piece Bodies A1 107758 107803 107898 107922 107945
B1 107760 107805 107900 107924 107947
B2 114652 112515 114458 113726 114579
B3 107761 107806 107901 107925 107948
C1 107759 107804 107899 107923 107946
E1 107757 107802 107897 107921 107944
W72RS
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
One-Piece Bodies A1 113274 113082 113268 113076 113254
B1 113276 113084 113270 113078 113256
B2 113277 113085 113271 114835 113257
B3 113278 113086 113272 113079 113258
C1 113275 113083 113269 113077 113255
E1 113273 113081 113267 113075 113253
W72RSP
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
One-Piece Bodies A1     126926 126916 113254
B1     126928 126918 113256
B2     126929 126919 113257
B3     126930 126920 113258
C1     126927 126917 113255
E1     126925 126915 113253
W71 Two-Piece Clamped Bodies
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
CS C 106013 106014 107917 107920 107954
S 107755 108319 107895 107918 106411
TS T 106025 106026 106027 106028 106029
S 107755 108319 107895 107918 106411
TD T 106025 106026 106027 106028 106029
D 106412 108320 107896 107919 107953
CD C 106013 106014 107917 107920 107954
D 106412 108320 107896 107919 107953
W72RS Two-Piece Clamped Bodies
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
CS C 122381 118700 123784 119026 123786
S 107755 108319 107895 107918 106411
TS T 122380 118699 123783 119025 123785
S 107755 108319 107895 107918 106411
TD T 122380 118699 123783 119025 123785
D 106412 108320 107896 107919 107953
CD C 122381 118700 123784 119026 123786
D 106412 108320 107896 107919 107953
W72RS Tank Outlet
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
Two-Piece Clamped Bodies T2     123784 119026 123786
T1     123783 119025 123785
1/8" Flange   114824 114825 114826 114827 114828
1/4" Flange   114829 114830 114831 114832 114833
W73 Divert Three-Piece Clamped Bodies
Body Configuration Body Type Size
    1.5" 2.0" 2.5" 3.0" 4.0"
TTT T 106025 106026 106027 106028 106029
T 111230 111231 111232 111233 111234
T 107755 108319 107895 107918 106411
CTT C 106013 106014 107917 107920 107954
T 111230 111231 111232 111233 111234
T 107755 108319 107895 107918 106411
TCT T 106025 106026 106027 106028 106029
C 111236 111237 111238 111239 111240
T 107755 108319 107895 107918 106411
TCC T 106025 106026 106027 106028 106029
C 111236 111237 111238 111239 111240
C 106412 108320 107896 107919 107953
CCC C 106013 106014 107917 107920 107954
C 111236 111237 111238 111239 111240
C 106412 108320 107896 107919 107953
CTC C 106013 106014 107917 107920 107954
T 111230 111231 111232 111233 111234
C 106412 108320 107896 107919 107953
TTC T 106025 106026 106027 106028 106029
T 111230 111231 111232 111233 111234
C 106412 108320 107896 107919 107953
CCT C 106013 106014 107917 107920 107954
C 111236 111237 111238 111239 111240
T 107755 108319 107895 107918 106411
Port Connections
Size
1" 1.5" 2.0" 2.5" 3.0" 4.0" 6.0"
S-Line S-Line S-Line S-Line S-Line S-Line S-Line