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W71 Series - Double Seat Mixproof Shut-Off Valves
Mixproof valves provide safe separation of dissimilar products within the same valve body.
Product 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
Locate 3D STEP files below categorized by:
- Lower Adapter Assemblies
- Actuators with Yoke
- Control tops
- Valve body types
Download Directions: (Recommended Browser: Google Chrome)
- Click on a category below
- Locate a part number you want to download
- Right click on the hyperlink
- Choose Save As and browse to your save your file
- To open files use a 3D drawing viewer such as (AutoDesk Inventor) or open using SolidWorks.
Additional Resources:
- View valve assembly instructions to learn how to build your 3D valve in the correct order.
- View W70 valve body configuration chart for visual reference.
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 Retainer 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 Steam Vent Cavity 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 W72RSSL-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