SPX FLOW W70 Series - W72 RS MIX Proof Seat Lift Tank Outlet Valve

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Parts Lists Waukesha Cherry-Burrell

Brand W70 Series Mix Proof Valves

Page 66 95-03087 10/2023

W72RS Mix Proof Seat Lift Tank Outlet Valve

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VA100-695

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Main Page

Table of Contents4
Warranty6
Shipping Damage or Loss6
Warranty Claim6
Safety7
Care of Component Materials8
Stainless Steel Corrosion8
Elastomer Seal Replacement Following Passivation8
Introduction9
General Information9
Factory Inspection9
Models and Specifications9
Equipment Serial Number9
Operating Parameters10
Seal Compatibility10
Seat Options11
Pressure Ratings11
W70 Series MIX Proof Actuator Air Volumes11
Installation12
Location12
Welding Instructions12
Air Supply12
Flow Direction12
Fittings13
Pipeline Support13
Installing Valve Manifolds13
Installing the Valve13
Quality of Control Air to Control Module14
External Flush - Liquid Vent Cavity14
Liquid Vent Cavity Only14
Liquid Vent Cavity and Lower Stem14
External Flush - Steam Vent Cavity15
Steam Vent Cavity, Upper and Lower Stem15
Installation16
Function16
Operation17
Solenoid Valve Port Connections17
Automatic Fail-Safe System18
Test Procedures19
Positive Fail-Safe Detection Test19
Corrective Action19
Valve Operating Conditions20
Valve Open20
Valve Closed20
Valve Closed, Upper Seat Lifted20
Valve Closed, Lower Seat Push (for W72RS/W72RSP Series Only)21
Valve Closed, Lower Seat Lift (for W71/W73 Series Valves Only)21
Maintenance22
Maintenance Intervals22
Inspection23
Lubrication23
Cleaning23
Cleaning-In-Place (CIP)23
Seat Cleaning Adjustment25
Lower Seat25
Upper Seat25
W72RS Lower Stem Measurement26
Removing Valve from System26
Disassembly of Valve Stems27
Adapter Bearings and O-Rings28
Inner O-Ring and Bearing Replacement28
Outer O-Ring Replacement28
Tri Ring Seat Replacement29
Radial Seat Ring Replacement (for W72RS Lower Stem)30
Tef Flow® P Seat Replacement with W71 Stems31
Upper Stem Tef Flow® P Seat Removal31
Upper Stem Tef Flow® P Seat Installation32
Lower Stem Tef Flow® P Seat Removal33
Lower Stem Tef Flow® P Seat Installation34
Lower Bearing Carrier O-Ring and Bearing Replacement35
Actuator O-Ring and Bearing Replacement36
Removal of O-Rings and Bearings, Non-Seat Lifting Actuators36
Removal of O-Rings and Bearings, Seat Lifting Actuators37
Installation of Piston and Spring Assembly Using Insertion Sleeve38
For W71/W73 4" Diameter Actuators38
Reassembly of Valve Stems39
Upper Stem Assembly39
Lower Stem Assembly39
Parts Lists40
W71 MIX Proof Seat Lift Valve40
W71 MIX Proof Seat Lift Valve with External Flush42
W71 MIX Proof Seat Lift Valve with Steam Adapter44
W71 MIX Proof Non-Seat Lift Valve46
W71 MIX Proof Non-Seat Lift Valve with External Flush48
W71 MIX Proof Non-Seat Lift Valve with Steam Adapter50
W72RS MIX Proof Seat Lift Valve52
W72RS MIX Proof Seat Lift Valve with External Flush54
W72RS MIX Proof Seat Lift Valve with Steam Adapter56
W72RS MIX Proof Seat Lift Valve with Upper Balancer Option58
W72RS MIX Proof Non-Seat Lift Valve60
W72RS MIX Proof Non-Seat Lift Valve with External Flush62
W72RS MIX Proof Non-Seat Lift Valve with Steam Adapter64
W72RS MIX Proof Seat Lift Tank Outlet Valve66
W72RSP MIX Proof Seat Lift Valve68
W72RSP MIX Proof Seat Lift Valve with External Flush70
W73 Divert MIX Proof Seat Lift Valve72
W73 Divert MIX Proof Seat Lift Valve with External Flush74
W73 Divert MIX Proof Non-Seat Lift Valve76
W73 Divert MIX Proof Non-Seat Lift Valve with External Flush78
MIX Proof Valve Bodies for W71, W72RS, W72RSP, and W73 Valves80
W71/W73 Seat Lift Actuator82
W71/W73 Non-Seat Lift Actuator84
W72RS/W72RSP Seat Lift Actuator86
W72RS Non Seat Lift Actuator88
Installation Tools90
Troubleshooting94

SPX FLOW W70 Series - W72 RS MIX Proof Seat Lift Tank Outlet Valve

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