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I N S T R U CT I O N M A N UA L
W-Series Mix Proof Valves
W 7 1 , W 7 2 R S , W 7 2 R S P, W 7 3 ( I N O . D . T U B I N G S I Z E S )
F O R M N O . : 9 5 - 0 3 0 8 7
R E V I S I O N : 1 0 / 2 0 1 2
R E A D A N D U N D E R S TA N D T H I S M A N UA L P R I O R TO O P E R AT I N G O R S E R V I C I N G T H I S P R O D U CT.
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Table of Contents
Related Manuals for SPX W71
Summarization of Contents
Warranty Information
Shipping Damage or Loss Procedures
Procedures for handling equipment damaged or lost during transit.
Warranty Claim Process
Steps to initiate a warranty claim for defective products.
Safety Information and Standards
General Safety Standards and Precautions
Lists key industrial safety standards and operational precautions.
Hazard Warnings and Cautions
Identifies danger, warning, and caution symbols and their meanings.
Care of Stainless Steel
Stainless Steel Corrosion Prevention
Guidance on preventing corrosion and maintaining stainless steel integrity.
Elastomer Seal Inspection Post-Passivation
Instructions for inspecting elastomer seals after passivation processes.
Introduction to Mix Proof Valves
General Information and Factory Inspection
Overview of manual content, recommended practices, and factory tests.
Models and Specifications Overview
Details on valve types, materials, and serial number identification.
Operating Parameters
Temperature Range and Limitations
Recommended operating temperature ranges and thermal expansion considerations.
Seal Compatibility Guide
Table detailing chemical resistance and thermal compatibility for FKM/EPDM seals.
Valve Features and Specifications
Seat Options and Materials
Description of available seat types (Tri Ring, Radial) and their materials.
Pressure Ratings for Valve Sizes
Specifies operating and holding pressure ratings based on valve size.
Installation Procedures
Valve Location and Orientation
Guidelines for proper valve placement and orientation for functionality.
Welding and Air Supply Requirements
Instructions for welding installation and air supply specifications.
Pipe System Fittings and Support
Guidance on using fittings, pipeline support, and thermal expansion management.
Installing Valve Manifolds and Actuator
Steps for installing valve manifolds and assembling the actuator to the body.
Operation and Control
Solenoid Valve Port Connections
Explanation of pneumatic control and solenoid valve port configurations.
Automatic Fail-Safe System and Testing
Details on the fail-safe system and procedures for positive fail-safe detection tests.
Valve Operating Conditions and Corrective Actions
Description of valve states (open, closed) and troubleshooting for operational failures.
Maintenance Procedures
Maintenance Intervals and Inspection Points
Recommendations for maintenance scheduling and regular inspection items.
Lubrication and Cleaning Guidelines
Instructions for lubrication and cleaning methods, including CIP.
Seat Cleaning Adjustment and Valve Removal
Procedures for adjusting seat cleaning and safely removing the valve from the system.
Stem and Actuator Disassembly/Reassembly
Steps for disassembling valve stems and actuator components for maintenance.
Parts Lists
W71 Mix Proof Non-Seat Lift Valve Parts
Comprehensive parts list and diagrams for the W71 Non-Seat Lift valve model.
W72RS Mix Proof Seat Lift Valve Parts
Detailed parts list and diagrams for the W72RS Seat Lift valve model.
W73 Divert Mix Proof Seat Lift Valve Parts
Component breakdown and part numbers for the W73 Divert Seat Lift valve.
Valve Stems and Actuator Components
W71 Series Valve Stems and Parts
Specific stem part numbers and diagrams for W71 series valves.
W72RS Series Valve Stems and Parts
Valve stem part information and diagrams for W72RS series valves.
W71/W73 Actuator Assembly Diagrams
Illustrative diagrams of W71/W73 Seat Lift actuator components and assembly.
Installation Tools
Recommended Installation Tools List
Identifies specific tools required for valve installation and maintenance.
Troubleshooting Guide
Common Leakage and Operation Issues
Identifies common problems like leakage and valve operation failures with solutions.
Electrical and Moisture Issues
Addresses electrical indicator problems and moisture in switch housings.
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