Tomoe 304YA, Instruction Manual

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R
INSTRUCTION MANUAL
High Performance Butterfly Valve
304YA
Contents
Page
FOR YOUR SAFE USAGE 1
1. PRODUCT FEATURES 2
1. 1 About the Product 2
1. 2 Standard Specifications 2
1. 3 Pressure - Temperature Rating 3
2. STRUCTURE 4
2. 1 Expanded View and Part List 4
3. PRECAUTIONS FOR USE 5
3. 1 Safety Measures 5
3. 2 Transportation and Storage 6
3. 3 Installation and Working Environment 7
3. 4 Installation Precautions 9
3. 5 Precautions for Safe Handling After Installation 12
3. 6 Maintenance
13
4 INSTALLATION 15
4. 1 Installation Procedure 15
5 MAINTENANCE 17
5. 1. Seatring Disassembly/Assembly Procedures 17
5. 2 Removal of Valve Body and Actuator
18
5. 3 Disassembly/Assembly Procedures of Gland area 19
5. 4 Assembly Procedure of Valve Body and Actuator 20
5. 5 Valve Body Full-Close Position Adjustment Procedure 21
6. Piping Data 22
6. 1 Minimum Inner Pipe Diameter and Disc
Protruding Dimension at Full-open Position
22
6. 2 Applicable Pipes 22
6. 3 Piping Gasket Dimensions 23
6. 4 Piping Bolt Sizes 24
7. TROUBLESHOOTING 25
7. 1 Troubleshooting 25
WARRANTY PERIOD / SCOPE OF WARRANTY
AND INDEMNITY / CHARGED REPAIR SERVICE
AND SUPPLY OF DISCONTINUED PARTS / 28
REPLACEMENT TIMING OF SPARE PARTS /
APPLICABLE APPLICATION CONDITIONS