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TABLE OF CONTENTS
I. INTRODUCTION 3
II. DESIGN AND FUNCTION 4
1. FIGURE 1 – TYPICAL TANK INSTALLATION 4
2. FIGURE 2 – PRESSURE RELIEF 4
3. FIGURE 3 – VACUUM RELIEF 4
III. SAFETY WARNINGS 5
IV. INSPECTION AND STORAGE 5
V. INSTALLATION 6
1. TABLE 1 – BOLT TORQUE AND STUD SPECIFICATIONS 6
2. TABLE 2 – VALVE WEIGHTS AT MAXIMUM SETTINGS 6
VI. MAINTENANCE 7
1. FIGURE 4 – VALVE CROSS SECTION 7
2. TABLE 3 – STEM LENGTH 8
VII. VALVE TESTING PROCEDURE 8
1. TABLE 4 – SEAT LEAKAGE TEST CRITERIA 8
VIII. SOFT GOODS KITS 9
IX. MODEL IDENTIFICATION 10
X. PRODUCT LIMITED WARRANTY 11
XI. APPENDIX A – MODEL 1200A PRESSURE/VACUUM RELIEF VALVE 12
XII. APPENDIX B – MODEL 1220A PRESSURE/VACUUM RELIEF VALVE 13
XIII. APPENDIX C – MODEL 1260A PRESSURE RELIEF VALVE 14
XIV. APPENDIX D – MODEL 1300A VACUUM RELIEF VALVE 15
XV. APPENDIX E – MODEL 1360A VACUUM RELIEF VALVE 16
XVI. APPENDIX F – MODEL 2300A PRESSURE RELIEF VALVE 17
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