VSI AWWA C508 Series Installation, Operation And Maintenance Manual Download | Manualshive

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INSTALLATION, OPERATION AND MAINTENANCE

VSI AWWA C508 RUBBER FLAPPER CHECK VALVE

VRSG-3

02-16

© 2014 VSI Waterworks LLC

2

TABLE OF CONTENTS

INSTRUCTIONS

3

SAFETY MESSAGES

3

GENERAL

4

UNLOADING

4

INSPECTION PRIOR TO INSTALLATION

4

STORAGE

4

INSTALLATION

4

INSPECTION AND MAINTENANCE

6

TROUBLESHOOTING

8

DISASSEMBLY AND REASSEMBLY

9

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Summary of Contents for AWWA C508 Series

Page 1: ...VSI Waterworks 2 48 AWWA C508 RUBBER FLAPPER CHECK VALVE Publication VRSG 3 FEB 2016 INSTALLATION OPERATION AND MAINTENANCE MANUAL VSI AWWA C508 RUBBER FLAPPER CHECK VALVE...

Page 2: ...PER CHECK VALVE VRSG 3 02 16 2014 VSI Waterworks LLC 2 TABLE OF CONTENTS INSTRUCTIONS 3 SAFETY MESSAGES 3 GENERAL 4 UNLOADING 4 INSPECTION PRIOR TO INSTALLATION 4 STORAGE 4 INSTALLATION 4 INSPECTION A...

Page 3: ...stantly alert to potential emissions of pipeline material and take appropriate safety precautions Always wear suitable protection when dealing with hazardous pipeline material also handle valves that...

Page 4: ...recommendations is likely to result in damage to the valve SECTION 3 INSPECTION PRIOR TO INSTALLATION Rubber Flapper Swing Check Valves should be inspected at the time of receipt for damage in shipme...

Page 5: ...hydrostatically test newly installed piping sections including Valves at some pressure above the system design pressure The test pressure should not exceed the rated working pressure of the Valve Afte...

Page 6: ...e at all joints connections and areas of seals If leakage is observed all defective O rings seals gaskets or end connection sealing members should be replaced If the leakage cannot be corrected immedi...

Page 7: ...ld be recorded SECTION 7 REPAIRS Leakage broken parts hard operation and other major defects should be corrected by a repair crew as soon as possible after the defect has been reported If repairs are...

Page 8: ...n out debris Leakage between the body and cover of the valve Bolts and nuts may be loose or tightened irregularly Loosen then retighten bolts and nuts evenly Cover Gasket may be damaged Follow instruc...

Page 9: ...isassembly and Reassembly 1 Shut off line flow fully 2 Screw backflush attachment fully inward by rotating in a clockwise direction to equalize pressure across valve 3 Loosen and remove the entire bac...

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