VSI AWWA C504 User manual

VSI Waterworks
24” - 120” AWWA C504
REPLACEABLE SEAT BUTTERFLY VALVES
504-108

INSTALLATION, OPERATION AND MAINTENANCE MANUAL
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES

INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
504-108
03-22 © 2022 VSI Waterworks LLC

TABLE OF CONTENTS




    

        

         
        

    
       

INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
© 2022 VSI Waterworks LLC 504-108
03-22
SCOPE:



WARNINGS:




!WARNING!

            





RECEIVING:







!WARNING!
         


INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
504-108
03-22 © 2022 VSI Waterworks LLC

SECTION 1 - GENERAL





SECTION 2 - UNLOADING





SECTION 3 - STORAGE





SECTION 4 - INSPECTION PRIOR TO INSTALLATION




SECTION 5 - INSTALLATION



Sec. 5.1 Handling


Sec. 5.2 Integrity







INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
© 2022 VSI Waterworks LLC 504-108
03-22



Sec. 5.3 Adjustable Seats


Sec. 5.4 Foreign Material


Sec. 5.5 Pipe Ends



Sec. 5.6 Wafer Valves

Sec. 5.7 Installation Location and Orientation





Sec. 5.8 Valve Boxes and Buried Service


Sec. 5.9 Vaults




SECTION 6 - TESTING



Sec. 6.1 Hydrostatic testing


Sec. 6.2 Valve flushing


Sec. 6.3 Seat leakage



INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
504-108
03-22 © 2022 VSI Waterworks LLC

SECTION 7 - OPERATION
Sec. 7.1 Pressure ratings

Sec. 7.2 Torque limits







Sec. 7.3 Stuck valves



SECTION 8 - MAINTENANCE




Sec. 8.1 Prompt repairs



Sec. 8.2 Field repairs


Sec. 8.3 Line flow


Sec. 8.4 Valve cycling


Sec. 8.5 Notifications



Sec 8.6 Parts



INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
© 2022 VSI Waterworks LLC 504-108
03-22
SECTION 9 - PACKING REPAIR
Sec. 9.1 Packing Adjustment



Sec. 9.2 Packing Replacement
























INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
504-108
03-22 © 2022 VSI Waterworks LLC
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SECTION 10 - SEAT REPLACEMENT AND ADJUSTMENT





Sec. 10.1 - Seat Replacement
 
 

 

 
Sec. 10.2 - New Seat Adjustment
 
 

 
 

 
 


Sec. 10.3 Existing Seat Adjustment
 
 

 
NOTE:


INSTALLATION, OPERATION AND MAINTENANCE
VSI AWWA C504 REPLACEABLE SEAT BUTTERFLY VALVES
© 2022 VSI Waterworks LLC 504-108
03-22
SECTION 11 - TROUBLESHOOTING
Condi� on Possible Cause Correc� ve Ac� on
  
 
 


 






 



 
























