DeZurik APCO CVS-250A Gebrauchsanweisung - Seite 3
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Table of Contents
Instructions ................................................................................................................................. 1
Safety Messages ........................................................................................................................ 1
Inspection ................................................................................................................................... 1
Parts ........................................................................................................................................... 1
DeZURIK Service ....................................................................................................................... 1
Table of Contents ....................................................................................................................... 3
Description ................................................................................................................................. 4
Handling and Storage ................................................................................................................. 4
Installation .................................................................................................................................. 4
Fusion/Powder Coated Valves ................................................................................................... 5
Maintenance ............................................................................................................................... 5
Shaft Packing Adjustment ....................................................................................................... 5
Shaft Packing Replacement ................................................................................................... 6
Disc Seat Replacement .......................................................................................................... 6
Changing Counterweight or Spring Assembly to Opposite Side of Valve ............................... 7
Adding Air Cushion Assembly to Valve ................................................................................... 8
Operation ................................................................................................................................... 9
Closure Speed Control Adjustment (Valves with Lever & Weight) .......................................... 9
Closure Speed Control Adjustment (Valves with Air Cushion) ................................................ 9
Start-up Procedure ............................................................................................................... 10
Adjustment (Valves with Air Cushion with Lever & Weight) .................................................. 10
Adjustment (Valves with Lever & Weight) ............................................................................. 10
Drawings .................................................................................................................................. 11
Troubleshooting ....................................................................................................................... 15
October 2018
APCO CVS-250/250A Swing Check Valves
Page 3
DeZURIK
D12003