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PARTS INVENTORY PLANNING
In order to maintain the highest level of safety as well as minimize cost while maximizing plant efficiency the
following guidelines have been established for part inventory levels:
PARTS CLASSIFICATION
Refer to the Recommended Spare Parts List for V1 Series Ball Valves below.
RECOMMENDED SPARE PARTS FOR V1 SERIES BALL VALVES
CLASS PART DESCRIPTION QTY/SAME TYPE & SIZE PERCENT COVERAGE
A Gland Packing
Gland Load Springs
1/3 70%
B Body Gasket (Metal)
Belleville Spring
1/5 85%
C End Cap / Integral Seat Ball
Upstream Seat
1/10 90%
D Drive Sleeve
Stem
Gland
1/15 95%
E Yoke Pillers
Bridge
Thrust Bearing
Body Studs & Nuts
1/20 100%
CLASS PARTS USAGE VALVE AVAILABILITY
A Most Frequent 70%
B Less Frequent 85%
C Seldom Replaced 90%
D Rarely Replaced 95%
E Typically Never Replaced 100%
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