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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%
