Page 293 - Root Cause Failure Analysis
P. 293
Control Valves 281
Table 29-1 Common Failure Modes of Control Valves
I I
E PROBLEM
-
Q)
>
THE CAUSES m
Dirt/Debris Trapped In Valve Seat
Excessive Wear
Galling 0
0
3 Line Pressure Too High 0
a
Mechanical Damage 0
Source: Integrated Systems, Inc.
