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V150E Valve
July 2017
Figure 7. Informational Tag
GE11636‐A
FOR STANDARD RIGHT/LEFT HAND BALL
Installing the Taper Key
Current standard construction materials for all valves require the taper key (key 4, figure 9) to be tack welded in place
after properly seating, using the following procedure. Use standard welding preparations when preparing parts for
C
reassembly.
CAUTION
Make sure the drive shaft is free of oil or grease, otherwise the taper pin or taper key will not seat properly. Failure to
properly set the taper pin or taper key could result in it coming loose while in service. Loosening of the taper key in service
could result in improper valve function and equipment damage.
8. Install the drive shaft (key 6) into the valve body through the ball and into the ball.
9. Insert the taper key (key 4) into ball and drive shaft (keys 2 and 6) as shown in figure 8. The taper key inserts with the
flat side of the key facing the drive shaft (key 6).
10. Using a flat end punch, drive the groove pin (key 7) into the ball ear and follower shaft until it is flat with the ball
ear surface. Stake both ends of the pin hole with a center punch to ensure the groove pin does not come out.
11. Using a flat end punch, drive the taper key (key 4) into the ball ear and drive shaft (key 6) until solid, heavy contact
is obtained between the key and shaft.
12. Measure the position of the taper key head.
13. Drive the taper key in further using the minimum distance shown in table 4.
14. Inspect the ball/shaft taper key connection to verify that the taper key spans the entire shaft flat width. If not, the
taper key must be driven in further until this condition is satisfied. However, do not exceed the maximum depths
shown in table 5.
Note
All valve taper keys are tack welded, except titanium.
14
GE11637‐A
FOR OPTIONAL LEFT HAND BALL
Instruction Manual
D103435X012
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