Instruction Manual
D103312X012
GX 3-Way Valve and Actuator
July 2017
17
6. Install bonnet, and actuator yoke onto the valve body by completing the assembly according to steps 14 to 27 of
the section Replacing Packing, omitting step 17 if new packing is not being installed.
Bottom Port Common Trim Assembly
1. Once the seal ring (key 37) is removed, the elastomeric backup ring (key 38) can be pried from the groove.
2. To install a new backup ring (key 38) and seal ring (key 37) into the cage (key 2), apply a general purpose
silicone‐based lubricant. Slide the backup ring into the cage and into the groove. Slide the seal ring from the top
into the cage over the backup ring.
silicone‐based lubricant.
4. Before installing a new cage, thoroughly clean the threads in the valve body. Apply a suitable lubricant to the
threads and to the radius surface of the cage (key 2). Screw the cage into the valve body. Using the cage tool,
tighten the cage and torque according to the values in table 7. Remove all excess lubricant after tightening.
Figure 6. Seat Ring or Cage Removal and Installation Tool
GE02918‐6
A
B
C
C
D
F
E
Table 6. Seat Ring or Cage Driver Dimensions
Valve Size
A
B
C
D
E
F
O
DN
NPS
mm
Side‐Port Common
25
1
36
20
2X 13.2
7.5
100
53
40
1‐1/2
46
28
2X 13.2
7.5
105
63
50
2
60
36
2X 15.2
8.5
121.5
93
80
3
70
44
2X 17.2
9.5
169
113
100
4
70
44
2X 17.2
9.5
169
113
Bottom‐Port Common
25
1
36
20
2X 13.2
7.5
58
53
40
1‐1/2
46
28
2X 13.2
7.5
63
63
50
2
60
36
2X 15.2
8.5
80
93
80
3
70
44
2X 17.2
9.5
105
113
100
4
70
44
2X 17.2
9.5
105
113