Flowserve Valtek FlowTop V750 User Instructions page 20

Valtek FlowTop
NOTICE The belleville springs
must be stacked in series !
Internal packing design, live loaded -
disassembly instructions
1. Turn the packing follower (80) counter clockwise to
loosen, remove the belleville springs (138) and upper
stem guide (87).
2. Use an Packing Driver Tool to remove the packing box
ring (93) and packing (88) by knocking out from below.
Figure 16: Disassemble / Reassemble the packing
Item Part
80 Packing follower
87 Upper stem guide
88 Packing
External packing design, live loaded -
disassembly instructions
1. Turn the nuts (117) counter clockwise to loosen, re-
move the washer (112) belleville springs (138) and
gland flange (80).
2. Use an Packing Driver Tool to remove the packing box
ring (93) and packing (88) by knocking out from below.
20
FCD VLEEIM1485-04 (EN/A4) November 2022
80
80
138
138
87
87
88
88
93
93
or
Item Part
93 Packing box ring
138 Belleville spring
Table 18: Packing parts
117
112
138
80
109
88
93
Figure 17: Disassemble / Reassemble the packing
Item Part
80 Gland flange
88 Packing
93 Packing box ring
109 Studs
Table 19: Packing parts
MegaStream noise reduction and CavStream
anti-cavitation trims:
Structurally, there is no difference between a seat retainer
and a MegaStream retainer; both are assembled and disas-
sembled identically. Follow instructions in Section 13.
Figure 18: MegaStream
CavStream should be treated the same as the plug assembly.
Follow same instructions as noted on pages 13 through 18.
Figure 19: CavStream
Care should be taken to observe any
NOTICE
wear on the CavStream plug head.
117
112
138
80
109
88
93
or
Item Part
112 Washer
117 Nuts
138 Belleville spring