Model 360/361 Control Valves
Dyna-Flo Control Valve Services Ltd.
Phone: 780 • 469 • 4000 Toll Free: 1 • 866 • 396 • 2356 Fax: 780 • 469 • 4035 Website: www.dynafl o.com
P-360M1019A
23
Operation, Parts, and Instruction Manual
ASSEMBLY (Continued)
PACKING INSTALLATION (Continued)
For Double Style PTFE Packing (Continued):
9 Thread the packing nuts (Key 38) onto the threads of the
packing studs, tighten the packing nuts evenly in an
alternating pattern until one of the packing nuts reaches
the minimum torque requirement shown in Table 6. Tighten
the remaining packing fl ange nut until the packing fl ange
(Key 37) becomes level (is parallel with the top face of the
bonnet), refer to Figure 28.
For Graphite Packing:
1 Install the packing box ring (Key 31).
2 Install the fi rst lantern ring (Key 39A).
3 Install the second lantern ring (Key 39).
4 Install 1 ring of graphite fi lament (Key 40) as shown in
Figure 26. NOTE: Graphite fi lament is a wound material
that typically looks like rope and is split.
5 Install 1 ring of graphite ribbon (Key 41) as shown in
Figure 26. NOTE: Graphite ribbon is compressed into rings
and not split like the graphite fi lament.
6 Install the remainder of the graphite fi lament (Key 40) and
graphite ribbon (Key 41) one at a time (as shown in Figure
26) in the proper order and orientation as shown in
Figure 30.
7 Install the packing follower (Key 35).
8 Install the packing fl ange (Key 37).
9 Apply nickel anti-seize (Key A) to the top threads of
the packing studs (Key 29). Thread the packing nuts (Key
38) onto the threads of the packing studs, tighten the
packing nuts evenly in an alternating pattern until the
packing nuts reach the maximum recommended torque
shown in Table 6. Loosen the packing nuts and retighten
them to the minimum recommended torque shown in Table
6.
Figure 28 Double PTFE V-Ring Packing Tightening Diagram
37
TIGHTEN THE PACKING
NUTS (KEY 38) UNTIL ONE
OF THE PACKING NUTS
REACHES THE MINIMUM
TORQUE REQUIREMENT
LISTED IN TABLE 6.
5
A
37
35
26
TIGHTEN THE REMAINING
PACKING NUT UNTIL THE
PACKING FLANGE (KEY 37)
LEVELS OUT (BECOMES
PARALLEL WITH THE TOP
FACE OF THE BONNET
(KEY 26)).
36
29
26
PARALLEL
To Next Page
Loading...