
DeZURIK
November 2020
Page 15
D10322
Replacing Packing
(Continued)
Graphoil Dual-Seal Packing Option (G2D)
The new primary packing (A11) consists of three or more Graphoil rings between two anti-extrusion
washers (A34); the new secondary packing (A26) consists of two Graphoil rings between two anti-
extrusion washers (A34).
Figure 9
— Packing Option (G2D)
a. Lubricate the inside and outside diameters of each new packing ring with Krytox 240 AC
lubricant.
b. Place the primary (lower) set of new packing (A11) and anti-extrusion washers (A34) in the
body, one ring at a time, as shown in Figure 9.
c. Remove the two gland studs (A14) from the secondary packing chamber (A17) and temporarily
place the studs in the threaded holes in the body.
d. Place the gland (A12) and nuts (A15) on the studs and turn the nuts evenly until the gland has
moved about 25% of the distance from the bottom of the gland to the top of the body.
e. Remove the nuts, the gland and the studs and replace the studs in the secondary packing
chamber.
f. Place the following parts in the configuration shown in Figure 9:
The new gasket (A16)
The secondary packing chamber (A17)
The lantern ring (A18), the two new packing rings (A26)
One ring at a time (lubricated)
Anti-extrusion washers (A34)
The gland (A12) and the gland nuts (A15)
—do not tighten the nuts.
g. Mount the actuator bracket and secondary packing chamber to the body with the same screws
and tighten as shown in Table C (page 19). Tighten the gland nuts (A15) finger tight, plus ½
turn.
h. Continue with step 10 on page 16.