ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc.
www.mogas.com
19
INSTALL GLAND FLANGE
Make sure gland studs
12
are in place . If necessary,
install gland studs
12
, using anti-seize compound .
Install gland flange thruster
07B
over stem
05
.
Install gland flange
07
over stem and gland studs .
Install flat washers
07D
, if present, over gland studs .
Note:
ISOLATOR 2.0 models 3-inch and larger will not have flat washers.
Install spring discs (live loading)
07C
over gland studs .
Note:
Spring discs must be installed in opposing pairs.
Apply anti-seize compound onto gland studs
12
and
gland nuts
15
.
Install gland nuts
15
, and torque all nuts
evenly
per
the specifications included with the
test certificate
for each individual valve serial number .
CAUTION!
The gland flange
must
be pulled down evenly to
prevent “cocking” or side loading, as this could
cause damage to the packing and prevent the
valve from operating properly . Watch the gland
flange to ensure that it remains
perpendicular
to
the stem, and the gap around the stem remains
concentric
during the tightening process .
Do not over-tighten nuts . Torque all nuts
evenly
per the specifications included with the
test
certificate
for each individual valve serial number .
THIS WILL AFFECT THE VALVE WARRANTY .
CHECK FOR OPERATOR
If valve requires actuator, install per instructions
provided by manufacturer or consult MOGAS for
assistance .
If valve uses handlever operator, install stop plate first .
INSTALL STOP PLATE
Slide stop plate
63
over stem, pushing down until it is
flush with the gland flange
07
. Push retaining ring
28
down over stem
05
until it is flush with stop plate
63
.
28
63
15
07C
07D
07
07B
12
05
Replace Stem Packing
11
!
12
13
