Jordan Valve Mark DBAQ Series Angle Style Control Valve User Manual
Page 5
-5-
Replacing Packing Continued,
15.
Install the packing follower, wiper and packing
flange. Lubricate the packing flange
studs (key 17) and faces of the packing
flange nuts (key 18). Replace packing
flange nuts.
16.
For spring loaded PTFE V-Ring packing, tighten
the packing flange nuts until the shoulder on the
packing follower (Key 21) contacts the bonnet.
For other packing types, tighten the packing
flange nuts in small increments alternately.
Repeat until the maximum recommended
torque is reached, shown in Table 2.
17.
Mount the actuator on the valve body and
reconnect the valve plug stems according
to the appropriate actuator instruction
manual.
Valve Size
Valve
Rating
ASME
Class
Lbf•Ft
N•m
1
1500
130
176
2500
191
259
2
1500
104
141
2500
281
381
Table 2: Recommended Torque for Body to Bonnet Bolting
M
ark
DBaQ S
erieS
a
ngle
S
tyle
C
ontrol
V
alVeS