7.10 Place the bonnet gasket (item 58) on the gasket step inside the
body. Gently push the bonnet into the bonnet bore.
NOTE: When installing the bonnet, orient the milled faces on
the bonnet perpendicular to the flanges of the valve body.
7.11 Place the packing stop (item 99) into the bonnet, then install
the packing spacer (item 93) and packing as shown in figure 3.
7.12 Install bonnet nuts and tighten to finger tight.
7.13 Install the packing follower (item 87) and gland flange
(item 80), then tighten the packing nuts to finger tight.
7.14 Tighten the bonnet and end post nuts evenly. Torque nuts to the
values listed in table II.
7.15 Install the seat (item 20) and shims (item 23) (if required) as
described in the Seat Replacement section.
7.16 Install the actuator and yoke as described in the installation
manual for the corresponding actuator.
7.17 Install the valve into the process line as described in the
installation section.
Figure 3: Packing Configurations
Standard V-ring Twin V-ring Twin V-ring Vacuum Seal Standard graphite Twin graphite
“Live Loading” system:
- optional for SureGuard / XT
- standard for SafeGuard
“Live Loading” system:
- optional for SureGuard / XT
- standard for SafeGuard
Standard SureGuard
Standard SureGuard XT
Twin SureGuard
Twin SureGuard XT
Standard SureGuard Firesafe
Standard SureGuard XT Firesafe
Twin SureGuard Firesafe
Twin SureGuard XT Firesafe
7
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