Install Instructions

Document No. 129-216
Installation Instructions
September 29, 2009
Siemens Industry, Inc. Page 3 of 6
Installation, Continued
4. Attach the bonnet flange to the valve body using
an open end wrench to tighten the cap screws.
See Table 1 for the proper wrench size and
torque.
5. Insert the new packing bearing and the packing
spring into the bonnet.
6. Place the new copper gasket on the valve
bonnet.
7. Insert the new packing assembly cartridge into
the valve bonnet. Use a 1-1/2 inch wrench to
tighten the cartridge applying 60 to 65 lb-ft (80 to
85 Nm) torque.
8. Return to the instructions that came in the
packing cartridge kit to assemble the actuator to
the valve.
Normally closed valves
Removing the Packing and the Stem and Plug
Assembly. (See Figure 3)
Figure 3. Normally Closed Valve.
1. Remove the actuator by following the
instructions included in the packing cartridge kit.
2. Using a 1-1/2 inch wrench, remove the packing
cartridge assembly.
3. Remove and discard the copper gasket. The
gasket cannot be reused.
4. Remove the cap screws on the bottom of the
valve. See Table 1 for the proper wrench size.
Save the cap screws.
5. Remove and discard the gasket.
6. Remove and discard the stem and plug
assembly.
7. Remove the packing spring and packing
bearing from the bonnet and discard them.
8. Clean the bonnet threads to remove any build-
up.
9. Inspect the seat for damage.
Replacing the Stem and Plug Assembly and
Packing
1. Locate the groove on the plug and align it with
the anti-spin pin in the seat. See Figure 2.
2. Insert the new stem and plug assembly into the
valve body making sure that the anti-spin pin is
in the plug groove.
CAUTION:
Be careful not to nick the seat.
3. Select the gasket that is marked for the
appropriate ANSI Class valve. Place the gasket
on the valve cap.
4. Attach the cap to the valve body using an open
end wrench to tighten the cap screws. See
Table 1 for the proper wrench size and torque.
5. Insert the new packing bearing and the packing
spring into the bonnet.
6. Place the new copper gasket on the valve
bonnet.
7. Insert the new packing assembly cartridge into
the valve bonnet. Use a 1-1/2 inch wrench to
tighten the cartridge applying 60 to 65 lb-ft
(80 to 85 Nm) torque.
8. Return to the instructions that came in the
packing cartridge kit to assemble the actuator to
the valve.