Install Instructions

Document No. 129-233
Installation Instructions
September 29, 2009
Siemens Industry, Inc. Page 3 of 5
Installation, Continued
5. Remove and discard the stem and plug
assembly.
6. Examine the valve seat surface for nicks and
scratches. Replace the valve if the seat is
damaged.
7. Remove the O-ring from the bonnet. Clean the
O-ring groove. Make sure none of the O-ring
material remains in the valve.
WARNING:
Bonnet threads are sharp! Either wear
gloves for protection, or handle with
caution.
Replacing the Stem and Plug Assembly and
Packing.
1. Insert the new stem and plug assembly into the
valve body.
CAUTION:
Be careful not to nick the seat. The valve
must be replaced if the seat is damaged.
2. Manually coat the O-ring with the silicone
lubricant provided. You may need to use both
tubes of lubricant.
3. Slip the O-ring into the groove of the bonnet.
4. Carefully place the bonnet into the valve body
without damaging the stem.
5. Tighten the bonnet in place applying 45 to
55 lb-ft (61 to 75 Nm) torque, using an
adjustable wrench
6. Place the new copper gasket on the valve
bonnet.
7. Insert the new packing cartridge into the valve
bonnet. Use a 1-1/16 inch wrench to tighten the
cartridge applying 35 to 40 lb-ft (47 to 54 Nm)
torque.
8. Assemble the actuator to the valve using the
instructions in the packing cartridge kit.
Normally closed valves
Removing the Packing and the Stem and Plug
Assembly. (See Figure 3.)
1. Remove the actuator by following the
instructions included in the packing cartridge kit.
Figure 3. Flowrite 599 Series Normally Closed Valve.
2. Remove and discard the packing cartridge
using a 1-1/16 inch wrench.
3. Remove and discard the copper gasket (the
gasket cannot be reused). Clean the gasket
surface of the valve.
4. Remove and save the cap using an adjustable
wrench.
5. Remove and discard the stem and plug
assembly.
6. Examine the valve seat surface for nicks and
scratches. Replace the valve if the seat is
damaged.
7. Remove the O-ring from the cap. Clean the
O-ring groove. Make sure none of the O-ring
material remains in the valve.