Instruction Manual
D104480X012
HP Control Valve Startup Trim
July 2019
4
Figure 3. Installation of Cage with Hoist Rod and Nut
GH02761
VALVE BODY (1)
HOIST NUT
HOIST ROD
CAGE (2)
BACK-UP RING (9)
BORE SEAL (42)
3. Install the cage (key 2) into the valve body. When installing the cage (key 2), take care to lower the cage evenly and
Figure 4. Install Cage to Seat on the Flat Sheet Gasket
GASKET (12)
CAGE (2)
VALVE BODY (1)
4. Install three-cage spiral wound gasket (key 43) in the gasket groove on top of the cage (key 2), making sure the
gaskets sit flush on the surface of the groove. See figure 5.
5. Install the bonnet spiral wound gasket (key 11) in the gasket groove on top of the body (key 1), making sure the
gasket sits flush on the surface of the groove.
6. Threaded surfaces of the studs (key 13), faces of the nuts (key 14), washers (key 40) and nut seating surface on the
bonnet (key 18) should be lubricated with nickel-based anti-seize lubricant prior to assembly.
Note
Take care not to introduce lubricant between the washer and the bonnet surface.