Instruction Manual

Instruction Manual
D103298X012
Control-Disk Valve
May 2011
16
D For a soft seal, if the spring (key 5) was disassembled, hook the spring ends together. Work the spring into the
recess in the seal ring (key 4). Place the seal ring assembly onto the disk. Set the retainer onto the seal, making sure
proper alignment between the seal and retainer has been achieved.
D For the metal seal ring assembly, place the seal ring assembly onto the disk. Set the retainer onto the seal.
D For the flow ring construction, place the gasket (key 41) onto the valve body. Set the retainer onto the gasket.
7. Attach the seal retainer (key 2) and the retainer clips (key 13) to the valve body and secure with the machine screws
(key 14).
8. Insert a packing box ring (key 23) into the packing box.
9. For standard packing, install the packing according to the appropriate instructions presented in step 5 of the
Replacing Packing section on page 11 of this manual.
For ENVIRO‐SEAL packing, install the new packing system components as described in the ENVIRO‐SEAL Packing
System for Rotary Valves Instruction Manual (D101643X012).
10. Install the anti‐blowout ring (key 40) in the groove in the drive shaft.
11. Rotate the disk to the approximate closed position.
12. Mount and adjust the actuator per the following Actuator Mounting section on page 18 of this manual.
Figure 7. Taper / Expansion Pin Installation
VALVE DISK
(KEY 3)
EXPANSION PIN (KEY 7)
TAPER PIN (KEY 8)
TAPER/EXPANSION PIN LOCATION
1. INSTALL THE PINS FROM THIS SIDE OF THE DISK.
1
“T” STAMPED ON ACTUATOR
END OF DISK
DRIVE PINS OUT THIS DIRECTION
INSTALL PINS THIS DIRECTION
INSTALL PINS THIS DIRECTION
W9403
W9497
Table 8. Recommended Actuator‐Mounting Bolt Torque
VALVE SIZE TORQUE
DN NPS NSm lbfSft.
50, 80, 100, and 150 2, 3, 4, and 6 120 88
200, 250, and 300 8, 10, and 12 250 185