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V200U Valve
May 2020
WARNING
Perform the steps in the WARNING at the beginning of the Maintenance section of this manual.
Removing the HD Seal
1. Remove line bolting, remove the control valve from the pipeline, remove the actuator (as discussed in the packing
section), and place the valve body on a flat work surface.
a. For DN 80 and 100 (NPS 3 and 4), remove protector ring screws and washers (keys 21 and 22). Carefully remove
the seal protector ring (keys 3) and gasket (keys 15).
b. For DN 150, 200, and 250 (NPS 6, 8, and 10), the ball must be removed to access the seal. See the Bearing and
Ball Maintenance Disassembly section of this manual. Then return to this procedure and continue with the next
steps.
2. Remove HD seal from related component.
c. For DN 80 and 100 (NPS 3 and 4), once the protector ring (key 3) has been removed from the valve, push the
metal seal (key 11) out of the seal protector ring (key 3). Remove the wave spring (key 13) and the radial seal
(key 37).
d. For DN 150, 200, and 250 (NPS 6, 8, and 10), with the inlet side of the valve facing up, push the HD metal seal
(key 11) into the valve body (key 1). Remove the wave spring (key 13) and the radial seal (key 37).
CAUTION
Exercise care to avoid damaging components in the following procedure.
D It might be necessary to remove the HD metal seal by carefully tapping it with a soft punch and hammer.
Take care not to damage the seal protector ring and valve body.
D If the seal is difficult to push out, it is recommended that a seal removal plate be used to press the HD metal
seal out of the valve body. Refer to figure 7 for dimensions of the seal removal plate.
12
Instruction Manual
D104548X012
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