Taller handle
will feed
through gap in
cam.
Image shown without handles for clarity.
6. Remove both
disc springs,
the
wave spring
(25 mm and 38
mm bore only), the
gland bushing,
and both
gland bolts
.
7. Remove the bolted gland.
8. Remove the flange bolts.
9. Remove the
flange
with the
seat
. Tap with a rubber mallet if it
is difficult to remove. Remove the
body seal
and
seat
with a
plastic pic.
10. Remove the
ball
and second
seat
with a plastic pic.
11. Remove both of the springs (50 mm bore only).
12. Push the stem down through the stem seal.
13. Remove the fire seal and seal retainer with a plastic pic.
NOTICE
Be careful not to scratch the critical sealing surfaces.
Leakage could result.
14. Remove the stem through the body bore.
15. Remove the
slip ring
from the stem.
16. Remove the stem seal from the body with a plastic pic.
•
WARNING
Before removing valve from system, to avoid
personal injury, you must
• Depressurize the valve
• Cycle the valve
• Purge the valve to remove any residual system
media left in the valve
Disassembly
1. Clamp the valve body vertically in a vise.
NOTICE
Be careful not to scratch the critical sealing surfaces.
Leakage could result.
2. Close the valve against the handle stop.
3. Document on the body the
handle
orientation relative to
the body, using a marker, for proper reassembly.
4. Remove the
hex head screw
and
the
washer.
5. Remove the handle and cam (locking cam version only).
Refer to Step 44 of
Reassembly
when replacing handle
only.
NOTICE
Note
the location and orientation of each cam for
proper reassembly. They will lock into each other when
reassembled. The handle will not function properly if
assembled incorrectly.
5
Slip ring
Washer
Hex head
screw
Disc spring
Wave spring
Gland bushing
Gland bolts
Ball
Seat
Seat
Body seal
Handle
Flange
