Flowserve V-370 R3 Edward Valves - Manual (Page 7)

EDWARD UNIVALVE USER INSTRUCTIONS ENGLISH 12-13
7
1. If the check valve to be repaired is seal-welded,
prepare the Seal Cutting Machine for the weld-cutting
operation. If a cutting machine is not available, use one
of the alternate methods on pg. 8.
2. Once a seal-welded valve has been cut, it is ready for
disassembly. Unscrew vaIve cover from the body using
the flats provided.
3. Remove the check valve spring and disk from the body
bore. A short piece of soft wire formed into an L shape
may be used to assist in disk removal by engaging it in
the groove inside the disk.
4. The check valve is now ready for internal work.
See the section entitled “Servicing Edward Univalve
Stop and Stop-Check Valves” (pg. 6) for correct repair
procedures.
SERVICING EDWARD UNIVALVE CHECK VALVES
Line pressure must be relieved before servicing
the valve.