Flowserve V-370 R3 Edward Valves Manual de usuario descargar pdf (Pagina 7)

EDWARD UNIVALVE USER INSTRUCTIONS ENGLISH 12-13

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.

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Flowserve V-370 R3 Edward Valves Manual de usuario Pagina 7