valve maintenance
TRANSCRIPT
STATIC 1VALVE
(Maintenance)
VALVE MAINTENANCE
• Maintenance is important to – make sure valve in working order– keep safety for personnel– keep smooth operation
• 3 items for maintenance of valve is– change gasket– change gland packing– lapping disc and seat
VALVE MAINTENANCE
• Change Gasket
VALVE MAINTENANCE
• Change Gland Packing– Either valve use or not packing renew not more
than 2 years– Thickness packing is the different between inside
stuffing box and outside spindle divide by two– Arrange staged by each others
VALVE MAINTENANCE
• Lapping Seat and Disc
VALVE MAINTENANCE
• Lapping Seat
VALVE MAINTENANCE
• Lapping Disc