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