The maintenance of power station valves can be divided into two types: maintenance and maintenance. Maintenance: Improper custody is one of the important reasons for the damage of power station valves. Power station Valve is kept, not disorderly heap, small power station valve on the shelf, large power station valve can be arranged neatly on the warehouse floor, do not let the flange connection surface contact. Protect the power station valve from bad. Temporary unused power station valve, should remove asbestos filler, lest produce electrochemical corrosion, damage stem. For incoming power station valve, to carry out inspection, such as in the process of transportation into the rain or dirt, to wipe the clean, and then store. Power station valve Import and export should be sealed with wax paper or plastic sheets, in case of dirt. For the rust in the atmosphere of the power station valve processing surface should be coated antirust oil, protected. The outdoor power station valve must be covered with rain-proof or dust-proof items such as linoleum or sheet.
Storage of power station valves should be kept clean and dry. Use maintenance: the maintenance is to extend the power station valve life and ensure reliable opening and closing. Stem threads often rub with stem nut, to apply a little bit of butter or graphite powder, lubrication effect. Not often open and close the power station valve, to periodically turn the wheel, the stem thread plus lubricants, to prevent biting. Outdoor power station valve, to the stem plus protective cover to prevent rain, snow, dust rust. such as power station valve mechanical transmission, to be on time to add lubricants to the gearbox and keep the power station valve clean. Do not rely on power station valves to support other weights, do not stand on power station valves. The stem, especially the threaded part, should be regularly cleaned and added with new lubricants to prevent hard sundries in the dust, wear threads and stem surfaces, and affect service life.