The valve can be used to control air, water, steam, all kinds of corrosive medium, mud, oil, liquid metal and radioactive medium, etc. All types of fluid flow. according to the material is divided into iron valves, cast steel valves, stainless steel valves, valve of chrome molybdenum steel, chrome molybdenum vanadium steel valve, dual phase steel valves, plastic valves, such as non-standard custom-made valve material. So, in the process of long-term use of the valve should be how to maintain? Banning the use of the valve is closed or open an account the lever or long wheel spanner wrench. Stem thread and stem nut friction, often should keep a certain amount of oil in the screw place, lubrication, guaranteeing the free activity, the valve stem so flexible. is a mechanical transmission, to timely for gearbox additives, in case of biting. Open the valve for a long time, seal surface may with dirt; Is closed, you can gently close the valve, and open a little, so can use high-speed flow medium will be washed away dirt, and then shut. installed in the outdoor, protective sleeve is set on the valve stem to protect, prevent the rain, snow, dust tarnishing should regularly to cleaning, check valve, to maintain the cleanness of the valve parts, integrity. Do not place heavy objects on a valve, more should not stand on the Industrial Valves. Open the steam Industrial Valves before, must first rule out the system of coagulate water, then slowly open valve, lest produce soda impact; When the valve is fully open, the handwheel should be back a little. Backup valve shall be put in a dry indoor place, with wax paper board or plug seal interface, lest dirt to enter.
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