Oxygen valve greasing, attention to the problem of valve in the switch position. Generally ball valve maintenance in an open state, under special circumstances to choose shut down maintenance. Other valves are not all in open position. Gate valves must be closed during maintenance, to ensure the sealing ring is full of grease seal grooves, if open, sealing grease directly off the inflow, or valve cavity, wasteful. Oxygen valve 1, the purpose of the maintenance in operation and maintenance, is to extend the life of the oxygen valve and ensure reliable opening and closing. 2, the valve stem threads, often with stem nut friction, to apply p redictors oil, molybdenum disulfide or graphite powder, lubrication. 3, often do not thread ball valve opening and closing of the copper, also want to turn the handwheel, regularly add lubricant to the Industrial Valves stem threads, in case of biting. 4, outdoor oxygen cut-off valve, to be on the Industrial Valves stem and cases, in case of rain, snow, dust tarnishing. 5, such as mechanical valve system to move, to add lubricating oil for gearbox on time. 6, often should keep the oxygen valve clean. 7, often should check and maintain the oxygen valve parts integrity. Such as hand wheel fixed nut off, should be used to match neat, can't do, otherwise you will grind garden stem top four sides, gradually lose with reliability, and can't start. 8, don't rely on oxygen valve support other heavy things, don't stand on the oxygen valve. 9, the valve stem, especially the threaded portion, often should wipe, to have been the dust dirty lubricant to switch to the new, because the hard stuff is contained in the dust, easy to wear thread and stem surface, affect the service life.
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