in general, in the use of electric ball valves, we all hope that it will have a longer life and free maintenance period, depending on its normal working conditions, to maintain a harmonious temperature/pressure ratio, and the reasonable corrosion data, and other factors. In the process of electric ball valve repair, need to pay attention to the following points. 1. When the electric ball valve closing, there are still pressurized fluid body. 2. Repair ball valve before, should first discharge line pressure, ensure it is fully open, disconnect the power of the electric ball valves, pneumatic ball valve of the early break gas source, and separate the actuator and the stent. 3. At the same time, to be on the safe side, before the electric ball valve decomposition disintegration operation, must confirm the ball Industrial Valves upstream and downstream piping pressure has been eliminated. Four. In the process of maintenance, you must use the grease for lubrication. General use of grease and ball valve should be metal material, rubber parts, plastic parts and working medium incompatible. For example, when the working medium is gas, can choose TE221 grease. In the process of lubrication, can be in the installation of the seal groove, rubber seal, valve stem seal face and friction surface coated with a thin layer of wetting agent. Should also be noted that in the process of electric ball valve assembly, are not allowed to appear on the surface of the parts or internal pollution, adhesion or stranded, such as pieces of metal, fiber, fat ( Except for prescribed purposes) , dust and other impurities, foreign bodies, etc.

Nowadays, the adoption of rising stem gate valve in resilient seal gate valve industry is quite common.
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