Selection Of Valve Shaft Packing For Sanitary Diaphragm Valve
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The selection of Sanitary Diaphragm Valve valve shaft packing is as follows:
1. Because the pneumatic valves in the pipeline network are rarely opened and closed, the packing needs to be made of stable and aging-resistant materials so that it can maintain good sealing performance for a long time;
2. Even if the packing of the valve shaft of the sanitary diaphragm valve is not often used, it must be able to ensure a good sealing effect when it is repeatedly opened and closed;
3. In summary, the valve shaft packing of the sanitary diaphragm valve needs to meet the requirements of not changing or changing every few decades.
