In addition to the advantages of elastic seat sealing gate valves, the opening and closing of copper core gate valves are not affected by rust or long-term non use in emergency situations. The combination of rising stem copper core gate valves and explosion-proof wave valves can ensure shock absorption of the pipeline system and normal operation of the pipeline under unstable flow or emergency vibration of the pipeline. Opening and closing are convenient for maintenance, and the valve opening can be more intuitive. The opening and closing are fast and reliable, so fire protection is often used, Water supply and drainage, anti-corrosion
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