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 Chemical valve selection principle：

The chemical industry generally uses the straight through valve, its flow resistance is small, usually selected as a cut-off and open medium valve, easy to adjust the flow of the valve as a control flow, plug valve and ball valve is more suitable for reversing shunt, closing parts along the sealing surface sliding valve with wiping function is most suitable for medium with suspended particles. Common chemical valves are ball valves, gate valves, globe valves, safety valves, plug valves, check valves and so on. Chemical valve medium mainstream with chemical substances, containing acid and alkali corrosion medium is various, Taichun factory chemical valve material is dominated by 304L and 316, the common medium selection of 304 as the main material, a variety of chemical substances combined with alloy steel or fluorine lined fluid corrosion valve.