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1.Metal material valve: such as carbon steel valves, alloy steel valves, stainless steel valves, cast iron valves, titanium valves, Monel valves, copper alloy valves, aluminum alloy valves, lead alloy valves.
2. Metal body lining valve: such as rubber lined valves, fluorine lined valves, lined with lead valves, plastic lined valves, lined with enamel valves.
3. Non-metallic materials: such as ceramic valves, glass valves, plastic valves.