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212020/06Some basic knowledge of butterfly valves used in pipelinesThe basic knowledge of butterfly valve Butterfly valve is still very c……
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212020/06How does a butterfly valve work?A butterfly valve is a flow regulating valve. A butterfly valve is a v……
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302020/05How long is the filter lifeWhy increase the lifetime of the filterI want to increase the service ……
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302020/05Various classification criteria about filtersFeature classification Pipeline filter Double cartridge filter High……