Pneumatic knife gate valve – also known as knife gate valve, knife slurry valve. From the 1980s into Our country, in less than 20 years,
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Three eccentric metal hard seal butterfly valve
Three eccentric metal hard seal butterfly valve
Full bore hard sealing ball valve
Fixed ball valve, is a new generation of high-performance ball valve, suitable for long-distance transmission pipelines and general industrial pipelines, its strength, safety, resistance to
