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Flanged multi-layer metal seal butterfly valve

Flange telescopic butterfly valve

Soft sealing flange butterfly valve

Insulation butterfly valve

High temperature and pressure hard sealing butterfly valve

Bidirectional butterfly valve

Wafer metal seal butterfly valve

Wafer-type soft sealing butterfly valve

LT-type butterfly valve

Fire signal butterfly valve

Aluminum pinless handle butterfly valve

Flue gas desulfurization butterfly valve