FD-F Series Three-lever Type Butterfly Valve
With flexible operation and good sealing performance, the three-lever type butterfly valve is applicable to media including air and gases in metallurgical industry, chemical industry, electric power industry and air separation industry.
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The valve plate moves parallel to the valve seat to achieve frictionless movement;
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Small flow resistance, small pressure loss and low leakage rate when the valve is fully open;
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Special connecting rod structure design, sealing surface force uniform;
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Master connecting rod and auxiliary connecting rod are almost equally master, and the connecting rod mechanism will not be stuck under high temperature conditions.
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Nominal diameter: DN300~DN3000 (12"~120")
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Pressure rating: PN6~PN16 (class 150)
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Working temperature: -20°C~500°C
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Connection mode: Flange
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Valve body: Ductile iron, carbon steel, stainless steel
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Valve plate: Ductile iron, carbon steel, stainless steel
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Valve seat: Soft seal, hard alloy
