FD-D Series Center Line-type Rubber Lined Butterfly Valve

FD-H Series double eccentric High-performance Butterfly Valve

FD-T Series Tri-eccentric Butterfly Valve

FDT Series Fluorine Lined Anti-corrosion Butterfly Valve

FD-M Series Bi-eccentric Soft Seal Butterfly Valve

FD-S Series Ventilation Butterfly Valve

FD-F Series Three-lever Type Butterfly Valve