N/a manufacturer / supplier in China, offering Pneumatic Dual/Double Flange Wafer Butterfly Valve with Ductile Iron Body and Ss Disc DN100 Rubber Lined Anti-Corrosion Air Explosion-Proof, ISO DIN Jin ANSI DN50-1200 Stainless Steel Cast Iron Ventilation and Dust Removal Pneumatic Ventilation Butterfly Valve Hot Air Gas, SS304 SS316 Pn16 150lb 2 Way 3 Way Thread Water Control Ball Valve with Electric Actuator and so on.
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