https://www.valve-delco.com/delco-dk56-fb-cs-electric-cast-steel-flange-butterfly-valve-product/
DELCO DK56-FB-CS Electric Cast Steel Flange Butterfly Valve
Butterfly Valve, Electric Butterfly Valve, Electric Valve Manufacturer, DELCO Valve mainly Electric Valve, Pneumatic Valve, Control Valve, Solenoid Valve,...
cast steeldelcofbcselectric