... &ISO9001:2008 Good quality with competitive price Electric Butterfly valve,Motor operated butterfly valveMaterial: SUS304, SUS316LStandard: DIN,SMS,3A, ISO/ ... IDFSize:1/2"-6", or requiredApplication: Pharmacy, beer, food, dairy, beverage, cosmetic, chemical industry. ... please don't hesitate to contact us. Electric Butterfly Valve,Motor Operated Butterfly Valve