... & DN6- DN150 Certificate:ISO9001:2000 stainless steel ball valve Stainless Steel Ball Valve1pc,2pc,3pc ball valve (low price to bottom,quality for ... credit)stainless steel ball valveTechnology: CastingConnection type: ThreadedSize: From 1/4" to ... medium: Water, oil, steam, nitric, acid, acetate acid and some corrosive liquidsSpecifications:Nominal pressure Pn 1.6, 2.5 ...