... :SUS304,SUS316L 3 Standard:DIN,3A,SMS,ISO Sanitary Stainless Steel SMS Sanitary Pneumatic Butterfly Valve1) Media:water,oil,gas,acid,etc2) Working ... ,weided butterfly valve,clamped butterfly valve5) Application:dairy,food,beer,beverage,pharmacy,cosmetic,wine,biology,chemical,etc SMS: Stainless Steel SMS Sanitary Pneumatic Butterfly ...