Sanitary welding butterfly valve SUS304 with 8 Ni;SUS316 with 10Ni Minimum ... valveStandard:SMS,DIN,3A,IDF,ISO,NON-standard products can be request by user to drawingsMaterial:AISI304,AISI316L,high polished,recision ... 8um4. Actualing Device:Normally closed,Nomally opended,and closed by two air flues sperately5.Application:Beer,food,beverage,wine, ... .0*10.0 104 80Packing: Sanitary welding butterfly valve