Specification: 1"-6",DN25-DN150 Material: SUS304 SUS316L Standard: DIN,ISO Application: Beer,Milk,Beverage, Pharmacy Shuttle butterfly valveButterfly valve with external screw spread Specification: 1"-6",DN25-DN150 Material: SUS304 SUS316L Standard: DIN,ISO Application: Beer,Milk,Beverage,Pharmacy We can do the different size of diameter under customer's request.. Shuttle butterfly valve