Specification: 1"-4",DN25-DN100 Material: SUS304 SUS316L Standard: DIN, ISO Application:Beer,Milk,Beverage,Pharmacy Specification: 1"-4",DN25-DN100 Material: SUS304 SUS316L Standard: DIN, ISO Application:Beer,Milk,Beverage,Pharmacy (valve,revering valve,cut-off revering valve)