Specification: 1"-2",DN25-50 Material: SUS304 SUS316L Standard: DIN,ISO Application:Beer,Milk,Beverage,P Specification: 1"-2",DN25-50 Material: SUS304 SUS316L Standard: DIN,ISO Application:Beer,Milk,Beverage,PharmacyWe can do the different size of diameter under customer's request.. Dissepiment valve(manual)