Specification: 1"-6",DN25-DN50 Material: SUS304 SUS316L Standard: DIN,ISO Application: Beer,Milk,Beverage,Pharmacy Specification: 1"-6",DN25-DN50 Material: SUS304 SUS316L Standard: DIN,ISO Application: Beer,Milk,Beverage,PharmacyWe can do the different size of diameter under customer's request.. Flow-regulating valve