1.It is used in food ,beverage and milk etc. process. 2. stainless steel. Material: 304, 316L Departure port: Shanghai and Ningbo Low price, High quality, Specification: 1"-6", DN25-DN150 Material: SUS304 SUS316Standard: DIN, ISOApplication: Beer, Milk, Beverage, PharmacyExternal processing: Non-standard products can be requested by the user to drawing. Sanitary Hoop