... Sight Glass Sanitary Welded Sight GlassProduct name: Sanitary Sight GlassType: Welded endsMaterial quality: AISI304, AISI316LStandard: DIN, ISO, 3A, IDFSpecification: DN25-DN100 & 1"-4", applied to ... the stainless steel pipeline systemMedium: Beer, Dairy, Beverage, Pharmacy, Food, Water, CosmeticWe are a manufacturer ... reducers, unions, ferrules, etc. Sanitary Welded Sight Glass