... Stainless Steel Clamped Sight Glass 1) Material:SS304,SS316L 2) Type:Clamp/clamp 3) Standard:SMS,DIN,3A 4) Size:1"- Sanitary Stainless Steel Clamped Sight Glass ... 3A, IDFSpecification: DN25-DN100 & 1"-4", applied to the stainless steel pipeline systemMedium: Beer, Dairy, Beverage, Pharmacy, Food, Water, ... , bends, tees, reducers, unions, ferrules, etc. Sanitary Stainless Steel Clamped Sight Glass