Product name: Sanitary Sight Glass Type: Clamped ends Material quality: AISI304, AISI316L Standard: DIN, ISO, 3A, IDF Sanitary Clamped Sight Glass(sight glass,union-type sight glass,sanitary sight glass)Product DescriptionProduct name: Sanitary Sight GlassType: Clamped endsMaterial quality: AISI304, AISI316LStandard: DIN, ISO, 3A, IDFSpecification: DN25-DN100 & 1"-4", applied to the stainless ...