Sanitary Ferrule Welding . 12.7mm,21.5mm,28.6mm SS304,SS316L,SS316 1) Product name: ferrule,stainless steel ferrule,ferrule clamp2) Material: SUS304, SUS316L 3) Standard: DIN, ISO9001, IDF, 3A 4) Flux domination of pipeline: DN25-150, 1"-6"5) Applied to the stainless steel pipeline system6) 14WMP,14MMP,14AMP7)12.7mm,21.5mm,28.6mm Sanitary Ferrule joint