Bauer Coupling with Flang Material:Stainless steel Size:2",3",3-1/2",4",6",8" Bauer Coupling with Flang We are Fuzhou Hongxing Machinery Co., Ltd. in Fuzhou, Fujian Province, China. We mainly supply camlock couplings (cam & groove quick couplings) in aluminum, brass and stainless steel., guillemin coupling, Bauer type coupling, chicago coupling, Ground joint coupling, sandblast coupling, King ...