... Size:2",3",3-1/2",4",6",8" Bauer Coupling with Flang We are Fuzhou Hongxing Machinery Co., Ltd. in ... ) in aluminum, brass and stainless steel., guillemin coupling, Bauer type coupling, chicago coupling, Ground joint coupling, sandblast coupling, King combination nipple, DIN2817 safety clamp, T ... Couplings6" HX-Steel Bauer Couplings8" HX-Steel Bauer Couplings Bauer Coupling with Flange