... sizes: 1-1/2", 2", 3". 4". 6" Pin Lug Hose coupling We are Fuzhou Hongxing Machinery Co., Ltd. in ... couplings) in aluminum, brass and stainless steel.,guillemin coupling, Bauer type coupling, chicago coupling, Ground joint coupling, sandblast coupling, Kingcombination ... clamp, double bolt clamp, whipcheck safetycable, washdown gun, etc.Pin-lug hose shank ( swivel nut coupling, Male Groove Plug) 1. ...