... ,Aluminium ,Stainless steel 3,DIN2817 Safety clamp DIN 2817 Safety clamps We are Fuzhou Hongxing Machinery Co., Ltd. in Fuzhou, ... coupling, Kingcombination nipple, DIN2817 safety clamp, T-bolt superior clamp, double bolt clamp, whipcheck safetycable, washdown gun, etc. 1) Standard of ... Guillemin coupling:>> Forging 2 StandardEN14420-3MaterialAluminiumCasting methodForgingSizes1/2" to 4" Hose clamp