... ANSI,EN,PN 4.carbon/stainless steel... KWT Rubber Flexible Elbow1,Material: Carbon Steel2,Technics: Forged Type ... : Elbow3,Place of Origin: Jinan China (Mainland)4,Model Number: KWT5,Brand Name: GMR ... alkali.a...15,service offer: custom16,rubber pipe joints is composed of fabric, metal ... materials reinforced rubber parts and used for metal pipe system ...