... experience 3.strong shock absorption 4.good quality&cheap&nice quick coupling rubber joint,flexible/cheap1.high flexibility 2.years of trading ... ,NB, CR,SBR,IIR,HNBR,SI,FLS,FPM,FFPM,ACM, with Lining frame: chinlon cord fabrics, Nylon cord Fabric or steel ... steel, Q235, cast iron, stainless seel,302,304 etc. Flange Standard: ANSI,DIN,JIS , BT,GB(China), such as: ANSI class125 ...