... threaded rubber expansion joints,valves and flanges. Reduced Rubber Expansion Joint Detailed Product Description:1.Product: EPDM or NBR .NR ... temp.: -10degree celsius to +105 degree celsiusExpansion Joint ( joint, compensator, bellows expansion joint )Our Rubber Flexible Joints is mainly used for ... against acid, alkaline, oil and high temperature. Flexible Rubber Joint Reducing Type flange end