rubber joint sphere Body: neoprene, EPDM,NBR Lining: chinlon cord fabrics Standard: ANSI,DIN,JIS,GB size diameter:40-6000mm Rubber flexible joints, also ... performances Sphere: neoprene,NB,NBR,SBR,EPDM,Nylon Cord Fabric ,etcName: flexible/expansion rubber joints/ pipe joint, pipe connectorFlange: galvanised iron, cast ... Compressed air,water,sea water,hot water,weak acid,etc. rubber joint sphere