We are offering rubber sphere flanged joint. Single rubber sphere flanged jointflange material: a105 , q235 forged steel zinc galvanized , stainless steelrubber sphere: epdm , nbr, nr, cr, iirtemperature: -20 centi degrees+115 centi degreesworking presure: 0.25mpa2.5mpaspecification:dn 32mm3600mm2.pn 0.250.61.01.62.5 mpa3.certificate: iso9001