40.5KV~1100KV COMPOSITE HOLLOW INSULATOR

Hollow composite insulator consists of three parts, namely, Insulation tube of FRP, silicon rubber sheds, end flange FRPIS RESIN IMPREGNATED FIBER GLASS WOUND TUBE AND CURED AT HIGH TEMPERATUR USED AS THE SKELETON OF INSULATOR SERVES AS THE INNER INSULATION OF THE INSULATOR SILICONE RUBBER SHEDS IS INJECTED INTO THE MOLD CAVITY INSIDE BY INJECTION MACHINE ,AND THE FORMING UNDER HIGH TEMPERATURE,HIGH PRESSURE FOR A PREDTERMINED TIME SERVES AS THE OUTER INSULATION OF THE INSULATOR IT PROVIDES CREEPAGE DISTANCE FOR INSULATOR IT PROTECTS THE INSULATION TUBE OF FRP END FLANGE IS MADE OF HIGH STRENGTH ALUMINUM ALLOY CASTING IT MAINLY PLAYS THE ROLE OF A SUPPORITVE ,CONNECTION AND TRANSMISSION OF MECHANICAL LOADING IT IS THE MAIN BEARING BODY OF HOLLOW COMPOSITE INSULATORS FOR THE MAIN SEAL OF INTERNAL AIR