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SRY6-1-220V380V2KW型(xing)(xing)護套式管(guan)(guan)狀(zhuang)電加(jia)熱(re)(re)(re)器(qi)加(jia)熱(re)(re)(re)芯子(zi)用(yong)(yong)(yong)(yong)管(guan)(guan)狀(zhuang)電熱(re)(re)(re)元(yuan)件作為熱(re)(re)(re)源，護套管(guan)(guan)采用(yong)(yong)(yong)(yong)薄(bo)型(xing)(xing)不(bu)銹鋼制成，它散熱(re)(re)(re)面積較大，傳熱(re)(re)(re)快，接線端裝置部分分為普通型(xing)(xing)（采用(yong)(yong)(yong)(yong)鐵制拉伸杯子(zi)型(xing)(xing)罩殼）和特殊型(xing)(xing)（采用(yong)(yong)(yong)(yong)螺(luo)栓式隔爆型(xing)(xing)裝置罩殼密(mi)封）.