上海勝緒電(dian)氣有限公(gong)司HRY5護套式管狀電(dian)加(jia)熱器使(shi)用(yong)(yong)時(shi)應全部浸入油液(ye)介質中(zhong)。電(dian)加(jia)熱器常(chang)用(yong)(yong)于介質中(zhong)的表面負荷w/cm2 ,應符合JB/T2379-93《金屬管狀電(dian)熱元件》標準。使(shi)用(yong)(yong)時(shi),應在油液(ye)流動中(zhong)加(jia)熱。