套(tao)(tao)筒(tong)(tong)式補償器的內套(tao)(tao)筒(tong)(tong)與管(guan)道連(lian)接(jie),采用(yong)(yong)高性能(neng)自壓式動密(mi)封(feng)的原(yuan)理與結(jie)構,它可(ke)以(yi)隨著(zhu)管(guan)道的伸(shen)縮在外殼內進行(xing)自由(you)滑(hua)動,能(neng)適(shi)應任何管(guan)道的密(mi)封(feng)要求.外殼與內套(tao)(tao)筒(tong)(tong)之間采用(yong)(yong)新型(xing)合成材料密(mi)封(feng),能(neng)耐高溫(wen),防腐蝕抗老(lao)化,適(shi)用(yong)(yong)溫(wen)度-40至150,特殊情況下(xia)可(ke)達(da)350.既能(neng)保證(zheng)(zheng)軸向滑(hua)動,又能(neng)保證(zheng)(zheng)管(guan)內介質不泄漏。