套筒(tong)式補償器的內(nei)套筒(tong)與(yu)管(guan)道連(lian)接,采(cai)用高性(xing)能(neng)(neng)自壓(ya)式動(dong)密封的原理(li)與(yu)結構,它可以(yi)隨著管(guan)道的伸縮在(zai)外(wai)殼(ke)內(nei)進行自由滑(hua)動(dong),能(neng)(neng)適應(ying)任何管(guan)道的密封要求.外(wai)殼(ke)與(yu)內(nei)套筒(tong)之(zhi)間采(cai)用新型合成材料密封,能(neng)(neng)耐高溫,防腐蝕(shi)抗老化,適用溫度(du)-40至150,特(te)殊情況下(xia)可達350.既能(neng)(neng)保(bao)證(zheng)軸向滑(hua)動(dong),又能(neng)(neng)保(bao)證(zheng)管(guan)內(nei)介(jie)質不泄漏。