套(tao)筒式(shi)(shi)補償器的內套(tao)筒與管(guan)(guan)(guan)道連接,采用(yong)高性能(neng)自壓式(shi)(shi)動(dong)密封的原(yuan)理與結構(gou),它可(ke)以(yi)隨著管(guan)(guan)(guan)道的伸縮(suo)在外殼內進行自由滑動(dong),能(neng)適(shi)應任何管(guan)(guan)(guan)道的密封要(yao)求(qiu).外殼與內套(tao)筒之間采用(yong)新型合成材料密封,能(neng)耐高溫(wen),防腐蝕抗老化,適(shi)用(yong)溫(wen)度-40至150,特殊情況下可(ke)達(da)350.既能(neng)保證(zheng)軸向滑動(dong),又能(neng)保證(zheng)管(guan)(guan)(guan)內介質不泄漏。