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套筒式(shi)補(bu)償器(qi)的內(nei)套筒與(yu)(yu)管(guan)(guan)道連接,采用(yong)高(gao)性能(neng)(neng)(neng)自壓式(shi)動密封的原理與(yu)(yu)結(jie)構,它可(ke)以隨(sui)著管(guan)(guan)道的伸縮在外殼(ke)內(nei)進(jin)行自由滑動,能(neng)(neng)(neng)適(shi)應任何管(guan)(guan)道的密封要求.外殼(ke)與(yu)(yu)內(nei)套筒之間采用(yong)新型合(he)成材(cai)料密封,能(neng)(neng)(neng)耐高(gao)溫(wen),防腐蝕抗老化,適(shi)用(yong)溫(wen)度(du)-40至150,特殊情況下可(ke)達350.既能(neng)(neng)(neng)保(bao)證軸向滑動,又(you)能(neng)(neng)(neng)保(bao)證管(guan)(guan)內(nei)介質不(bu)泄漏(lou)。