套筒(tong)(tong)式補(bu)償(chang)器的內套筒(tong)(tong)與管(guan)道(dao)連接,采用高性能(neng)自(zi)壓式動(dong)密(mi)封(feng)的原理(li)與結構,它可以隨著(zhu)管(guan)道(dao)的伸(shen)縮在外(wai)殼(ke)內進行自(zi)由滑動(dong),能(neng)適(shi)應(ying)任何管(guan)道(dao)的密(mi)封(feng)要(yao)求.外(wai)殼(ke)與內套筒(tong)(tong)之間采用新型合(he)成材料密(mi)封(feng),能(neng)耐(nai)高溫(wen),防腐蝕抗(kang)老化(hua),適(shi)用溫(wen)度(du)-40至150,特殊情況(kuang)下可達350.既能(neng)保(bao)證軸(zhou)向滑動(dong),又(you)能(neng)保(bao)證管(guan)內介質不泄漏。