熱水泵集式密(mi)封的(de)大多數主要特性是其控制(zhi)密(mi)封功(gong)能、摩(mo)擦力(li)、磨(mo)損和(he)(he)壽命的(de)自動界(jie)面潤滑機理。一切(qie)取決(jue)于穿過(guo)界(jie)面并建立潤滑膜的(de)液(ye)(ye)體(ti)以便密(mi)封在實(shi)際無(wu)接觸，通常是混合磨(mo)擦，介(jie)于干摩(mo)擦和(he)(he)完整液(ye)(ye)膜之(zhi)間(jian)的(de)潤滑摩(mo)擦狀態下(xia)(xia)運行。在腔體(ti)壓(ya)(ya)(ya)力(li)作用下(xia)(xia)介(jie)質(zhi)穿過(guo)密(mi)封摩(mo)擦副端(duan)(duan)面，表面張力(li)和(he)(he)離(li)心力(li)在此(ci)時影響不大，流體(ti)壓(ya)(ya)(ya)力(li)持續下(xia)(xia)降直(zhi)到它達到外部背壓(ya)(ya)(ya)，此(ci)壓(ya)(ya)(ya)力(li)作用類(lei)似于流體(ti)靜壓(ya)(ya)(ya)時軸承(cheng)的(de)承(cheng)載功(gong)能。這取決(jue)于介(jie)質(zhi)粘度(du)、轉速(su)和(he)(he)端(duan)(duan)面間(jian)隙變化。

　　熱(re)(re)水泵集式(shi)密封(feng)(feng)(feng)要(yao)(yao)(yao)起(qi)(qi)到靜(jing)環(huan)(huan)(huan)和(he)動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)的(de)密封(feng)(feng)(feng)作(zuo)(zuo)用，同時(shi)也(ye)起(qi)(qi)到浮動(dong)(dong)(dong)(dong)(dong)緩沖作(zuo)(zuo)用，要(yao)(yao)(yao)求(qiu)靜(jing)環(huan)(huan)(huan)的(de)輔(fu)助密封(feng)(feng)(feng)元件(jian)能(neng)(neng)保證(zheng)(zheng)靜(jing)環(huan)(huan)(huan)與壓蓋(gai)之間(jian)的(de)密封(feng)(feng)(feng)性(xing)和(he)靜(jing)環(huan)(huan)(huan)有一定的(de)浮動(dong)(dong)(dong)(dong)(dong)性(xing)，動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)的(de)輔(fu)助密封(feng)(feng)(feng)元件(jian)能(neng)(neng)保證(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)與軸與軸套之間(jian)的(de)密封(feng)(feng)(feng)性(xing)和(he)動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)的(de)浮動(dong)(dong)(dong)(dong)(dong)性(xing)，材料要(yao)(yao)(yao)求(qiu)耐熱(re)(re)或耐寒并(bing)能(neng)(neng)與介質相(xiang)容。起(qi)(qi)到將軸的(de)轉(zhuan)矩傳給動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)的(de)作(zuo)(zuo)用，中(zhong)間(jian)傳動(dong)(dong)(dong)(dong)(dong)的(de)傳動(dong)(dong)(dong)(dong)(dong)銷、壓環(huan)(huan)(huan)—傳動(dong)(dong)(dong)(dong)(dong)環(huan)(huan)(huan)、傳動(dong)(dong)(dong)(dong)(dong)銷—彈簧座均(jun)起(qi)(qi)傳動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)用，材料要(yao)(yao)(yao)求(qiu)耐磨和(he)耐腐蝕。

　　緊固(gu)件(jian)要起(qi)到靜、動(dong)環(huan)(huan)的(de)定(ding)位(wei)、緊固(gu)和盛裝(zhuang)的(de)作(zuo)用(yong)(yong)，要求(qiu)(qiu)(qiu)定(ding)位(wei)正確，保證摩擦副密(mi)(mi)封(feng)(feng)面(mian)處于正確的(de)位(wei)置并保持良好(hao)貼合(he)的(de)彈(dan)簧比壓。同(tong)時(shi)要求(qiu)(qiu)(qiu)拆裝(zhuang)方便、容易(yi)就位(wei)、能重(zhong)復利用(yong)(yong)。與輔(fu)助(zhu)密(mi)(mi)封(feng)(feng)配合(he)處，注意安(an)裝(zhuang)密(mi)(mi)封(feng)(feng)環(huan)(huan)的(de)導向(xiang)側角和壓彈(dan)量。特別應(ying)注意動(dong)環(huan)(huan)輔(fu)助(zhu)密(mi)(mi)封(feng)(feng)件(jian)與軸(zhou)套配合(he)處要求(qiu)(qiu)(qiu)耐腐蝕(shi)和耐磨損，必要時(shi)采用(yong)(yong)硬(ying)面(mian)復層。

　　熱水(shui)泵集(ji)式密封(feng)(feng)一(yi)般配上平衡循(xun)環(huan)系統，可(ke)(ke)(ke)使用(yong)(yong)(yong)在(zai)易(yi)(yi)燃、易(yi)(yi)爆(bao)、有毒及腐蝕、高(gao)真空(kong)等對(dui)密封(feng)(feng)要求更為(wei)嚴格的場(chang)合。密封(feng)(feng)結構為(wei)外沖(chong)洗(xi)(xi)(xi)結構，沖(chong)洗(xi)(xi)(xi)液可(ke)(ke)(ke)以(yi)為(wei)清潔的水(shui)也(ye)可(ke)(ke)(ke)為(wei)工業(ye)回(hui)用(yong)(yong)(yong)水(shui)，密封(feng)(feng)腔壓力(li)高(gao)于沖(chong)洗(xi)(xi)(xi)液的壓力(li)，沖(chong)洗(xi)(xi)(xi)液在(zai)輔助(zhu)套的上端輸(shu)入，在(zai)輔助(zhu)套的下端輸(shu)出,循(xun)環(huan)使用(yong)(yong)(yong),密封(feng)(feng)起到冷卻沖(chong)洗(xi)(xi)(xi)的作用(yong)(yong)(yong)，其(qi)輔助(zhu)裝置有調溫器、平衡罐、強制循(xun)環(huan)平衡系統等。