熱水泵集式密封(feng)(feng)(feng)的(de)大多數(shu)主要特性是(shi)其控制密封(feng)(feng)(feng)功能、摩擦力(li)、磨損和壽命的(de)自動界(jie)面(mian)(mian)(mian)潤滑機理。一(yi)切取決于穿(chuan)過(guo)界(jie)面(mian)(mian)(mian)并建立潤滑膜(mo)的(de)液體以便(bian)密封(feng)(feng)(feng)在實際(ji)無(wu)接觸，通(tong)常是(shi)混合磨擦，介于干摩擦和完整液膜(mo)之(zhi)間的(de)潤滑摩擦狀態下運(yun)行。在腔(qiang)體壓(ya)力(li)作用下介質(zhi)(zhi)穿(chuan)過(guo)密封(feng)(feng)(feng)摩擦副端(duan)面(mian)(mian)(mian)，表面(mian)(mian)(mian)張力(li)和離(li)心(xin)力(li)在此(ci)時(shi)影響不大，流體壓(ya)力(li)持續下降(jiang)直到(dao)它達到(dao)外部背壓(ya)，此(ci)壓(ya)力(li)作用類似于流體靜壓(ya)時(shi)軸(zhou)承(cheng)的(de)承(cheng)載功能。這(zhe)取決于介質(zhi)(zhi)粘度、轉速和端(duan)面(mian)(mian)(mian)間隙變(bian)化(hua)。

　　熱(re)水泵集式密(mi)封要(yao)(yao)起(qi)(qi)到靜(jing)環(huan)(huan)(huan)和動(dong)(dong)(dong)環(huan)(huan)(huan)的(de)(de)(de)(de)密(mi)封作(zuo)用(yong)(yong)，同(tong)時(shi)也起(qi)(qi)到浮動(dong)(dong)(dong)緩沖作(zuo)用(yong)(yong)，要(yao)(yao)求靜(jing)環(huan)(huan)(huan)的(de)(de)(de)(de)輔助(zhu)密(mi)封元件能保證(zheng)靜(jing)環(huan)(huan)(huan)與(yu)(yu)壓蓋之間(jian)的(de)(de)(de)(de)密(mi)封性和靜(jing)環(huan)(huan)(huan)有一定(ding)的(de)(de)(de)(de)浮動(dong)(dong)(dong)性，動(dong)(dong)(dong)環(huan)(huan)(huan)的(de)(de)(de)(de)輔助(zhu)密(mi)封元件能保證(zheng)動(dong)(dong)(dong)環(huan)(huan)(huan)與(yu)(yu)軸與(yu)(yu)軸套(tao)之間(jian)的(de)(de)(de)(de)密(mi)封性和動(dong)(dong)(dong)環(huan)(huan)(huan)的(de)(de)(de)(de)浮動(dong)(dong)(dong)性，材料(liao)要(yao)(yao)求耐熱(re)或耐寒并能與(yu)(yu)介質相容。起(qi)(qi)到將軸的(de)(de)(de)(de)轉矩(ju)傳(chuan)(chuan)給動(dong)(dong)(dong)環(huan)(huan)(huan)的(de)(de)(de)(de)作(zuo)用(yong)(yong)，中間(jian)傳(chuan)(chuan)動(dong)(dong)(dong)的(de)(de)(de)(de)傳(chuan)(chuan)動(dong)(dong)(dong)銷、壓環(huan)(huan)(huan)—傳(chuan)(chuan)動(dong)(dong)(dong)環(huan)(huan)(huan)、傳(chuan)(chuan)動(dong)(dong)(dong)銷—彈(dan)簧座均起(qi)(qi)傳(chuan)(chuan)動(dong)(dong)(dong)作(zuo)用(yong)(yong)，材料(liao)要(yao)(yao)求耐磨和耐腐(fu)蝕。

　　緊(jin)固(gu)件(jian)要(yao)起到靜(jing)、動環的(de)定位(wei)、緊(jin)固(gu)和盛裝(zhuang)的(de)作用(yong)，要(yao)求(qiu)定位(wei)正確，保證摩擦副(fu)密(mi)(mi)封(feng)面處(chu)(chu)于正確的(de)位(wei)置并保持良好貼合(he)(he)的(de)彈簧(huang)比(bi)壓。同(tong)時(shi)要(yao)求(qiu)拆裝(zhuang)方便、容(rong)易就位(wei)、能重(zhong)復利用(yong)。與輔助密(mi)(mi)封(feng)配(pei)合(he)(he)處(chu)(chu)，注(zhu)意安裝(zhuang)密(mi)(mi)封(feng)環的(de)導向(xiang)側(ce)角和壓彈量。特別應(ying)注(zhu)意動環輔助密(mi)(mi)封(feng)件(jian)與軸(zhou)套配(pei)合(he)(he)處(chu)(chu)要(yao)求(qiu)耐(nai)腐蝕和耐(nai)磨損，必要(yao)時(shi)采用(yong)硬面復層。

　　熱水泵集式(shi)密封(feng)一(yi)般(ban)配上平(ping)衡(heng)循(xun)環系統，可使(shi)用(yong)在易燃、易爆、有(you)毒及腐蝕、高真空等對密封(feng)要求更(geng)為(wei)(wei)嚴格(ge)的(de)場合(he)。密封(feng)結構(gou)為(wei)(wei)外沖(chong)洗結構(gou)，沖(chong)洗液可以為(wei)(wei)清潔的(de)水也可為(wei)(wei)工業回用(yong)水，密封(feng)腔壓(ya)力高于沖(chong)洗液的(de)壓(ya)力，沖(chong)洗液在輔(fu)助套的(de)上端輸(shu)入，在輔(fu)助套的(de)下端輸(shu)出,循(xun)環使(shi)用(yong),密封(feng)起到冷卻(que)沖(chong)洗的(de)作用(yong)，其輔(fu)助裝置(zhi)有(you)調溫器、平(ping)衡(heng)罐、強制循(xun)環平(ping)衡(heng)系統等。