熱水泵集式密封(feng)的大(da)(da)多數主要(yao)特性是其控制密封(feng)功(gong)能、摩擦力(li)、磨(mo)損(sun)和(he)壽(shou)命的自動界面(mian)(mian)潤(run)滑(hua)機理。一(yi)切取決(jue)于(yu)穿過(guo)界面(mian)(mian)并建立潤(run)滑(hua)膜(mo)的液(ye)體(ti)以便密封(feng)在實際無接觸，通常(chang)是混合(he)磨(mo)擦，介(jie)于(yu)干摩擦和(he)完整液(ye)膜(mo)之間的潤(run)滑(hua)摩擦狀(zhuang)態(tai)下(xia)(xia)運(yun)行(xing)。在腔(qiang)體(ti)壓力(li)作用(yong)(yong)下(xia)(xia)介(jie)質穿過(guo)密封(feng)摩擦副端面(mian)(mian)，表面(mian)(mian)張力(li)和(he)離心力(li)在此(ci)時影響不(bu)大(da)(da)，流(liu)體(ti)壓力(li)持續下(xia)(xia)降直到它達到外部(bu)背壓，此(ci)壓力(li)作用(yong)(yong)類似于(yu)流(liu)體(ti)靜壓時軸承(cheng)的承(cheng)載功(gong)能。這(zhe)取決(jue)于(yu)介(jie)質粘度、轉速和(he)端面(mian)(mian)間隙變化。

　　熱水(shui)泵集式密(mi)封(feng)(feng)要起(qi)(qi)(qi)到靜(jing)環(huan)(huan)和動(dong)(dong)(dong)(dong)環(huan)(huan)的(de)(de)密(mi)封(feng)(feng)作(zuo)用(yong)(yong)，同時也起(qi)(qi)(qi)到浮動(dong)(dong)(dong)(dong)緩沖作(zuo)用(yong)(yong)，要求靜(jing)環(huan)(huan)的(de)(de)輔助密(mi)封(feng)(feng)元(yuan)件(jian)能(neng)保證(zheng)靜(jing)環(huan)(huan)與壓蓋之(zhi)間的(de)(de)密(mi)封(feng)(feng)性和靜(jing)環(huan)(huan)有一定(ding)的(de)(de)浮動(dong)(dong)(dong)(dong)性，動(dong)(dong)(dong)(dong)環(huan)(huan)的(de)(de)輔助密(mi)封(feng)(feng)元(yuan)件(jian)能(neng)保證(zheng)動(dong)(dong)(dong)(dong)環(huan)(huan)與軸與軸套之(zhi)間的(de)(de)密(mi)封(feng)(feng)性和動(dong)(dong)(dong)(dong)環(huan)(huan)的(de)(de)浮動(dong)(dong)(dong)(dong)性，材料要求耐熱或耐寒(han)并(bing)能(neng)與介質相容。起(qi)(qi)(qi)到將軸的(de)(de)轉矩傳(chuan)(chuan)(chuan)給動(dong)(dong)(dong)(dong)環(huan)(huan)的(de)(de)作(zuo)用(yong)(yong)，中間傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)銷、壓環(huan)(huan)—傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)環(huan)(huan)、傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)銷—彈簧座(zuo)均起(qi)(qi)(qi)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)作(zuo)用(yong)(yong)，材料要求耐磨和耐腐蝕。

　　緊固件要起到靜、動環(huan)(huan)的定位、緊固和(he)盛裝(zhuang)的作用(yong)(yong)，要求定位正(zheng)確(que)，保證摩(mo)擦副密(mi)封(feng)面處于(yu)正(zheng)確(que)的位置并保持良好貼合(he)的彈簧比壓。同(tong)時(shi)要求拆裝(zhuang)方(fang)便、容易(yi)就位、能重復(fu)利用(yong)(yong)。與輔助密(mi)封(feng)配(pei)合(he)處，注(zhu)意(yi)安(an)裝(zhuang)密(mi)封(feng)環(huan)(huan)的導向(xiang)側角和(he)壓彈量(liang)。特別應(ying)注(zhu)意(yi)動環(huan)(huan)輔助密(mi)封(feng)件與軸套配(pei)合(he)處要求耐腐蝕(shi)和(he)耐磨損(sun)，必要時(shi)采(cai)用(yong)(yong)硬(ying)面復(fu)層(ceng)。

　　熱水泵集式密(mi)(mi)封(feng)一般配上平衡(heng)循(xun)環系統(tong)，可(ke)使用(yong)(yong)在易燃、易爆、有(you)毒(du)及(ji)腐蝕(shi)、高真空等(deng)對密(mi)(mi)封(feng)要求更為(wei)(wei)嚴格的(de)(de)場(chang)合(he)。密(mi)(mi)封(feng)結構為(wei)(wei)外(wai)沖洗(xi)(xi)結構，沖洗(xi)(xi)液(ye)(ye)可(ke)以為(wei)(wei)清(qing)潔的(de)(de)水也可(ke)為(wei)(wei)工業回用(yong)(yong)水，密(mi)(mi)封(feng)腔壓力高于沖洗(xi)(xi)液(ye)(ye)的(de)(de)壓力，沖洗(xi)(xi)液(ye)(ye)在輔助(zhu)套(tao)的(de)(de)上端輸入，在輔助(zhu)套(tao)的(de)(de)下端輸出(chu),循(xun)環使用(yong)(yong),密(mi)(mi)封(feng)起到冷卻沖洗(xi)(xi)的(de)(de)作(zuo)用(yong)(yong)，其輔助(zhu)裝置有(you)調溫器、平衡(heng)罐、強制(zhi)循(xun)環平衡(heng)系統(tong)等(deng)。