靜密封的分類與(yu)工作(zuo)原理
廣泛的密(mi)封(feng)(feng)(feng)件中(zhong),所謂靜密(mi)封(feng)(feng)(feng)可分(fen)(fen)為(wei)中(zhong)、低壓(ya)靜密(mi)封(feng)(feng)(feng)和高壓(ya)靜密(mi)封(feng)(feng)(feng)。然而中(zhong)、低壓(ya)靜密(mi)封(feng)(feng)(feng)常用(yong)材質較(jiao)軟、墊(dian)(dian)(dian)片(pian)較(jiao)寬(kuan)的墊(dian)(dian)(dian)密(mi)封(feng)(feng)(feng),高壓(ya)靜密(mi)封(feng)(feng)(feng)則(ze)用(yong)材料(liao)較(jiao)硬、接觸(chu)寬(kuan)度(du)很窄的金屬墊(dian)(dian)(dian)片(pian)。根據工作原(yuan)理,靜密(mi)封(feng)(feng)(feng)的分(fen)(fen)類(lei)是(shi)怎樣的呢?“密(mi)封(feng)(feng)(feng)件”靜密(mi)封(feng)(feng)(feng)可分(fen)(fen)為(wei)法蘭連(lian)接墊(dian)(dian)(dian)片(pian)密(mi)封(feng)(feng)(feng)、自緊密(mi)封(feng)(feng)(feng)、研合(he)面密(mi)封(feng)(feng)(feng)、O型密(mi)封(feng)(feng)(feng)環、密(mi)封(feng)(feng)(feng)膠圈(quan)、填料(liao)密(mi)封(feng)(feng)(feng)、螺(luo)紋連(lian)接墊(dian)(dian)(dian)片(pian)密(mi)封(feng)(feng)(feng)、螺(luo)紋連(lian)接密(mi)封(feng)(feng)(feng)......
2020-11-16
管道閥門在安裝時(shi)需要注意(yi)哪(na)些?
管(guan)道閥(fa)門在流體(ti)管(guan)道系(xi)統(tong)中(zhong),閥(fa)門是控制元(yuan)件,其主(zhu)要(yao)(yao)作用(yong)是隔離設(she)備和管(guan)道系(xi)統(tong)、調節流量、防(fang)止回流、調節和排泄壓力。可用(yong)于控制空氣、水、蒸汽、各(ge)種(zhong)腐蝕(shi)性介質、泥漿、油品、液態金屬和放(fang)射性介質等各(ge)種(zhong)類型(xing)流體(ti)的流動(dong)。由于管(guan)道系(xi)統(tong)選(xuan)擇(ze)最(zui)適(shi)合(he)的閥(fa)門顯(xian)得(de)非(fei)常重要(yao)(yao),在施工過(guo)程中(zhong),管(guan)道閥(fa)門安(an)裝的質量,直(zhi)接影(ying)響到(dao)日(ri)后的正常運行,所以必(bi)須注意(yi)......
2020-11-16
球閥型號(hao)是如何區分和編制?
球(qiu)(qiu)閥(fa)(fa)型號(hao)(hao)(hao)編制(zhi)表(biao)示(shi)(shi)(shi)(shi)方法:球(qiu)(qiu)閥(fa)(fa)附(fu)加代號(hao)(hao)(hao):V表(biao)示(shi)(shi)(shi)(shi)閥(fa)(fa)芯(xin)帶有V型結(jie)(jie)構(gou)、D表(biao)示(shi)(shi)(shi)(shi)低溫、B表(biao)示(shi)(shi)(shi)(shi)保溫、P表(biao)示(shi)(shi)(shi)(shi)偏心結(jie)(jie)構(gou)、U和S及(ji)DY多表(biao)示(shi)(shi)(shi)(shi)上裝式;球(qiu)(qiu)閥(fa)(fa)名稱代號(hao)(hao)(hao):Q表(biao)示(shi)(shi)(shi)(shi)球(qiu)(qiu)閥(fa)(fa);球(qiu)(qiu)閥(fa)(fa)驅動(dong)(dong)代號(hao)(hao)(hao):2表(biao)示(shi)(shi)(shi)(shi)電液(ye)(ye)動(dong)(dong)、3表(biao)示(shi)(shi)(shi)(shi)渦輪、6表(biao)示(shi)(shi)(shi)(shi)氣動(dong)(dong)、7表(biao)示(shi)(shi)(shi)(shi)液(ye)(ye)動(dong)(dong)、9表(biao)示(shi)(shi)(shi)(shi)電動(dong)(dong)、手動(dong)(dong)無代號(hao)(hao)(hao);連接方式代號(hao)(hao)(hao):...
2020-11-16