靜密封的(de)分(fen)類與工作原(yuan)理
廣泛的(de)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)中(zhong),所(suo)謂靜(jing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)可分(fen)為中(zhong)、低壓靜(jing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)和高壓靜(jing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。然而(er)中(zhong)、低壓靜(jing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)常用材質較軟、墊片較寬(kuan)的(de)墊密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng),高壓靜(jing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)則用材料較硬、接(jie)(jie)觸寬(kuan)度很窄的(de)金屬墊片。根據工作原理,靜(jing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的(de)分(fen)類是怎(zen)樣的(de)呢?“密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)”靜(jing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)可分(fen)為法蘭連接(jie)(jie)墊片密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)、自緊密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)、研合面密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)、O型密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)環、密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)膠圈、填料密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)、螺紋連接(jie)(jie)墊片密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)、螺紋連接(jie)(jie)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)......
2020-11-16
管道閥門在安裝時需要注意哪些(xie)?
管(guan)道(dao)閥門在流體(ti)管(guan)道(dao)系統(tong)中(zhong),閥門是控(kong)制元件,其主要(yao)作(zuo)用是隔離(li)設(she)備和管(guan)道(dao)系統(tong)、調(diao)節流量(liang)、防止回流、調(diao)節和排泄壓力。可用于控(kong)制空氣、水、蒸汽(qi)、各種腐蝕性(xing)介質(zhi)(zhi)(zhi)、泥漿、油品、液態金(jin)屬和放射性(xing)介質(zhi)(zhi)(zhi)等各種類型流體(ti)的流動(dong)。由于管(guan)道(dao)系統(tong)選擇最適合的閥門顯得非常(chang)(chang)重要(yao),在施工過程中(zhong),管(guan)道(dao)閥門安裝(zhuang)的質(zhi)(zhi)(zhi)量(liang),直接影響到日(ri)后的正常(chang)(chang)運行(xing),所以(yi)必須注(zhu)意......
2020-11-16
球閥型(xing)號是如何區分和編制?
球(qiu)閥型號(hao)編制(zhi)表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)方(fang)法:球(qiu)閥附加代號(hao):V表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)閥芯帶有V型結(jie)構(gou)、D表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)低溫、B表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)保溫、P表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)偏(pian)心結(jie)構(gou)、U和S及DY多表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)上裝式(shi);球(qiu)閥名稱代號(hao):Q表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)球(qiu)閥;球(qiu)閥驅動(dong)代號(hao):2表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)電液動(dong)、3表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)渦輪、6表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)氣動(dong)、7表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)液動(dong)、9表(biao)(biao)(biao)(biao)示(shi)(shi)(shi)(shi)(shi)電動(dong)、手動(dong)無代號(hao);連接方(fang)式(shi)代號(hao):...
2020-11-16