高(gao)(gao)壓(ya)管(guan)(guan)(guan)(guan)(guan)道安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)同中(zhong)、低壓(ya)管(guan)(guan)(guan)(guan)(guan)道安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)的(de)(de)(de)(de)要(yao)(yao)求大同小異(yi)，不過(guo)(guo)要(yao)(yao)求更(geng)高(gao)(gao)，規(gui)(gui)定(ding)更(geng)嚴，因此(ci)，除(chu)需符合(he)中(zhong)、低壓(ya)管(guan)(guan)(guan)(guan)(guan)道安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)要(yao)(yao)求外(wai)(wai)(wai)，尚應(ying)(ying)(ying)按(an)下面(mian)(mian)要(yao)(yao)求執行(xing)。由于高(gao)(gao)壓(ya)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)壁較厚，所(suo)以(yi)彎曲時(shi)(shi)(shi)一(yi)般可(ke)以(yi)不灌(guan)砂。 [2] 用來(lai)(lai)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)的(de)(de)(de)(de)高(gao)(gao)壓(ya)管(guan)(guan)(guan)(guan)(guan)段、管(guan)(guan)(guan)(guan)(guan)件(jian)、緊固件(jian)和(he)閥門(men)必須(xu)經檢驗合(he)格(ge)(ge)，并附有相應(ying)(ying)(ying)的(de)(de)(de)(de)技術(shu)證明文件(jian)，運到現(xian)場后應(ying)(ying)(ying)妥善保(bao)(bao)管(guan)(guan)(guan)(guan)(guan)、標(biao)志明顯(xian)、放置(zhi)整齊。安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)前(qian)，應(ying)(ying)(ying)將其內(nei)、外(wai)(wai)(wai)表面(mian)(mian)擦(ca)拭(shi)干凈，同時(shi)(shi)(shi)檢查(cha)其內(nei)通(tong)道有否(fou)(fou)異(yi)物，是(shi)(shi)否(fou)(fou)暢通(tong)。檢查(cha)管(guan)(guan)(guan)(guan)(guan)口(kou)(kou)密(mi)(mi)封(feng)(feng)面(mian)(mian)和(he)密(mi)(mi)封(feng)(feng)墊(dian)(dian)(dian)的(de)(de)(de)(de)粗糙度是(shi)(shi)否(fou)(fou)符合(he)要(yao)(yao)求，在(zai)密(mi)(mi)封(feng)(feng)面(mian)(mian)上(shang)(shang)不得有影(ying)響密(mi)(mi)封(feng)(feng)性能(neng)的(de)(de)(de)(de)劃痕(hen)（特(te)別是(shi)(shi)徑向劃痕(hen)）、斑點等缺陷(xian)存(cun)在(zai)，除(chu)規(gui)(gui)定(ding)脫(tuo)脂(zhi)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)道外(wai)(wai)(wai)，在(zai)管(guan)(guan)(guan)(guan)(guan)口(kou)(kou)密(mi)(mi)封(feng)(feng)面(mian)(mian)和(he)密(mi)(mi)封(feng)(feng)墊(dian)(dian)(dian)上(shang)(shang)涂以(yi)機(ji)油或黃油或白凡(fan)士(shi)林保(bao)(bao)護(hu)。 經檢查(cha)合(he)格(ge)(ge)的(de)(de)(de)(de)高(gao)(gao)壓(ya)管(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)端(duan)螺(luo)(luo)紋部(bu)分，除(chu)規(gui)(gui)定(ding)脫(tuo)脂(zhi)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)道外(wai)(wai)(wai)，應(ying)(ying)(ying)涂以(yi)二硫化鉬潤滑(hua)脂(zhi)或石(shi)墨機(ji)油的(de)(de)(de)(de)調合(he)劑(ji)保(bao)(bao)護(hu)。 高(gao)(gao)壓(ya)管(guan)(guan)(guan)(guan)(guan) 高(gao)(gao)壓(ya)管(guan)(guan)(guan)(guan)(guan) 管(guan)(guan)(guan)(guan)(guan)道安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)時(shi)(shi)(shi)，應(ying)(ying)(ying)使(shi)用正(zheng)(zheng)式(shi)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)架(jia)(jia)固定(ding)，與高(gao)(gao)壓(ya)管(guan)(guan)(guan)(guan)(guan)子、管(guan)(guan)(guan)(guan)(guan)件(jian)接觸(chu)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)架(jia)(jia)上(shang)(shang)，應(ying)(ying)(ying)按(an)設計要(yao)(yao)求安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)保(bao)(bao)護(hu)套管(guan)(guan)(guan)(guan)(guan)。安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)高(gao)(gao)壓(ya)法(fa)蘭(lan)(lan)時(shi)(shi)(shi)應(ying)(ying)(ying)露(lu)出管(guan)(guan)(guan)(guan)(guan)端(duan)螺(luo)(luo)紋的(de)(de)(de)(de)倒角(jiao)。安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)密(mi)(mi)封(feng)(feng)墊(dian)(dian)(dian)時(shi)(shi)(shi)，不要(yao)(yao)用金(jin)屬絲吊放，事先(xian)應(ying)(ying)(ying)在(zai)管(guan)(guan)(guan)(guan)(guan)口(kou)(kou)及墊(dian)(dian)(dian)上(shang)(shang)涂以(yi)黃油，軟(ruan)金(jin)屬高(gao)(gao)壓(ya)墊(dian)(dian)(dian)片應(ying)(ying)(ying)準確地放入(ru)密(mi)(mi)封(feng)(feng)座內(nei)。 法(fa)蘭(lan)(lan)螺(luo)(luo)栓(shuan)應(ying)(ying)(ying)對(dui)稱均勻地擰(ning)緊，不得過(guo)(guo)度，螺(luo)(luo)栓(shuan)擰(ning)緊之后，兩法(fa)蘭(lan)(lan)應(ying)(ying)(ying)保(bao)(bao)持平行(xing)同心(xin)，露(lu)在(zai)螺(luo)(luo)母(mu)外(wai)(wai)(wai)面(mian)(mian)的(de)(de)(de)(de)螺(luo)(luo)紋應(ying)(ying)(ying)為2~3扣，至少(shao)不應(ying)(ying)(ying)少(shao)于2扣，并使(shi)各個(ge)螺(luo)(luo)栓(shuan)的(de)(de)(de)(de)外(wai)(wai)(wai)露(lu)長(chang)度基本(ben)一(yi)致。 在(zai)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)過(guo)(guo)程中(zhong)，不得用強(qiang)拉、強(qiang)推、強(qiang)扭或修改密(mi)(mi)封(feng)(feng)墊(dian)(dian)(dian)厚度等辦法(fa)來(lai)(lai)彌補制造或安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)誤差(cha)。管(guan)(guan)(guan)(guan)(guan)道安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)工作如不可(ke)能(neng)連續進行(xing)和(he)完成，應(ying)(ying)(ying)及時(shi)(shi)(shi)封(feng)(feng)閉敞開(kai)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)口(kou)(kou)。管(guan)(guan)(guan)(guan)(guan)道上(shang)(shang)的(de)(de)(de)(de)儀(yi)表取(qu)樣部(bu)位的(de)(de)(de)(de)零(ling)件(jian)應(ying)(ying)(ying)與管(guan)(guan)(guan)(guan)(guan)道同時(shi)(shi)(shi)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)。 合(he)金(jin)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)進行(xing)局部(bu)彎度校正(zheng)(zheng)時(shi)(shi)(shi)，其加熱溫(wen)度一(yi)定(ding)要(yao)(yao)控制在(zai)鋼(gang)(gang)(gang)材的(de)(de)(de)(de)臨(lin)界溫(wen)度以(yi)下。 在(zai)管(guan)(guan)(guan)(guan)(guan)道系統安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)完畢之后，應(ying)(ying)(ying)復查(cha)管(guan)(guan)(guan)(guan)(guan)道上(shang)(shang)的(de)(de)(de)(de)鋼(gang)(gang)(gang)印標(biao)記(ji)，若發(fa)現(xian)某(mou)處漏(lou)打鋼(gang)(gang)(gang)印，應(ying)(ying)(ying)根據(ju)原始依據(ju)及時(shi)(shi)(shi)補上(shang)(shang)。