法(fa)(fa)蘭(lan)作為在(zai)石(shi)油(you)化(hua)工裝置、各(ge)種(zhong)管道、管件、閥(fa)門、儀(yi)表(biao)(biao)和(he)設備等(deng)常見、有(you)(you)效(xiao)、重(zhong)要(yao)的(de)(de)(de)(de)連接形式之一(yi)，有(you)(you)著其(qi)獨具的(de)(de)(de)(de)性(xing)能和(he)優(you)勢(shi)。而絕大多數(shu)運用法(fa)(fa)蘭(lan)的(de)(de)(de)(de)情況下，是由法(fa)(fa)蘭(lan)、螺栓(shuan)、墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)三者協同(tong)(tong)實現密(mi)(mi)封(feng)(feng)(feng)，其(qi)中任何一(yi)個(ge)部件出現問題，都會引起整(zheng)個(ge)密(mi)(mi)封(feng)(feng)(feng)系統的(de)(de)(de)(de)泄(xie)露可能。法(fa)(fa)蘭(lan)的(de)(de)(de)(de)密(mi)(mi)封(feng)(feng)(feng)原理：通過螺栓(shuan)的(de)(de)(de)(de)預(yu)緊力(li)，使墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)和(he)法(fa)(fa)蘭(lan)密(mi)(mi)封(feng)(feng)(feng)表(biao)(biao)面之間產(chan)生(sheng)足夠的(de)(de)(de)(de)壓(ya)力(li)，墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)發生(sheng)塑性(xing)變(bian)形以填充法(fa)(fa)蘭(lan)密(mi)(mi)封(feng)(feng)(feng)面之間存在(zai)的(de)(de)(de)(de)微小(xiao)間隙，堵塞介(jie)質(zhi)泄(xie)漏通道，達到密(mi)(mi)封(feng)(feng)(feng)的(de)(de)(de)(de)效(xiao)果(guo)。墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)實際上(shang)是法(fa)(fa)蘭(lan)密(mi)(mi)封(feng)(feng)(feng)重(zhong)要(yao)的(de)(de)(de)(de)部件。法(fa)(fa)蘭(lan)連接所(suo)用的(de)(de)(de)(de)墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)有(you)(you)石(shi)墨墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)、聚四氟墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)、無石(shi)棉軟墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)、橡(xiang)膠墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)、纏(chan)繞墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)、金屬復合(he)墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)等(deng)多種(zhong)，根據不(bu)同(tong)(tong)的(de)(de)(de)(de)溫度壓(ya)力(li)和(he)密(mi)(mi)封(feng)(feng)(feng)介(jie)質(zhi)選擇合(he)適的(de)(de)(de)(de)密(mi)(mi)封(feng)(feng)(feng)材料。法(fa)(fa)蘭(lan)墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)可嵌入微裂紋(wen)和(he)裂縫堵塞，尤其(qi)在(zai)耐酸、堿、防腐及非金屬設施方面。黑龍江法(fa)(fa)蘭(lan)墊(dian)(dian)(dian)(dian)片(pian)(pian)(pian)價格

法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)適(shi)用(yong)(yong)于各種介質的(de)(de)(de)(de)管道、壓(ya)力容(rong)器、閥(fa)門、泵、換(huan)熱器等設(she)備(bei)(bei)的(de)(de)(de)(de)法(fa)蘭(lan)(lan)連(lian)接(jie)處，作靜(jing)(jing)密(mi)(mi)(mi)封(feng)之(zhi)用(yong)(yong)。應(ying)用(yong)(yong)于石油、化工(gong)、機(ji)械、冶金、電(dian)力、造船(chuan)及管道、壓(ya)力容(rong)器、人(ren)孔、手孔等法(fa)蘭(lan)(lan)連(lian)接(jie)處，作靜(jing)(jing)密(mi)(mi)(mi)封(feng)之(zhi)用(yong)(yong)。由于機(ji)械強度高(gao)，使用(yong)(yong)方便，壓(ya)縮回彈性好(hao)(hao)，更適(shi)應(ying)在劇烈的(de)(de)(de)(de)溫度交變場合應(ying)用(yong)(yong)。法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)的(de)(de)(de)(de)作業環境如(ru)下(xia)：1、嚴苛(ke)工(gong)況(kuang)變為密(mi)(mi)(mi)封(feng)可接(jie)受工(gong)況(kuang)。2、實踐作業中，不(bu)必任何輔佐設(she)備(bei)(bei)的(de)(de)(de)(de)法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)幾(ji)乎沒有。如(ru)高(gao)壓(ya)運用(yong)(yong)的(de)(de)(de)(de)串(chuan)聯法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)、高(gao)溫法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)都(dou)須選用(yong)(yong)相應(ying)輔佐設(she)備(bei)(bei)。3、無輔佐體系，就只能改(gai)變密(mi)(mi)(mi)封(feng)布局，進步原(yuan)料(liao)。在應(ying)用(yong)(yong)法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)時(shi)，在400℃以上加熱時(shi)，法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)的(de)(de)(de)(de)裂解(jie)速(su)度逐(zhu)漸加快，分解(jie)產物主要是四氟乙烯、全氟丙烯和(he)八氟環丁烷。黑龍江纏繞墊(dian)(dian)片(pian)法(fa)蘭(lan)(lan)墊(dian)(dian)片(pian)在零(ling)下(xia)將近二(er)百的(de)(de)(de)(de)低溫下(xia)還能具(ju)有很(hen)好(hao)(hao)的(de)(de)(de)(de)伸長率，具(ju)有很(hen)好(hao)(hao)的(de)(de)(de)(de)耐低溫性，機(ji)械韌(ren)性好(hao)(hao)。

法蘭(lan)墊(dian)(dian)(dian)片(pian)可用(yong)于(yu)密(mi)(mi)(mi)(mi)(mi)封受污染的(de)部(bu)件(jian)，墊(dian)(dian)(dian)片(pian)不(bu)會(hui)像石(shi)墨那(nei)樣(yang)由于(yu)氧化(hua)效(xiao)應而(er)(er)導(dao)致(zhi)密(mi)(mi)(mi)(mi)(mi)封應力(li)消失而(er)(er)導(dao)致(zhi)密(mi)(mi)(mi)(mi)(mi)封失效(xiao)。它具有982°C（1800°F）的(de)溫(wen)度，非常(chang)適(shi)(shi)合(he)內燃機排氣系(xi)統，氮肥處(chu)理，高溫(wen)蒸汽(qi)發生器以及許(xu)多其他高溫(wen)條件(jian)。法蘭(lan)墊(dian)(dian)(dian)片(pian)的(de)材質(zhi)不(bu)同的(de)話，其耐腐蝕性(xing)(xing)、耐熱性(xing)(xing)、密(mi)(mi)(mi)(mi)(mi)度等也會(hui)有所區別，適(shi)(shi)合(he)使用(yong)的(de)場合(he)和密(mi)(mi)(mi)(mi)(mi)封介質(zhi)也會(hui)不(bu)一樣(yang)。選購法蘭(lan)墊(dian)(dian)(dian)片(pian)的(de)時候(hou)，一般(ban)都還需要(yao)考(kao)慮(lv)到密(mi)(mi)(mi)(mi)(mi)封介質(zhi)，而(er)(er)法蘭(lan)墊(dian)(dian)(dian)片(pian)經常(chang)被(bei)用(yong)于(yu)水、油、酸等溶液(ye)的(de)密(mi)(mi)(mi)(mi)(mi)封施工當中，為了確(que)保密(mi)(mi)(mi)(mi)(mi)封效(xiao)果(guo)，就需要(yao)根據被(bei)密(mi)(mi)(mi)(mi)(mi)封介質(zhi)的(de)實際溫(wen)度、酸堿性(xing)(xing)、壓(ya)力(li)等情(qing)況來選擇適(shi)(shi)合(he)的(de)墊(dian)(dian)(dian)片(pian)材質(zhi)。

法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)不(bu)只具有(you)很強的(de)(de)(de)耐腐(fu)蝕能(neng)力(li)，而且(qie)還可以(yi)耐高溫(wen)，同(tong)時(shi)不(bu)容易和酸堿等物質(zhi)(zhi)產生化學反應，另外還具有(you)良(liang)好(hao)的(de)(de)(de)柔韌性(xing)，可以(yi)有(you)效的(de)(de)(de)保護(hu)產品(pin)的(de)(de)(de)安全。選(xuan)購法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)的(de)(de)(de)時(shi)候，一(yi)(yi)(yi)定(ding)要了(le)解清楚法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)的(de)(de)(de)材(cai)(cai)質(zhi)(zhi)和性(xing)能(neng)，法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)的(de)(de)(de)性(xing)能(neng)會(hui)影(ying)響(xiang)到法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)的(de)(de)(de)具體使用場(chang)合(he)(he)。法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)的(de)(de)(de)材(cai)(cai)質(zhi)(zhi)不(bu)同(tong)的(de)(de)(de)話(hua)，其(qi)耐腐(fu)蝕性(xing)、耐熱性(xing)、密(mi)度(du)等也(ye)會(hui)有(you)所區別(bie)，適合(he)(he)使用的(de)(de)(de)場(chang)合(he)(he)和密(mi)封(feng)(feng)(feng)介質(zhi)(zhi)也(ye)會(hui)不(bu)一(yi)(yi)(yi)樣。選(xuan)購法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)的(de)(de)(de)時(shi)候，一(yi)(yi)(yi)般都還需(xu)要考慮到密(mi)封(feng)(feng)(feng)介質(zhi)(zhi)，而法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)經(jing)常被(bei)(bei)用于水(shui)、油、酸等溶液的(de)(de)(de)密(mi)封(feng)(feng)(feng)施工當(dang)中，為(wei)了(le)確(que)保密(mi)封(feng)(feng)(feng)效果，就(jiu)需(xu)要根(gen)據被(bei)(bei)密(mi)封(feng)(feng)(feng)介質(zhi)(zhi)的(de)(de)(de)實際溫(wen)度(du)、酸堿性(xing)、壓(ya)力(li)等情(qing)況來(lai)選(xuan)擇適合(he)(he)的(de)(de)(de)墊(dian)(dian)片(pian)(pian)材(cai)(cai)質(zhi)(zhi)。一(yi)(yi)(yi)般情(qing)況下，若(ruo)是純(chun)法(fa)(fa)(fa)蘭墊(dian)(dian)片(pian)(pian)的(de)(de)(de)話(hua)，那么其(qi)機(ji)械強度(du)就(jiu)是在零下一(yi)(yi)(yi)百(bai)度(du)到零上一(yi)(yi)(yi)百(bai)度(du)之間，并且(qie)會(hui)相對穩定(ding)。

纏(chan)繞(rao)(rao)(rao)式墊片(pian)主(zhu)要包括金(jin)(jin)屬纏(chan)繞(rao)(rao)(rao)墊片(pian)，石(shi)(shi)墨(mo)纏(chan)繞(rao)(rao)(rao)墊片(pian)，石(shi)(shi)墨(mo)金(jin)(jin)屬纏(chan)繞(rao)(rao)(rao)墊片(pian)，金(jin)(jin)屬石(shi)(shi)墨(mo)纏(chan)繞(rao)(rao)(rao)墊片(pian)，內外環纏(chan)繞(rao)(rao)(rao)墊片(pian)， 金(jin)(jin)屬石(shi)(shi)棉(mian)纏(chan)繞(rao)(rao)(rao)墊片(pian)，金(jin)(jin)屬四氟纏(chan)繞(rao)(rao)(rao)墊片(pian)等。性(xing)(xing)能(neng)及(ji)特點：適用(yong)的(de)工(gong)況范圍(wei)寬。能(neng)耐高(gao)溫(wen)、高(gao)壓(ya)和適應較低溫(wen)或真空(kong)下的(de)使(shi)用(yong)條件。通過(guo)改變(bian)墊片(pian)的(de)材料組合(he)，可解決(jue)各種介質(zhi)對(dui)墊片(pian)的(de)化(hua)學腐蝕問題。應力(li)補償(chang)能(neng)力(li)強(qiang)。在溫(wen)度(du)、壓(ya)力(li)波(bo)動頻繁的(de)工(gong)位(wei)上，密(mi)封性(xing)(xing)能(neng)穩(wen)定(ding)、可靠。密(mi)封性(xing)(xing)能(neng)優良。對(dui)與墊片(pian)接觸的(de)法蘭密(mi)封面的(de)表面精度(du)要求不高(gao)。安裝方便，墊片(pian)預緊壓(ya)力(li)較低。法蘭墊片(pian)具有(you)很好的(de)耐腐蝕性(xing)(xing)，并且只在高(gao)溫(wen)高(gao)壓(ya)下作用(yong)于(yu)熔(rong)融堿(jian)金(jin)(jin)屬和氟元素(su)(su)等元素(su)(su)。貴陽無石(shi)(shi)棉(mian)墊片(pian)

法(fa)(fa)蘭(lan)墊(dian)片具(ju)有較好(hao)的彈(dan)性，用于石化、化工、電力等行(xing)業的法(fa)(fa)蘭(lan)密封結構中。黑龍江法(fa)(fa)蘭(lan)墊(dian)片價格

法(fa)蘭墊(dian)(dian)(dian)片(pian)(pian)外部條(tiao)件(jian)的(de)(de)(de)影響(xiang)：管道系統(tong)的(de)(de)(de)振動(dong)、連(lian)接(jie)組件(jian)的(de)(de)(de)變(bian)形、安(an)(an)裝(zhuang)位置的(de)(de)(de)偏移等原(yuan)因(yin)都(dou)會對密封(feng)(feng)件(jian)產生(sheng)(sheng)附加作用(yong)力(li)，從而對密封(feng)(feng)造成(cheng)不(bu)利的(de)(de)(de)影響(xiang)。尤其是(shi)振動(dong)，將使密封(feng)(feng)面間的(de)(de)(de)壓緊力(li)產生(sheng)(sheng)周(zhou)期性變(bian)化(hua)，使連(lian)接(jie)螺栓松弛，從而造成(cheng)密封(feng)(feng)失(shi)效(xiao)(xiao)。要(yao)(yao)想達到良(liang)好的(de)(de)(de)密封(feng)(feng)效(xiao)(xiao)果，必(bi)須認真考慮以下(xia)諸因(yin)素。墊(dian)(dian)(dian)片(pian)(pian)的(de)(de)(de)型(xing)式和適用(yong)范圍(wei)應(ying)符合設計文件(jian)以及(ji)國家(jia)和相關行業現行有效(xiao)(xiao)標準(zhun)的(de)(de)(de)規定(ding)，墊(dian)(dian)(dian)片(pian)(pian)材質(zhi)及(ji)使用(yong)標準(zhun)的(de)(de)(de)變(bian)更(geng)需經(jing)審批。選(xuan)(xuan)擇墊(dian)(dian)(dian)片(pian)(pian)的(de)(de)(de)影響(xiang)因(yin)素很多，通常應(ying)在保證安(an)(an)全運行的(de)(de)(de)前提(ti)下(xia)，盡量(liang)選(xuan)(xuan)用(yong)價格便(bian)宜、制造容易、安(an)(an)裝(zhuang)和更(geng)換都(dou)比較簡便(bian)的(de)(de)(de)墊(dian)(dian)(dian)片(pian)(pian)。墊(dian)(dian)(dian)片(pian)(pian)的(de)(de)(de)厚度，視具(ju)體情(qing)況而定(ding)。一(yi)般來說，如果密封(feng)(feng)面加工良(liang)好，壓力(li)不(bu)太(tai)(tai)高時，宜選(xuan)(xuan)用(yong)薄墊(dian)(dian)(dian)片(pian)(pian)。但(dan)內壓力(li)較高的(de)(de)(de)情(qing)況下(xia)，墊(dian)(dian)(dian)片(pian)(pian)太(tai)(tai)薄，對應(ying)于螺栓的(de)(de)(de)伸長，墊(dian)(dian)(dian)片(pian)(pian)的(de)(de)(de)回彈(dan)太(tai)(tai)小，不(bu)能達到必(bi)要(yao)(yao)的(de)(de)(de)復原(yuan)量(liang)易產生(sheng)(sheng)泄漏(lou)，故壓力(li)較高時，應(ying)選(xuan)(xuan)用(yong)較厚的(de)(de)(de)墊(dian)(dian)(dian)片(pian)(pian)。黑龍(long)江法(fa)蘭墊(dian)(dian)(dian)片(pian)(pian)價格

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