板式換(huan)(huan)熱(re)器(qi)(qi)橡膠(jiao)密封(feng)墊(dian)(dian)片的(de)(de)(de)維(wei)護(hu)：但(dan)目前有些(xie)板式換(huan)(huan)熱(re)器(qi)(qi)擁(yong)有可再調(diao)節的(de)(de)(de)功能，也就(jiu)是(shi)可以在出現小(xiao)(xiao)量滴(di)(di)漏(lou)時(shi)(shi)(shi)二次(ci)將換(huan)(huan)熱(re)器(qi)(qi)片組(zu)擰固，達(da)到增加密封(feng)墊(dian)(dian)之間的(de)(de)(de)應力(li)，在短時(shi)(shi)(shi)間內有效解決滴(di)(di)漏(lou)現象。在新組(zu)裝的(de)(de)(de)換(huan)(huan)熱(re)器(qi)(qi)中，可以使(shi)用較(jiao)大(da)的(de)(de)(de)組(zu)合(he)長(chang)(chang)度尺(chi)(chi)(chi)寸(cun)，當出現滴(di)(di)漏(lou)后，再擰緊各組(zu)板式換(huan)(huan)熱(re)器(qi)(qi)，較(jiao)大(da)組(zu)合(he)長(chang)(chang)度尺(chi)(chi)(chi)寸(cun)和(he)較(jiao)小(xiao)(xiao)組(zu)合(he)長(chang)(chang)度尺(chi)(chi)(chi)寸(cun)一般都可在熱(re)交換(huan)(huan)器(qi)(qi)的(de)(de)(de)銘(ming)牌中看到。需(xu)(xu)注意的(de)(de)(de)是(shi)不能小(xiao)(xiao)于(yu)較(jiao)小(xiao)(xiao)組(zu)合(he)長(chang)(chang)度尺(chi)(chi)(chi)寸(cun)，當組(zu)合(he)后的(de)(de)(de)換(huan)(huan)熱(re)器(qi)(qi)達(da)到較(jiao)小(xiao)(xiao)組(zu)合(he)長(chang)(chang)度尺(chi)(chi)(chi)寸(cun)仍(reng)出現滴(di)(di)漏(lou)時(shi)(shi)(shi)，說明密封(feng)墊(dian)(dian)必須需(xu)(xu)要(yao)改換(huan)(huan)了(le)。對橡膠(jiao)密封(feng)墊(dian)(dian)的(de)(de)(de)使(shi)用壽命有著重要(yao)影響的(de)(de)(de)原因為換(huan)(huan)熱(re)器(qi)(qi)的(de)(de)(de)工作(zuo)方式、散熱(re)的(de)(de)(de)介(jie)質和(he)使(shi)用的(de)(de)(de)清潔(jie)劑的(de)(de)(de)腐蝕性、較(jiao)高工作(zuo)溫(wen)度、較(jiao)高工作(zuo)壓(ya)力(li)、由于(yu)過大(da)的(de)(de)(de)壓(ya)力(li)和(he)不均衡(heng)的(de)(de)(de)壓(ya)力(li)而使(shi)彈性密封(feng)墊(dian)(dian)的(de)(de)(de)應力(li)較(jiao)大(da)、自然老化。出現這些(xie)就(jiu)要(yao)及時(shi)(shi)(shi)進行(xing)維(wei)護(hu)和(he)保(bao)養或是(shi)更換(huan)(huan)。蘇(su)州聚(ju)四氟(fu)O型圈批(pi)發，請(qing)聯(lian)系無錫鼎(ding)正新材。廈門丁氰橡膠(jiao)O型圈材質

O型圈

全(quan)(quan)氟(fu)(fu)(fu)(fu)橡(xiang)(xiang)膠(jiao)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)產(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)型(xing)(xing)(xing)(xing)(xing)號(hao)：ORAS22100-FFKM70產(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)概述(shu)全(quan)(quan)氟(fu)(fu)(fu)(fu)橡(xiang)(xiang)膠(jiao)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)性(xing)(xing)能：全(quan)(quan)氟(fu)(fu)(fu)(fu)橡(xiang)(xiang)膠(jiao)O形圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，主要(yao)應用(yong)(yong)于石油化(hua)工、半導(dao)體(ti)工業(ye)、高(gao)真空技(ji)術(shu)以(yi)及航空航天(tian)工業(ye)，其抗(kang)化(hua)學(xue)性(xing)(xing)接(jie)近PTFE，因(yin)此(ci)能耐(nai)(nai)(nai)(nai)基本所有(you)的化(hua)學(xue)液(ye)體(ti)和(he)氣(qi)體(ti)，例如：有(you)機酸，無機酸，堿類(lei)(lei)，酮類(lei)(lei)，酯類(lei)(lei)及醇(chun)類(lei)(lei)。該(gai)產(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)除了(le)擁有(you)特富龍(long)的優異(yi)耐(nai)(nai)(nai)(nai)化(hua)學(xue)性(xing)(xing)能外(wai)，同時還擁有(you)橡(xiang)(xiang)膠(jiao)的彈性(xing)(xing)、耐(nai)(nai)(nai)(nai)熱性(xing)(xing)和(he)潔凈度(du)。根(gen)據(ju)溫(wen)度(du)/水(shui)蒸氣(qi)介質可以(yi)分為：耐(nai)(nai)(nai)(nai)溫(wen)250、耐(nai)(nai)(nai)(nai)溫(wen)300、耐(nai)(nai)(nai)(nai)溫(wen)250/有(you)水(shui)蒸氣(qi)、耐(nai)(nai)(nai)(nai)溫(wen)300/有(you)水(shui)蒸氣(qi)四只料。FFKM全(quan)(quan)氟(fu)(fu)(fu)(fu)醚O形圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)主要(yao)特點(dian)在(zai)它幾乎不(bu)受所有(you)流體(ti)影響，對(dui)臭(chou)氧與天(tian)候及火焰抵(di)抗(kang)都(dou)極(ji)好，抗(kang)輻(fu)射線尚可，也可用(yong)(yong)於(wu)高(gao)真空材料。技(ji)術(shu)指標標準：美標AS568A-221內徑：36.09線徑：3.53材料：全(quan)(quan)氟(fu)(fu)(fu)(fu)橡(xiang)(xiang)膠(jiao)|FFKM|FFPM硬度(du)：邵氏硬度(du)70度(du)顏色：黑色訂貨信(xin)息產(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)型(xing)(xing)(xing)(xing)(xing)號(hao)：ORAR00221_FFKM70B產(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)名稱：我司(si)專(zhuan)業(ye)生(sheng)產(chan)(chan)(chan)(chan)各(ge)種(zhong)液(ye)壓用(yong)(yong)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)、全(quan)(quan)氟(fu)(fu)(fu)(fu)橡(xiang)(xiang)膠(jiao)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)、VMQ硅(gui)膠(jiao)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)、VITON氟(fu)(fu)(fu)(fu)膠(jiao)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)、防(fang)水(shui)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)、HNBR耐(nai)(nai)(nai)(nai)油O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)、FKM耐(nai)(nai)(nai)(nai)高(gao)溫(wen)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)、美標AS568系列O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，日標VSPG系列O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，aflas橡(xiang)(xiang)膠(jiao)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，精密(mi)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)。我司(si)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)生(sheng)產(chan)(chan)(chan)(chan)所用(yong)(yong)原材料全(quan)(quan)部采用(yong)(yong)進口膠(jiao)料，做工精細，更有(you)冷凍驅邊、水(shui)磨工藝(yi)，達到產(chan)(chan)(chan)(chan)品(pin)(pin)(pin)(pin)無毛邊無合模(mo)線的理想效果。新鄉聚(ju)氨酯O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)尺寸(cun)聚(ju)四氟(fu)(fu)(fu)(fu)O型(xing)(xing)(xing)(xing)(xing)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，請聯系無錫(xi)鼎(ding)正新材購買。

對于O型圈動(dong)密(mi)(mi)封(feng)(feng)(feng)則要(yao)區分(fen)是往(wang)復運(yun)(yun)動(dong)密(mi)(mi)封(feng)(feng)(feng)還是旋(xuan)轉運(yun)(yun)動(dong)密(mi)(mi)封(feng)(feng)(feng)。1．靜(jing)密(mi)(mi)封(feng)(feng)(feng)：圓(yuan)柱靜(jing)密(mi)(mi)封(feng)(feng)(feng)裝置(zhi)和往(wang)復運(yun)(yun)動(dong)式密(mi)(mi)封(feng)(feng)(feng)裝置(zhi)一(yi)樣，一(yi)般(ban)取(qu)W=10%～15%；平面靜(jing)密(mi)(mi)封(feng)(feng)(feng)裝置(zhi)取(qu)W=15%～30%。2．對于動(dong)密(mi)(mi)封(feng)(feng)(feng)而言，可以分(fen)為三種(zhong)情況；往(wang)復運(yun)(yun)動(dong)一(yi)般(ban)取(qu)W=10%～15%。旋(xuan)轉運(yun)(yun)動(dong)密(mi)(mi)封(feng)(feng)(feng)在(zai)(zai)選取(qu)壓(ya)縮(suo)(suo)(suo)率(lv)時必須要(yao)考慮(lv)焦耳熱(re)效應，一(yi)般(ban)來說，旋(xuan)轉運(yun)(yun)動(dong)用(yong)O形圈的(de)內徑(jing)要(yao)比軸徑(jing)大(da)3%-5%，外(wai)徑(jing)的(de)壓(ya)縮(suo)(suo)(suo)率(lv)W=3%-8%。低摩(mo)擦運(yun)(yun)動(dong)用(yong)O型圈，為了減少摩(mo)擦阻力，一(yi)般(ban)均選取(qu)較小的(de)壓(ya)縮(suo)(suo)(suo)率(lv)，即W=5%-8%，此外(wai)，還要(yao)考慮(lv)到介質(zhi)和溫度引(yin)起(qi)的(de)橡膠材(cai)料(liao)膨脹(zhang)。通(tong)常在(zai)(zai)給定(ding)的(de)壓(ya)縮(suo)(suo)(suo)變(bian)形之外(wai)，允許(xu)的(de)比較大(da)膨脹(zhang)率(lv)為15%，超過這(zhe)一(yi)范圍(wei)說明材(cai)料(liao)選用(yong)不合(he)適，應改用(yong)其(qi)他材(cai)料(liao)的(de)O形圈，或(huo)對給定(ding)的(de)壓(ya)縮(suo)(suo)(suo)變(bian)形率(lv)予以修正。

幾種常見(jian)的(de)密封(feng)墊片橡(xiang)膠材料：(一(yi))丁(ding)(ding)腈(jing)橡(xiang)膠NBR為丁(ding)(ding)二(er)(er)烯和丙(bing)烯腈(jing)的(de)聚合物，具(ju)有優良的(de)物理(li)性(xing)(xing)(xing)能，在液壓和和氣動(dong)設備(bei)上普(pu)遍使用(yong)，在下列介質中(zhong)的(de)耐(nai)(nai)溶漲(zhang)性(xing)(xing)(xing)好：脂肪族(zu)烴(jing)，如(ru)丙(bing)烷、丁(ding)(ding)烷石油、礦物油、動(dong)植物油、光熱油，在芳烴(jing)高(gao)的(de)燃(ran)油中(zhong)耐(nai)(nai)溶漲(zhang)性(xing)(xing)(xing)中(zhong)等。使用(yong)溫(wen)度(du)范(fan)圍-30℃~ll0℃，短(duan)期內130℃。(二(er)(er))氫化(hua)丁(ding)(ding)腈(jing)橡(xiang)膠HNBR它是通過丁(ding)(ding)腈(jing)橡(xiang)膠NBR丁(ding)(ding)二(er)(er)烯中(zhong)部(bu)分雙鏈經氫化(hua)后(hou)得到(dao)的(de)。過氧化(hua)物通過此雙鍵的(de)交聯使熱穩(wen)定(ding)性(xing)(xing)(xing)和氧穩(wen)定(ding)性(xing)(xing)(xing)比一(yi)般(ban)丁(ding)(ding)腈(jing)橡(xiang)膠提高(gao)，機械強(qiang)度(du)和耐(nai)(nai)磨(mo)性(xing)(xing)(xing)能好，耐(nai)(nai)油性(xing)(xing)(xing)與丁(ding)(ding)腈(jing)橡(xiang)膠相近，使用(yong)溫(wen)度(du)-30℃~150℃，主要用(yong)于制(zhi)冷劑R134A的(de)密封(feng)件以及和發(fa)動(dong)機、油田鉆采(cai)的(de)密封(feng)件。徐(xu)州(zhou)聚氨酯O型(xing)圈批發(fa)，請聯系無錫(xi)鼎正新材。

O型(xing)密(mi)(mi)(mi)封圈(quan)(quan)適用(yong)(yong)(yong)于(yu)(yu)(yu)裝(zhuang)(zhuang)在(zai)各種(zhong)機(ji)(ji)械(xie)(xie)設備上(shang)，在(zai)規定的(de)溫度(du)、壓力、以(yi)及不同的(de)液體和氣體介質中(zhong)，于(yu)(yu)(yu)靜(jing)止或(huo)運動狀(zhuang)態下起(qi)密(mi)(mi)(mi)封作(zuo)用(yong)(yong)(yong)。在(zai)機(ji)(ji)床、船舶、汽車、航空航天設備、冶金(jin)機(ji)(ji)械(xie)(xie)、化工機(ji)(ji)械(xie)(xie)、工程機(ji)(ji)械(xie)(xie)、建筑機(ji)(ji)械(xie)(xie)、礦山機(ji)(ji)械(xie)(xie)、石油(you)(you)機(ji)(ji)械(xie)(xie)、塑(su)料(liao)機(ji)(ji)械(xie)(xie)、農業機(ji)(ji)械(xie)(xie)、以(yi)及各類(lei)儀器(qi)儀表上(shang)，大量應用(yong)(yong)(yong)著各種(zhong)類(lei)型(xing)的(de)密(mi)(mi)(mi)封元件。O型(xing)密(mi)(mi)(mi)封圈(quan)(quan)主要用(yong)(yong)(yong)于(yu)(yu)(yu)靜(jing)密(mi)(mi)(mi)封和往復(fu)運動密(mi)(mi)(mi)封。用(yong)(yong)(yong)于(yu)(yu)(yu)旋(xuan)轉(zhuan)運動密(mi)(mi)(mi)封時，于(yu)(yu)(yu)低速(su)回轉(zhuan)密(mi)(mi)(mi)封裝(zhuang)(zhuang)置。O型(xing)密(mi)(mi)(mi)封圈(quan)(quan)一(yi)般(ban)安裝(zhuang)(zhuang)在(zai)外圓或(huo)內圓上(shang)截面為矩形的(de)溝槽(cao)內起(qi)密(mi)(mi)(mi)封作(zuo)用(yong)(yong)(yong)。O型(xing)密(mi)(mi)(mi)封圈(quan)(quan)在(zai)耐(nai)油(you)(you)、酸堿、磨、化學侵蝕等環境(jing)依然起(qi)到(dao)良(liang)好密(mi)(mi)(mi)封、減震作(zuo)用(yong)(yong)(yong)。因此，O型(xing)密(mi)(mi)(mi)封圈(quan)(quan)是液壓與氣壓傳動系(xi)統(tong)中(zhong)使(shi)用(yong)(yong)(yong)較(jiao)多的(de)一(yi)種(zhong)密(mi)(mi)(mi)封件。湖州聚氨酯(zhi)O型(xing)圈(quan)(quan)批發(fa)，請聯系(xi)無(wu)錫鼎正新材。汕尾蝶閥O型(xing)圈(quan)(quan)型(xing)號(hao)

江西聚氨酯(zhi)O型圈批發，請聯系無錫鼎正新材。廈門(men)丁氰橡膠(jiao)O型圈材質

O型(xing)圈(quan)(quan)(quan)(quan)在多種液(ye)壓(ya)、氣(qi)動件管接頭(tou)、圓筒面(mian)及法蘭(lan)面(mian)等(deng)結合(he)處被普(pu)遍使(shi)用(yong)(yong)。對(dui)于在運(yun)動過程中使(shi)用(yong)(yong)的(de)O型(xing)圈(quan)(quan)(quan)(quan)，當(dang)工(gong)作(zuo)(zuo)壓(ya)力(li)(li)大(da)(da)于9.8Mpa時，如(ru)單向受壓(ya)，就在O型(xing)圈(quan)(quan)(quan)(quan)受壓(ya)力(li)(li)方(fang)向的(de)另一(yi)側(ce)設置(zhi)一(yi)個擋(dang)(dang)圈(quan)(quan)(quan)(quan)；如(ru)雙向受壓(ya)，則在O型(xing)圈(quan)(quan)(quan)(quan)兩側(ce)各放一(yi)個擋(dang)(dang)圈(quan)(quan)(quan)(quan)。為了減小(xiao)摩(mo)(mo)擦(ca)力(li)(li)，也(ye)可采(cai)用(yong)(yong)楔(xie)型(xing)擋(dang)(dang)圈(quan)(quan)(quan)(quan)。當(dang)壓(ya)力(li)(li)液(ye)體從左方(fang)施加(jia)作(zuo)(zuo)用(yong)(yong)時，右(you)方(fang)擋(dang)(dang)圈(quan)(quan)(quan)(quan)被推起，左方(fang)擋(dang)(dang)圈(quan)(quan)(quan)(quan)不與被密(mi)封表(biao)面(mian)接觸，因(yin)此摩(mo)(mo)擦(ca)力(li)(li)減小(xiao)。總的(de)來說，采(cai)用(yong)(yong)擋(dang)(dang)圈(quan)(quan)(quan)(quan)會增(zeng)大(da)(da)密(mi)封裝置(zhi)的(de)摩(mo)(mo)擦(ca)力(li)(li)，而楔(xie)型(xing)擋(dang)(dang)圈(quan)(quan)(quan)(quan)對(dui)減小(xiao)這種摩(mo)(mo)擦(ca)力(li)(li)具有十分重(zhong)要(yao)的(de)意義。對(dui)于固定(ding)用(yong)(yong)的(de)O型(xing)圈(quan)(quan)(quan)(quan)，當(dang)工(gong)作(zuo)(zuo)壓(ya)力(li)(li)大(da)(da)于32Mpa時，也(ye)需要(yao)使(shi)用(yong)(yong)擋(dang)(dang)圈(quan)(quan)(quan)(quan)。廈(sha)門(men)丁氰橡(xiang)膠(jiao)O型(xing)圈(quan)(quan)(quan)(quan)材質

無錫(xi)鼎正新(xin)材料(liao)科技有限公(gong)(gong)司致(zhi)力(li)于五金(jin)、工具，是一家貿易型的公(gong)(gong)司。公(gong)(gong)司業務(wu)分為(wei)車削密封件，O型圈(quan)材料(liao)，彈性墊圈(quan)，密封件等(deng)，目前不斷進(jin)行創新(xin)和(he)服(fu)務(wu)改進(jin)，為(wei)客(ke)戶提供良好的產品和(he)服(fu)務(wu)。公(gong)(gong)司從事五金(jin)、工具多年，有著創新(xin)的設(she)計、強(qiang)大(da)的技術(shu)(shu)，還(huan)有一批(pi)專(zhuan)業化的隊伍，確保為(wei)客(ke)戶提供良好的產品及服(fu)務(wu)。無錫(xi)鼎正新(xin)材料(liao)秉承“客(ke)戶為(wei)尊、服(fu)務(wu)為(wei)榮、創意(yi)為(wei)先、技術(shu)(shu)為(wei)實”的經營理念(nian)，全力(li)打造公(gong)(gong)司的重點競(jing)爭力(li)。

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