佛山恒耀密封(圖)-低溫泛塞封哪家好-低溫泛塞封：

了解三元(yuan)乙丙橡(xiang)膠密封圈的性能特征來源：慈溪市海(hai)升橡(xiang)膠制品有(you)限公司 

51EPDM三(san)元乙丙是橡膠(jiao)密封(feng)圈中常(chang)見(jian)的一種材質，其具(ju)有(you)很好(hao)的耐(nai)候性、耐(nai)臭氧性、耐(nai)水性及(ji)耐(nai)化學性。

  EPDM三(san)元乙丙橡膠密(mi)封圈可用(yong)于醇(chun)類及(ji)酮類，還可用(yong)于高溫水(shui)蒸氣環境(jing)之密(mi)封，適用(yong)于衛浴設備、汽車(che)(che)散熱器及(ji)汽車(che)(che)剎車(che)(che)系統中。

  EPDM三(san)元乙丙橡膠密封圈的一個主要特點是可耐氟里昂及多(duo)種制冷(leng)劑，因此廣泛用于冰箱及各種制冷(leng)機械(xie)中，低溫泛塞(sai)封加工，那么它(ta)的使用溫度范圍是多(duo)少呢？

  EPDM三元(yuan)乙丙橡(xiang)膠密(mi)封(feng)圈一般使用(yong)溫度范圍為-55~125℃，采用(yong)過氧硫(liu)化可高至150 ℃

  硬(ying)度范圍：邵氏A硬(ying)度40~90度。

  缺點：不(bu)耐脂(zhi)肪烴和(he)芳香烴、自粘性(xing)和(he)互粘性(xing)較差。

  一(yi)般密封(feng)圈(quan)廠家(jia)在使用(yong)EPDM三元(yuan)乙(yi)丙橡膠時一(yi)般都不是(shi)直接使使用(yong)原(yuan)(yuan)材料(liao)的(de)(de)(de)，而是(shi)根據(ju)客戶的(de)(de)(de)工況(kuang)，以EPDM為(wei)主原(yuan)(yuan)料(liao)進行調配，從而使密封(feng)圈(quan)的(de)(de)(de)性能(neng)更適合客戶的(de)(de)(de)產品要求(qiu)。

低(di)(di)溫泛(fan)(fan)塞封超高溫超低(di)(di)溫特種(zhong)閥門用密封件密封圈—泛(fan)(fan)塞封

低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)泛塞(sai)封(feng)(feng)適用(yong)(yong)于適用(yong)(yong)于介(jie)(jie)質(zhi)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)-40℃～-196℃的(de)(de)閥(fa)(fa)(fa)門(men)稱之(zhi)為低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)門(men)低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)門(men)包(bao)括低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)球閥(fa)(fa)(fa)、低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)閘閥(fa)(fa)(fa)、低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)截止(zhi)閥(fa)(fa)(fa)、低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)安(an)全(quan)閥(fa)(fa)(fa)、低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)止(zhi)回閥(fa)(fa)(fa)，低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)泛塞(sai)封(feng)(feng)供應，低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)蝶閥(fa)(fa)(fa)，低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)針閥(fa)(fa)(fa)，低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)節流閥(fa)(fa)(fa)，低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)減壓(ya)閥(fa)(fa)(fa)等(deng)，低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)泛塞(sai)封(feng)(feng)，主要用(yong)(yong)于乙(yi)烯(xi)(xi)，液(ye)(ye)化裝(zhuang)置(zhi)，LPG LNG儲罐(guan)，接受基地及(ji)站(zhan)，空(kong)分設(she)備，石油化工(gong)尾氣(qi)分離設(she)備，液(ye)(ye)氧(yang)、液(ye)(ye)氮、液(ye)(ye)、二氧(yang)化碳低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)貯(zhu)槽及(ji)槽車(che)、變壓(ya)吸附制氧(yang)等(deng)裝(zhuang)置(zhi)上。輸出的(de)(de)液(ye)(ye)態低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)介(jie)(jie)質(zhi)如乙(yi)烯(xi)(xi)、液(ye)(ye)氧(yang)、液(ye)(ye)氫、液(ye)(ye)化、液(ye)(ye)化石油產(chan)品(pin)等(deng)，不但，而且在升溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)時要氣(qi)化，氣(qi)化時，體(ti)(ti)積(ji)膨(peng)脹數百倍。液(ye)(ye)化閥(fa)(fa)(fa)門(men)的(de)(de)材(cai)料(liao)非(fei)常(chang)重要，低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)泛塞(sai)封(feng)(feng)工(gong)廠(chang)，材(cai)質(zhi)不合(he)格(ge)，會造(zao)(zao)成(cheng)(cheng)(cheng)殼體(ti)(ti)及(ji)密(mi)封(feng)(feng)面的(de)(de)外漏或內漏；零部件的(de)(de)綜(zong)合(he)機械性能、強(qiang)度(du)和鋼度(du)滿足不了使用(yong)(yong)要求甚至斷裂。導(dao)致液(ye)(ye)化介(jie)(jie)質(zhi)泄(xie)漏引起。因此(ci)，在開(kai)發、設(she)計、研制液(ye)(ye)化閥(fa)(fa)(fa)門(men)的(de)(de)過程中，材(cai)質(zhi)是首要關(guan)鍵的(de)(de)問題(ti)。經過多年制造(zao)(zao)，已積(ji)累(lei)了豐富的(de)(de)經驗，從設(she)計、工(gong)藝到(dao)制造(zao)(zao)日(ri)趨成(cheng)(cheng)(cheng)熟，并已開(kai)發形成(cheng)(cheng)(cheng)了低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)門(men)的(de)(de)系(xi)列產(chan)品(pin)。　　一、低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)門(men)產(chan)品(pin)規格(ge)和設(she)計參(can)數：1．壓(ya)力等(deng)級(ji)：150、300、600Lb、900LB、1500LB（45MPa）2．閥(fa)(fa)(fa)門(men)通徑：15～1200 mm（1/2～48'）。3．連結(jie)形式(shi)：法(fa)蘭(lan)式(shi)、焊接式(shi)、螺(luo)紋。4．閥(fa)(fa)(fa)門(men)材(cai)料(liao)：LCB、LC3、CF8。5．工(gong)作溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)度(du)：-46℃、-101℃、-196℃、-253℃6．適用(yong)(yong)介(jie)(jie)質(zhi)：液(ye)(ye)化、乙(yi)烯(xi)(xi)、等(deng)。7．低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)(wen)(wen)泛塞(sai)封(feng)(feng)驅動方式(shi)：手動、傘齒輪(lun)傳動、電(dian)動。

低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)泛(fan)(fan)塞封(feng)(feng)低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)門(men)試(shi)驗(yan)設備：1.低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)試(shi)驗(yan)裝(zhuang)置(zhi)2.液(ye)氮儲(chu)存裝(zhuang)置(zhi)3.低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)處理槽(cao)4.低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)試(shi)驗(yan)臺，以(yi)(yi)保證(zheng)(zheng)閥(fa)(fa)(fa)門(men)在低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)工況(kuang)(kuang)條件下的性能5.其它　　六、低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)門(men)試(shi)驗(yan)和檢驗(yan)：對低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)的主(zhu)要(yao)零部(bu)件作低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)處理并每批(pi)抽(chou)(chou)樣(yang)作低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)沖擊(ji)(ji)試(shi)驗(yan)，以(yi)(yi)保證(zheng)(zheng)閥(fa)(fa)(fa)門(men)在低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)工況(kuang)(kuang)時不(bu)脆(cui)裂，經得起(qi)低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)介質沖擊(ji)(ji)。低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)泛(fan)(fan)塞封(feng)(feng)對每臺閥(fa)(fa)(fa)門(men)進行以(yi)(yi)下試(shi)驗(yan)：1.常溫(wen)(wen)(wen)(wen)(wen)殼體強度試(shi)驗(yan)；2.常溫(wen)(wen)(wen)(wen)(wen)低(di)(di)(di)(di)(di)(di)壓(ya)上(shang)密(mi)封(feng)(feng)試(shi)驗(yan)；3.常溫(wen)(wen)(wen)(wen)(wen)低(di)(di)(di)(di)(di)(di)壓(ya)密(mi)封(feng)(feng)試(shi)驗(yan)；4.低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)上(shang)密(mi)封(feng)(feng)氣密(mi)試(shi)驗(yan)（有(you)上(shang)密(mi)封(feng)(feng)時）；5.低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)泛(fan)(fan)塞封(feng)(feng)低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)氣密(mi)封(feng)(feng)試(shi)驗(yan)等，以(yi)(yi)確(que)保整臺低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)門(men)符合(he)標準的規(gui)定；6.對低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)閥(fa)(fa)(fa)的主(zhu)要(yao)零部(bu)件作低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)處理并每批(pi)抽(chou)(chou)樣(yang)作低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)沖擊(ji)(ji)試(shi)驗(yan)，以(yi)(yi)保證(zheng)(zheng)閥(fa)(fa)(fa)門(men)在低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)工況(kuang)(kuang)時不(bu)脆(cui)裂，經得起(qi)低(di)(di)(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)(wen)介質沖擊(ji)(ji)；

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