人妻夜夜爽天天爽三区麻豆AV网_成人十八禁网站在线观看免费_大陆极品少妇内射AAAAA_亚洲码与欧洲码一二三四区别

全國(guo)服(fu)務咨詢熱線:

13636367477

當前位置:首頁  >  技術(shu)文章

氣動蝶閥可以分為哪些大類呢

氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)是(shi)由氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)執行器(qi)和(he)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)組成(cheng)。氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)是(shi)用隨閥(fa)(fa)(fa)桿轉動(dong)(dong)(dong)(dong)(dong)的(de)(de)圓形蝶(die)(die)(die)(die)板做(zuo)啟閉性,以實現啟用動(dong)(dong)(dong)(dong)(dong)作的(de)(de)氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門,主(zhu)要(yao)做(zuo)截斷閥(fa)(fa)(fa)使用,亦可設計(ji)成(cheng)具有調節(jie)或斷閥(fa)(fa)(fa)兼調節(jie)的(de)(de)功能(neng),蝶(die)(die)(die)(die)閥(fa)(fa)(fa)在(zai)低(di)壓大中(zhong)口(kou)徑管道(dao)上(shang)的(de)(de)使用越來(lai)越多。氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)分(fen)類(lei):不銹鋼(gang)氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa),硬密封氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa),軟密封氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa),碳(tan)鋼(gang)氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)。氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)的(de)(de)主(zhu)要(yao)優點,結構簡單(dan),體積小重量輕,造價低(di),氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)該特點尤其顯著,安裝在(zai)高(gao)空暗道(dao),經過二位五(wu)通電(dian)磁閥(fa)(fa)(fa)控制操作方便,也可調節(jie)流量介質。氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)的(de)(de)分(fen)類(lei)氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)法(fa)蘭蝶(die)(die)(die)(die)閥(fa)(fa)(fa),氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)法(fa)蘭式蝶(die)(die)(die)(die)閥(fa)(fa)(fa)該產品由橡(xiang)膠密封蝶(die)(die)(die)(die)閥(fa)(fa)(fa)和(he)...

  • 2023

    10-13

    電(dian)動(dong)(dong)(dong)(dong)閥(fa)簡單(dan)地說就是(shi)用電(dian)動(dong)(dong)(dong)(dong)執行器(qi)控(kong)(kong)制閥(fa)門(men)(men),從(cong)而(er)(er)實(shi)現(xian)閥(fa)門(men)(men)的(de)開(kai)和關。其(qi)可(ke)分(fen)為上(shang)下兩部(bu)分(fen),上(shang)半部(bu)分(fen)為電(dian)動(dong)(dong)(dong)(dong)執行器(qi),下半部(bu)分(fen)為閥(fa)門(men)(men)。動(dong)(dong)(dong)(dong)作力距比(bi)電(dian)動(dong)(dong)(dong)(dong)閥(fa)門(men)(men)大,電(dian)動(dong)(dong)(dong)(dong)閘(zha)閥(fa)開(kai)關動(dong)(dong)(dong)(dong)作速度可(ke)以調(diao)整(zheng),結(jie)構簡單(dan),易維護,動(dong)(dong)(dong)(dong)作過程(cheng)中因(yin)氣(qi)體本身(shen)的(de)緩沖特性,不(bu)易因(yin)卡住而(er)(er)損壞,但必須有氣(qi)源,且其(qi)控(kong)(kong)制系(xi)統(tong)也比(bi)電(dian)動(dong)(dong)(dong)(dong)閥(fa)門(men)(men)復(fu)雜。電(dian)動(dong)(dong)(dong)(dong)閘(zha)閥(fa)響應靈敏(min),安全可(ke)靠,很多對控(kong)(kong)制要求高的(de)廠專為氣(qi)動(dong)(dong)(dong)(dong)儀表(biao)控(kong)(kong)制元(yuan)件設置壓縮空氣(qi)站。電(dian)動(dong)(dong)(dong)(dong)的(de)就是(shi)要電(dian),并能控(kong)(kong)制其(qi)流量的(de)裝(zhuang)置。閘(zha)閥(fa)一般由(you)閥(fa)桿、閥(fa)體、閥(fa)蓋、閘(zha)板、驅動(dong)(dong)(dong)(dong)裝(zhuang)置及(ji)其(qi)他(ta)零件(緊固件、閥(fa)桿螺母、密...

  • 2023

    9-27

    電(dian)(dian)動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)簡單地說(shuo)就(jiu)是用(yong)電(dian)(dian)動(dong)(dong)(dong)(dong)執(zhi)(zhi)行(xing)器(qi)。控制閥(fa)(fa)(fa)門(men)(men)(men),從(cong)而實現閥(fa)(fa)(fa)門(men)(men)(men)的(de)開(kai)和(he)(he)關(guan)。其可分(fen)為上下(xia)兩部(bu)(bu)分(fen),上半(ban)部(bu)(bu)分(fen)為電(dian)(dian)動(dong)(dong)(dong)(dong)執(zhi)(zhi)行(xing)器(qi),下(xia)半(ban)部(bu)(bu)分(fen)為閥(fa)(fa)(fa)門(men)(men)(men)。電(dian)(dian)動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)(men)在(zai)安裝前(qian)宜進行(xing)模擬動(dong)(dong)(dong)(dong)作(zuo)和(he)(he)壓力試驗。優點:對液體(ti)(ti)介質(zhi)和(he)(he)大管徑氣體(ti)(ti)效(xiao)果好,不受氣候(hou)影響(xiang)。不受空壓氣的(de)壓力影響(xiang)。電(dian)(dian)動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)通常由電(dian)(dian)動(dong)(dong)(dong)(dong)執(zhi)(zhi)行(xing)機(ji)構和(he)(he)閥(fa)(fa)(fa)門(men)(men)(men)組(zu)成。電(dian)(dian)動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)使(shi)用(yong)電(dian)(dian)能作(zuo)為動(dong)(dong)(dong)(dong)力來通過電(dian)(dian)動(dong)(dong)(dong)(dong)執(zhi)(zhi)行(xing)機(ji)構來驅動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)(men),實現閥(fa)(fa)(fa)門(men)(men)(men)的(de)開(kai)關(guan)動(dong)(dong)(dong)(dong)作(zuo)。從(cong)而達(da)到對管道介質(zhi)的(de)開(kai)關(guan)目的(de)。電(dian)(dian)磁閥(fa)(fa)(fa)是電(dian)(dian)動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)的(de)一(yi)個種(zhong)類;是利用(yong)電(dian)(dian)磁線(xian)圈產(chan)生的(de)磁場來拉動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)芯(xin),從(cong)而改(gai)變閥(fa)(fa)(fa)體(ti)(ti)的(de)通斷,線(xian)圈斷電(dian)(dian),閥(fa)(fa)(fa)芯(xin)就(jiu)依(yi)靠(kao)彈簧...

  • 2023

    9-13

    調(diao)(diao)(diao)節(jie)(jie)閥(fa)主(zhu)要由(you)(you)閥(fa)體、套筒(tong)、閥(fa)瓣(ban)、閥(fa)桿等(deng)零(ling)件組成。套筒(tong)和閥(fa)瓣(ban)上都開有節(jie)(jie)流(liu)孔通過閥(fa)瓣(ban)在閥(fa)座內回轉來改(gai)變過流(liu)面積(ji),調(diao)(diao)(diao)節(jie)(jie)流(liu)量。配ZKJ型(xing)或其它型(xing)電動(dong)角行(xing)程執行(xing)器可實現遙(yao)控(kong)和自動(dong)控(kong)制。調(diao)(diao)(diao)節(jie)(jie)閥(fa)廣泛應用于(yu)(yu)給(gei)水管(guan)(guan)路中作調(diao)(diao)(diao)節(jie)(jie)流(liu)量使用。也可在油(you)品管(guan)(guan)路中使用。特點1、由(you)(you)于(yu)(yu)不(bu)需要進行(xing)系統調(diao)(diao)(diao)試,所(suo)(suo)以省去許多麻煩,節(jie)(jie)約(yue)了(le)大量的時(shi)間,縮短竣(jun)工日期;2、由(you)(you)于(yu)(yu)不(bu)用使用閥(fa)門組和用于(yu)(yu)分(fen)層控(kong)制的閥(fa)門,所(suo)(suo)以為您(nin)節(jie)(jie)約(yue)了(le)較(jiao)多的管(guan)(guan)材(cai),保溫材(cai)料及安(an)裝(zhuang)費用和時(shi)間;3、使水系統時(shi)時(shi)刻(ke)刻(ke)都處于(yu)(yu)平(ping)衡(heng)狀態,所(suo)(suo)以無論安(an)裝(zhuang)分(fen)期施工或設備分(fen)期...

  • 2023

    8-21

    偏(pian)(pian)(pian)心(xin)半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)是(shi)(shi)一(yi)種常用的(de)(de)(de)(de)控(kong)(kong)制閥(fa)(fa)(fa)門,其主(zhu)要(yao)作(zuo)用是(shi)(shi)控(kong)(kong)制流(liu)(liu)(liu)體(ti)(ti)(ti)的(de)(de)(de)(de)流(liu)(liu)(liu)量和(he)壓(ya)力。它(ta)的(de)(de)(de)(de)工(gong)作(zuo)原理(li)(li)(li)是(shi)(shi)通(tong)(tong)過(guo)(guo)旋轉半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)芯(xin)(xin)來(lai)控(kong)(kong)制流(liu)(liu)(liu)體(ti)(ti)(ti)的(de)(de)(de)(de)流(liu)(liu)(liu)量和(he)壓(ya)力,從而實現流(liu)(liu)(liu)體(ti)(ti)(ti)的(de)(de)(de)(de)控(kong)(kong)制和(he)調節(jie)。一(yi)、工(gong)作(zuo)原理(li)(li)(li)偏(pian)(pian)(pian)心(xin)半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)的(de)(de)(de)(de)工(gong)作(zuo)原理(li)(li)(li)是(shi)(shi)通(tong)(tong)過(guo)(guo)旋轉半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)芯(xin)(xin)來(lai)控(kong)(kong)制流(liu)(liu)(liu)體(ti)(ti)(ti)的(de)(de)(de)(de)流(liu)(liu)(liu)量和(he)壓(ya)力。當半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)芯(xin)(xin)旋轉時,流(liu)(liu)(liu)體(ti)(ti)(ti)會從閥(fa)(fa)(fa)門的(de)(de)(de)(de)進口(kou)(kou)流(liu)(liu)(liu)入半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)芯(xin)(xin)的(de)(de)(de)(de)內部,然后通(tong)(tong)過(guo)(guo)半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)芯(xin)(xin)的(de)(de)(de)(de)出口(kou)(kou)流(liu)(liu)(liu)出。半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)芯(xin)(xin)的(de)(de)(de)(de)旋轉角度決定了流(liu)(liu)(liu)體(ti)(ti)(ti)的(de)(de)(de)(de)流(liu)(liu)(liu)量和(he)壓(ya)力,因此可以通(tong)(tong)過(guo)(guo)控(kong)(kong)制半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)芯(xin)(xin)的(de)(de)(de)(de)旋轉角度來(lai)實現流(liu)(liu)(liu)體(ti)(ti)(ti)的(de)(de)(de)(de)控(kong)(kong)制和(he)調節(jie)。二(er)、結構特(te)點偏(pian)(pian)(pian)心(xin)半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)的(de)(de)(de)(de)結構特(te)點主(zhu)要(yao)包括以下幾個(ge)方面:1、閥(fa)(fa)(fa)體(ti)(ti)(ti):偏(pian)(pian)(pian)心(xin)半(ban)(ban)(ban)球(qiu)(qiu)閥(fa)(fa)(fa)的(de)(de)(de)(de)...

  • 2023

    8-15

    電(dian)(dian)動(dong)鑄鋼閘閥(fa)(fa)Z941H-25C-DN200硬(ying)密封(feng)電(dian)(dian)動(dong)閘閥(fa)(fa)介(jie)紹(shao):電(dian)(dian)動(dong)鑄鋼閘閥(fa)(fa)Z941H-25C-DN200硬(ying)密封(feng)電(dian)(dian)動(dong)閘閥(fa)(fa)的(de)(de)閃蒸和(he)空(kong)化只產(chan)(chan)生在(zai)液體(ti)介(jie)質。空(kong)化作(zuo)用(yong)的(de)(de)第(di)1階(jie)段是閃蒸。閥(fa)(fa)門(men)的(de)(de)出口壓力(li)保持在(zai)液體(ti)的(de)(de)飽(bao)和(he)蒸汽壓之(zhi)下,但對閥(fa)(fa)門(men)內(nei)件已經產(chan)(chan)生了侵(qin)蝕(shi)作(zuo)用(yong)。由于在(zai)閥(fa)(fa)芯(xin)和(he)閥(fa)(fa)座密封(feng)面(mian)的(de)(de)接觸線附近,介(jie)質的(de)(de)流速*,因此(ci)破(po)壞就發生在(zai)這(zhe)里(li)。閃蒸破(po)壞后的(de)(de)閥(fa)(fa)芯(xin)外表面(mian)有(you)一道道磨痕。在(zai)空(kong)化的(de)(de)第(di)2階(jie)段,閥(fa)(fa)后壓力(li)升高到飽(bao)和(he)蒸汽壓以上,由于氣泡的(de)(de)突然破(po)裂,所(suo)有(you)的(de)(de)能量(liang)集中在(zai)破(po)裂點,產(chan)(chan)生的(de)(de)沖擊力(li),可高達幾千牛頓,因...

  • 2023

    8-10

    一、礦用(yong)(yong)(yong)(yong)煤安隔(ge)爆型電(dian)(dian)動法蘭(lan)蝶閥(fa)MD943H-16CDN300煤礦用(yong)(yong)(yong)(yong)隔(ge)爆電(dian)(dian)動蝶閥(fa)產(chan)品(pin)簡介(jie):礦用(yong)(yong)(yong)(yong)煤安隔(ge)爆型電(dian)(dian)動蝶閥(fa)防爆等級BT4,質量穩定,防爆性(xing)能好,可用(yong)(yong)(yong)(yong)于(yu)防爆場合,煤礦地面及(ji)非(fei)采掘(jue)工作面,專業級MA煤安產(chan)品(pin)。該(gai)產(chan)品(pin)廣(guang)泛用(yong)(yong)(yong)(yong)于(yu)易(yi)燃易(yi)爆等場所(suo),如(ru)沼氣(qi)、煤氣(qi)、煤礦等等。產(chan)品(pin)名稱:礦用(yong)(yong)(yong)(yong)煤安隔(ge)爆型電(dian)(dian)動法蘭(lan)蝶閥(fa)公稱壓力:0-1.6Mpa殼體(ti)材質:鑄鐵、碳(tan)鋼、不(bu)銹鋼產(chan)品(pin)規格:DN50-1200工作介(jie)質:易(yi)燃性(xing)氣(qi)體(ti)環境產(chan)品(pin)用(yong)(yong)(yong)(yong)途:煤礦、石(shi)油(you)、天然氣(qi)、沼氣(qi)、煤氣(qi)、可燃氣(qi)體(ti)等等本產(chan)品(pin)可適用(yong)(yong)(yong)(yong)于(yu)不(bu)同控制...

  • 2023

    8-11

    電動(dong)(dong)(dong)截(jie)止(zhi)閥是一種常(chang)(chang)用(yong)(yong)(yong)的工業(ye)管道閥門,主要(yao)用(yong)(yong)(yong)于(yu)截(jie)斷或(huo)調節流體(ti)。與傳統(tong)的手(shou)動(dong)(dong)(dong)截(jie)止(zhi)閥相比,該(gai)產(chan)(chan)品具有操作方便、快(kuai)速響應、穩定(ding)可(ke)靠(kao)等優點(dian),被(bei)廣(guang)泛應用(yong)(yong)(yong)于(yu)石(shi)油、化工、冶金、電力等行(xing)業(ye)的管道系統(tong)中。該(gai)產(chan)(chan)品主要(yao)由電動(dong)(dong)(dong)執行(xing)器和閥門本體(ti)兩部分組(zu)成。電動(dong)(dong)(dong)執行(xing)器通過電機驅動(dong)(dong)(dong)齒輪(lun)傳動(dong)(dong)(dong)或(huo)蝸(gua)輪(lun)蝸(gua)桿傳動(dong)(dong)(dong)帶動(dong)(dong)(dong)閥門開關(guan),而閥門本體(ti)則負責截(jie)斷或(huo)調節流體(ti)。該(gai)產(chan)(chan)品通常(chang)(chang)采用(yong)(yong)(yong)鑄鋼(gang)、不(bu)銹鋼(gang)、銅合(he)金等材料制(zhi)成,具有耐腐蝕、耐高溫、密封性(xing)好等特點(dian)。電動(dong)(dong)(dong)截(jie)止(zhi)閥的主要(yao)作用(yong)(yong)(yong)是控制(zhi)管道中的流體(ti)流量和壓(ya)力,保持管道系統(tong)的正常(chang)(chang)運行(xing)。在石(shi)油...

  • 2023

    7-31

    電動閘閥(fa)特點1、結構(gou)緊湊、設(she)計合理、閥(fa)門剛(gang)性(xing)(xing)好,通道流暢,流阻系數(shu)小(xiao)。2、密封面采用(yong)(yong)不(bu)(bu)銹鋼和硬質合金(jin),使用(yong)(yong)壽命(ming)長。3、采用(yong)(yong)柔性(xing)(xing)石墨填料板(ban)、密封可靠、操作輕便靈活。4、驅(qu)(qu)動方式(shi)分手動、電動、氣動、齒輪傳動、結構(gou)形(xing)式(shi);彈(dan)性(xing)(xing)楔(xie)式(shi)單閥(fa)、剛(gang)性(xing)(xing)楔(xie)式(shi)單閥(fa)板(ban)和雙閘板(ban)型式(shi)。5、廣泛(fan)適用(yong)(yong)于石油、化工、火力發電廠等油品、水、蒸(zheng)汽管路上作接通或截斷管路中介質的啟閉裝(zhuang)置。6、閘閥(fa)開閉較省(sheng)力。7、閘閥(fa)介質流向不(bu)(bu)受限制,不(bu)(bu)擾(rao)流、不(bu)(bu)降低壓力閘閥(fa)一(yi)般由(you)閥(fa)桿(gan)、閥(fa)體、閥(fa)蓋、閘板(ban)、驅(qu)(qu)動裝(zhuang)置及其他(ta)零件(jian)(jian)(緊固件(jian)(jian)、閥(fa)桿(gan)螺...

  • 2023

    8-7

    隨著(zhu)科(ke)技(ji)的(de)(de)(de)(de)不(bu)斷發(fa)展,各(ge)行(xing)(xing)(xing)(xing)各(ge)業(ye)都(dou)在追(zhui)求更加高效、智能(neng)的(de)(de)(de)(de)生產(chan)(chan)方式。在工業(ye)領域中,電(dian)(dian)動(dong)執行(xing)(xing)(xing)(xing)器(qi)作為(wei)一種常見的(de)(de)(de)(de)控(kong)制設(she)備(bei),也在不(bu)斷地進(jin)(jin)行(xing)(xing)(xing)(xing)著(zhu)升級和(he)改進(jin)(jin)。其(qi)中,智能(neng)型(xing)電(dian)(dian)動(dong)執行(xing)(xing)(xing)(xing)器(qi)成(cheng)為(wei)了近年來(lai)的(de)(de)(de)(de)熱門產(chan)(chan)品,它不(bu)僅(jin)具有(you)傳統電(dian)(dian)動(dong)執行(xing)(xing)(xing)(xing)器(qi)的(de)(de)(de)(de)優(you)點,還融入了智能(neng)化的(de)(de)(de)(de)技(ji)術,為(wei)工業(ye)生產(chan)(chan)帶來(lai)了更多(duo)的(de)(de)(de)(de)便利和(he)效率(lv)。智能(neng)型(xing)電(dian)(dian)動(dong)執行(xing)(xing)(xing)(xing)器(qi)采用(yong)了先進(jin)(jin)的(de)(de)(de)(de)智能(neng)控(kong)制系統,可(ke)以(yi)實現(xian)遠程監控(kong)和(he)控(kong)制。用(yong)戶可(ke)以(yi)通過手機、電(dian)(dian)腦等設(she)備(bei),隨時隨地掌(zhang)握設(she)備(bei)的(de)(de)(de)(de)運行(xing)(xing)(xing)(xing)狀(zhuang)況,并進(jin)(jin)行(xing)(xing)(xing)(xing)精準的(de)(de)(de)(de)控(kong)制和(he)調整。同時,該產(chan)(chan)品還具有(you)自我診斷和(he)自我調整的(de)(de)(de)(de)功(gong)能(neng),當設(she)備(bei)出(chu)現(xian)故障時...

  • 2023

    7-18

    刀(dao)型(xing)(xing)閘閥(fa)(fa)關閉(bi)時(shi),密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面(mian)(mian)(mian)可以只依靠(kao)(kao)介(jie)質壓力(li)來密(mi)(mi)(mi)封(feng)(feng)(feng)(feng),即依靠(kao)(kao)介(jie)質壓力(li)將(jiang)閘板的(de)(de)(de)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面(mian)(mian)(mian)壓向另一側(ce)的(de)(de)(de)閥(fa)(fa)座來保證密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面(mian)(mian)(mian)的(de)(de)(de)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng),這就(jiu)是自密(mi)(mi)(mi)封(feng)(feng)(feng)(feng),大部分閘閥(fa)(fa)是采用強制密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)的(de)(de)(de),即閥(fa)(fa)門關閉(bi)時(shi),要(yao)依靠(kao)(kao)外力(li)強行將(jiang)閘板壓向閥(fa)(fa)座,以保證密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面(mian)(mian)(mian)的(de)(de)(de)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)性(xing)。本類閥(fa)(fa)門在管道中一般應垂直安裝。刀(dao)型(xing)(xing)閘閥(fa)(fa)驅(qu)(qu)動(dong)方式(shi):手動(dong),鏈輪,電動(dong),氣動(dong),液(ye)動(dong),傘齒(chi)輪,電控(kong)液(ye)動(dong)和氣液(ye)動(dong)等(deng)驅(qu)(qu)動(dong)方式(shi)。刀(dao)型(xing)(xing)閘閥(fa)(fa)外形:明桿(gan),暗桿(gan)兩種。刀(dao)型(xing)(xing)閘閥(fa)(fa)材質:鑄鐵(tie)、鑄鋼、碳(tan)鋼、不銹鋼、襯氟等(deng)。刀(dao)型(xing)(xing)閘閥(fa)(fa)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng):硬密(mi)(mi)(mi)封(feng)(feng)(feng)(feng),軟密(mi)(mi)(mi)封(feng)(feng)(feng)(feng),單面(mian)(mian)(mian)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng),雙面(mian)(mian)(mian)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)等(deng)多(duo)種材質密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)。特...

共 999 條記錄,當前 1 / 91 頁  首頁  上一頁  下一頁  末頁  跳轉到第頁 

全國統一服務電話

021-39910866

電子郵箱:hujsb@ddzf.net

公司地址:上(shang)海市嘉定(ding)區馬陸鎮(zhen)瀏(liu)翔公路1908號

業務咨詢微信