美國寶德BURKERT伺服輔助式比例閥

寶德6223型伺服輔助式比例閥 適用(yong)于液體(ti)流量(liang)的連續控制(zhi) 滯(zhi)(zhi)后小(xiao)，重(zhong)復性高 脈寬調制(zhi)（PWM）控制(zhi)信(xin)號 伺服輔助式(shi)緊(jin)(jin)閉閥(fa)(fa) 比例(li)閥(fa)(fa) 6223型(xing)(xing)伺服輔助式(shi)比例(li)閥(fa)(fa)可(ke)用(yong)以控制(zhi)較(jiao)大的流量(liang)。滯(zhi)(zhi)后小(xiao)、重(zhong)復性高和較(jiao)好的響應靈敏(min)度(du)確(que)保優質(zhi)的定位性能(neng)。該閥(fa)(fa)門(men)具有緊(jin)(jin)閉功能(neng)。 技術參數 內孔:DN 10,13 and 20 mm 閥(fa)(fa)體(ti)材(cai)質(zhi);黃銅，可(ke)按(an)需(xu)提供(gong)不銹鋼(gang) 密封(feng)材(cai)質(zhi):FPM,可(ke)按(an)需(xu)提供(gong)其它密封(feng) 介質(zhi):中性液體(ti) 介質(zhi)溫度(du);-10 to + 90 °C 連接口:G 3/8, G 1/2, G 3/4, G 1 所(suo)需(xu)控制(zhi)單(dan)元 1094型(xing)(xing)或(huo)(huo) 8623-2、8624-2、 8625-2型(xing)(xing) 接插(cha)(cha)式(shi)或(huo)(huo)DIN導軌安裝式(shi)控制(zhi)器接插(cha)(cha)式(shi)控制(zhi)器帶顯示器、設(she)定值和實際值輸入，直接插(cha)(cha)在比例(li)閥(fa)(fa)上(shang) 粘(zhan)度(du):Max. 21 mm2/s 電(dian)(dian)源(yuan):24 VDC 功耗 參見訂貨表負載周期(qi):100%連續工(gong)作 電(dian)(dian)氣連接:DIN 43650 A型(xing)(xing)插(cha)(cha)頭 防(fang)護(hu)連接:控制(zhi)器或(huo)(huo)電(dian)(dian)纜插(cha)(cha)座插(cha)(cha)好時(shi)IP 65 安裝:可(ke)根(gen)據需(xu)要安裝，但使執(zhi)行機構朝上(shang) 遲滯(zhi)(zhi):< 5% 重(zhong)復性:< 1% FS

寶德比例閥6023型：直動式電(dian)(dian)磁比例調節閥(fa),兩位兩通(tong) 與1094型接插(cha)式電(dian)(dian)子控制器(qi)配套使(shi)用。斷電(dian)(dian)時常閉(bi)。BURKERT寶(bao)德傳感(gan)器(qi)，BURKERT-6023型比例閥(fa)，BURKERT電(dian)(dian)磁閥(fa)，*，！

管(guan)道(dao)參數　2.1根(gen)據(ju)介質流向要求及(ji)管(guan)道(dao)連接方式選(xuan)(xuan)(xuan)擇閥門通(tong)(tong)口及(ji)型號(hao)。例如，用(yong)于一(yi)條(tiao)(tiao)(tiao)管(guan)道(dao)向兩條(tiao)(tiao)(tiao)管(guan)道(dao)切換的(de)(de)(de)，小(xiao)通(tong)(tong)徑的(de)(de)(de)選(xuan)(xuan)(xuan)CA5和Z3F，中等或(huo)(huo)(huo)大(da)通(tong)(tong)徑請(qing)選(xuan)(xuan)(xuan)ZDF—Z1/2。又如控制兩條(tiao)(tiao)(tiao)管(guan)道(dao)匯流的(de)(de)(de)，請(qing)選(xuan)(xuan)(xuan)ZDF—Z2/1等。 2.2根(gen)據(ju)流量和閥門Kv值(zhi)選(xuan)(xuan)(xuan)定公稱通(tong)(tong)徑，也可選(xuan)(xuan)(xuan)同管(guan)道(dao)內(nei)徑。請(qing)注意有(you)的(de)(de)(de)廠(chang)家(jia)未標(biao)有(you)Kv值(zhi)，往(wang)往(wang)閥孔尺寸小(xiao)于接口管(guan)徑，切不(bu)可貪(tan)圖價低而誤事。 2.3工(gong)作壓(ya)差 zui低工(gong)作壓(ya)差在(zai)0.04Mpa以上是可選(xuan)(xuan)(xuan)用(yong)間接先導式；zui低工(gong)作壓(ya)差接近(jin)或(huo)(huo)(huo)小(xiao)于零(ling)的(de)(de)(de)必須(xu)選(xuan)(xuan)(xuan)用(yong)直(zhi)動(dong)式或(huo)(huo)(huo)分步(bu)直(zhi)接式。 3.環(huan)境(jing)(jing)條(tiao)(tiao)(tiao)件　3.1環(huan)境(jing)(jing)的(de)(de)(de)zui高和zui低溫度(du)應(ying)(ying)(ying)選(xuan)(xuan)(xuan)在(zai)允(yun)許范圍之內(nei)，如有(you)超(chao)差需作特殊訂貨提(ti)(ti)出(chu)。 3.2環(huan)境(jing)(jing)中相對濕度(du)高及(ji)有(you)水滴雨淋等場(chang)合，應(ying)(ying)(ying)選(xuan)(xuan)(xuan)防水電磁閥 3.3環(huan)境(jing)(jing)中經常有(you)振動(dong)，顛(dian)簸和沖擊等場(chang)合應(ying)(ying)(ying)選(xuan)(xuan)(xuan)特殊品(pin)種，例如船用(yong)電磁閥。 3.4在(zai)有(you)腐蝕性或(huo)(huo)(huo)爆炸性環(huan)境(jing)(jing)中的(de)(de)(de)使用(yong)應(ying)(ying)(ying)優(you)先根(gen)據(ju)安全(quan)性要求選(xuan)(xuan)(xuan)用(yong)耐發蝕 3.5環(huan)境(jing)(jing)空(kong)間若受限制，請(qing)選(xuan)(xuan)(xuan)用(yong)多(duo)功能電磁閥，因其省去了旁路及(ji)三(san)只手動(dong)閥且便于在(zai)線維修。 4.電源條(tiao)(tiao)(tiao)件　4. 1根(gen)據(ju)供電電源種類(lei)，分別選(xuan)(xuan)(xuan)用(yong)交(jiao)(jiao)流和直(zhi)流電磁閥。一(yi)般來說(shuo)交(jiao)(jiao)流電源取用(yong)方便。 4.2電壓(ya)規格(ge)用(yong)盡量優(you)先選(xuan)(xuan)(xuan)用(yong)AC220V.DC24V。 4.3電源電壓(ya)波動(dong)通(tong)(tong)常交(jiao)(jiao)流選(xuan)(xuan)(xuan)用(yong)+%10%.-15%，直(zhi)流允(yun)許±%10左右(you)，如若超(chao)差，須(xu)采取穩(wen)壓(ya)措施或(huo)(huo)(huo)提(ti)(ti)出(chu)特殊訂貨要求。

6024型寶德直動閥比例閥

德國寶德直(zhi)動(dong)(dong)式低壓降比(bi)例閥(fa):按結構形式可分(fen)為(wei)偏置板(ban)式、垂直(zhi)板(ban)式、斜板(ban)式和杠桿式。按密(mi)封(feng)(feng)(feng)形式可分(fen)為(wei)較密(mi)封(feng)(feng)(feng)型(xing)和硬密(mi)封(feng)(feng)(feng)型(xing)兩種。軟密(mi)封(feng)(feng)(feng)型(xing)一(yi)般采(cai)用橡膠環密(mi)封(feng)(feng)(feng)，硬密(mi)封(feng)(feng)(feng)型(xing)通(tong)常采(cai)用金(jin)屬環密(mi)封(feng)(feng)(feng)。按連接型(xing)式可分(fen)為(wei)法蘭(lan)連接和對夾式連接；按傳(chuan)動(dong)(dong)方式可分(fen)為(wei)手動(dong)(dong)、齒輪傳(chuan)動(dong)(dong)、氣動(dong)(dong)、液動(dong)(dong)和電動(dong)(dong)幾種.

本(ben)公司專業代理德(de)(de)國寶德(de)(de)產品如下：

6013型電磁閥：直動式黃銅閥體，適合中性氣體和液體，例如：壓縮空氣、水、液壓油等。工藝真空。
6014型電磁閥：模塊化直動式電磁閥系列，黃銅閥體適用于中性氣體和液體，如壓縮空氣，天然氣體，水，液壓油等。工藝真空。
5281型電磁閥：伺服輔助是電磁閥系列：適用于中性氣體和液體及壓縮空氣，廣泛應用于過程控制系統，化學處理，水/污水處理和消毒處理中。
6213型電磁閥：伺服輔助電磁閥系列，所有閥可以零壓開始動作。適合中性液體，如：水、油和無添加劑的油脂類。
0406型電磁閥：伺服輔助電磁閥系列，zui少需要1bar的壓差，才*打開閥門，適用于中性介質如蒸汽、熱空氣等，廣泛應用于蒸壓器（蒸汽中），
蒸汽清潔系統，大型廚房及制塑過程中。
0255型電磁閥(fa)(fa)：直動式電磁閥(fa)(fa)系(xi)列適(shi)用(yong)于高(gao)溫中(zhong)性氣體和液體如：熱(re)水、水蒸(zheng)氣、變熱(re)空氣、熱(re)油等，具體應用(yong)如：加熱(re)，消(xiao)毒(du)，凈化處(chu)理。

6024型寶德直動閥比例閥

德(de)(de)(de)國(guo)(guo)(guo)(guo)寶(bao)(bao)德(de)(de)(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)降(jiang)(jiang)比(bi)(bi)例(li)(li)閥(fa)(fa)(fa)(fa)(fa)(fa),德(de)(de)(de)國(guo)(guo)(guo)(guo)寶(bao)(bao)德(de)(de)(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)降(jiang)(jiang)比(bi)(bi)例(li)(li)閥(fa)(fa)(fa)(fa)(fa)(fa)按結(jie)構形式(shi)(shi)(shi)(shi)(shi)(shi)可(ke)(ke)(ke)分為(wei)(wei)偏置(zhi)(zhi)板(ban)(ban)(ban)(ban)(ban)式(shi)(shi)(shi)(shi)(shi)(shi)、垂直(zhi)板(ban)(ban)(ban)(ban)(ban)式(shi)(shi)(shi)(shi)(shi)(shi)、斜板(ban)(ban)(ban)(ban)(ban)式(shi)(shi)(shi)(shi)(shi)(shi)和杠(gang)桿(gan)式(shi)(shi)(shi)(shi)(shi)(shi)。按密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)形式(shi)(shi)(shi)(shi)(shi)(shi)可(ke)(ke)(ke)分為(wei)(wei)較(jiao)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)型和硬(ying)(ying)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)型兩種(zhong)。軟密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)型一(yi)(yi)般采(cai)(cai)用(yong)(yong)橡膠環密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)，硬(ying)(ying)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)型通(tong)(tong)(tong)常(chang)采(cai)(cai)用(yong)(yong)金屬環密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)。按連接(jie)(jie)型式(shi)(shi)(shi)(shi)(shi)(shi)可(ke)(ke)(ke)分為(wei)(wei)法蘭(lan)連接(jie)(jie)和對夾式(shi)(shi)(shi)(shi)(shi)(shi)連接(jie)(jie)；按傳動(dong)(dong)(dong)方式(shi)(shi)(shi)(shi)(shi)(shi)可(ke)(ke)(ke)分為(wei)(wei)手動(dong)(dong)(dong)、齒輪傳動(dong)(dong)(dong)、氣動(dong)(dong)(dong)、液(ye)動(dong)(dong)(dong)和電動(dong)(dong)(dong)幾種(zhong)。德(de)(de)(de)國(guo)(guo)(guo)(guo)寶(bao)(bao)德(de)(de)(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)降(jiang)(jiang)比(bi)(bi)例(li)(li)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)做(zuo)成一(yi)(yi)個(ge)整　體(ti)(ti)，叫(jiao)(jiao)(jiao)做(zuo)剛性(xing)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)；也可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)做(zuo)成能(neng)(neng)產生(sheng)微(wei)量(liang)變形的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban),以(yi)(yi)(yi)(yi)改善(shan)其工(gong)藝性(xing),彌補密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)面角度(du)(du)在(zai)加工(gong)過(guo)程中(zhong)產生(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)偏差,這種(zhong)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)叫(jiao)(jiao)(jiao)做(zuo)彈性(xing)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)。閘(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)關(guan)(guan)閉(bi)(bi)(bi)(bi)(bi)時(shi)(shi)(shi),密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)面可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)只依(yi)(yi)靠(kao)介(jie)(jie)質(zhi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)來密(mi)(mi)(mi)(mi)(mi)(mi)封(feng),即依(yi)(yi)靠(kao)介(jie)(jie)質(zhi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)將(jiang)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)面壓(ya)(ya)(ya)(ya)(ya)(ya)向(xiang)(xiang)(xiang)另一(yi)(yi)側的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)座來保(bao)證密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)面的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)，這就(jiu)是自(zi)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)。大部分閘(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)是采(cai)(cai)用(yong)(yong)強制密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de),即閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)關(guan)(guan)閉(bi)(bi)(bi)(bi)(bi)時(shi)(shi)(shi)，要(yao)(yao)(yao)依(yi)(yi)靠(kao)外力(li)強行將(jiang)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)壓(ya)(ya)(ya)(ya)(ya)(ya)向(xiang)(xiang)(xiang)閥(fa)(fa)(fa)(fa)(fa)(fa)座,以(yi)(yi)(yi)(yi)保(bao)證密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)面的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)性(xing)。閘(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)隨閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)一(yi)(yi)起作(zuo)直(zhi)線(xian)(xian)(xian)運(yun)動(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，叫(jiao)(jiao)(jiao)升降(jiang)(jiang)桿(gan)閘(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)亦叫(jiao)(jiao)(jiao)明桿(gan)閘(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)。通(tong)(tong)(tong)常(chang)在(zai)升降(jiang)(jiang)桿(gan)上(shang)有(you)梯形螺(luo)紋(wen)，通(tong)(tong)(tong)過(guo)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)頂(ding)端(duan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)螺(luo)母以(yi)(yi)(yi)(yi)及閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)上(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)導(dao)(dao)槽，將(jiang)旋(xuan)轉(zhuan)運(yun)動(dong)(dong)(dong)變為(wei)(wei)直(zhi)線(xian)(xian)(xian)運(yun)動(dong)(dong)(dong),也就(jiu)是將(jiang)操作(zuo)轉(zhuan)矩變為(wei)(wei)操作(zuo)推力(li)。開(kai)(kai)(kai)啟(qi)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)時(shi)(shi)(shi)，當閘(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)提(ti)升高(gao)度(du)(du)等于(yu)(yu)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)通(tong)(tong)(tong)徑的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)1：1倍時(shi)(shi)(shi)，流(liu)(liu)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)通(tong)(tong)(tong)道(dao)*暢通(tong)(tong)(tong)，但在(zai)運(yun)行時(shi)(shi)(shi)，此位(wei)(wei)置(zhi)(zhi)是無法監視的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。實際(ji)使用(yong)(yong)時(shi)(shi)(shi)，是以(yi)(yi)(yi)(yi)閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)頂(ding)點(dian)作(zuo)為(wei)(wei)標(biao)志(zhi)，即開(kai)(kai)(kai)不動(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)置(zhi)(zhi)，作(zuo)為(wei)(wei)它(ta)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)全(quan)開(kai)(kai)(kai)位(wei)(wei)置(zhi)(zhi)。德(de)(de)(de)國(guo)(guo)(guo)(guo)寶(bao)(bao)德(de)(de)(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)降(jiang)(jiang)比(bi)(bi)例(li)(li)閥(fa)(fa)(fa)(fa)(fa)(fa)啟(qi)閉(bi)(bi)(bi)(bi)(bi)件靠(kao)介(jie)(jie)質(zhi)流(liu)(liu)動(dong)(dong)(dong)和力(li)量(liang)自(zi)行開(kai)(kai)(kai)啟(qi)或關(guan)(guan)閉(bi)(bi)(bi)(bi)(bi)，以(yi)(yi)(yi)(yi)防(fang)止(zhi)(zhi)(zhi)(zhi)介(jie)(jie)質(zhi)倒(dao)流(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)叫(jiao)(jiao)(jiao)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)屬于(yu)(yu)自(zi)動(dong)(dong)(dong)閥(fa)(fa)(fa)(fa)(fa)(fa)類，主要(yao)(yao)(yao)用(yong)(yong)于(yu)(yu)介(jie)(jie)質(zhi)單向(xiang)(xiang)(xiang)流(liu)(liu)動(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)道(dao)上(shang)，只允許介(jie)(jie)質(zhi)向(xiang)(xiang)(xiang)一(yi)(yi)個(ge)方向(xiang)(xiang)(xiang)流(liu)(liu)動(dong)(dong)(dong)，以(yi)(yi)(yi)(yi)防(fang)止(zhi)(zhi)(zhi)(zhi)發生(sheng)事故(gu)(gu)。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)又稱單向(xiang)(xiang)(xiang)閥(fa)(fa)(fa)(fa)(fa)(fa)或逆止(zhi)(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)，水(shui)泵吸水(shui)關(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)底閥(fa)(fa)(fa)(fa)(fa)(fa)也屬于(yu)(yu)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)類。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)是能(neng)(neng)自(zi)動(dong)(dong)(dong)阻止(zhi)(zhi)(zhi)(zhi)流(liu)(liu)體(ti)(ti)倒(dao)流(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)在(zai)流(liu)(liu)體(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)作(zuo)用(yong)(yong)下(xia)(xia)開(kai)(kai)(kai)啟(qi)，流(liu)(liu)體(ti)(ti)從進口側流(liu)(liu)向(xiang)(xiang)(xiang)出(chu)口側。當進口側壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)低(di)(di)于(yu)(yu)出(chu)口側時(shi)(shi)(shi)，閥(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)在(zai)流(liu)(liu)體(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)差、本(ben)(ben)身(shen)重(zhong)(zhong)力(li)等因(yin)素作(zuo)用(yong)(yong)下(xia)(xia)自(zi)動(dong)(dong)(dong)關(guan)(guan)閉(bi)(bi)(bi)(bi)(bi)以(yi)(yi)(yi)(yi)防(fang)止(zhi)(zhi)(zhi)(zhi)流(liu)(liu)體(ti)(ti)倒(dao)流(liu)(liu)。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)關(guan)(guan)閉(bi)(bi)(bi)(bi)(bi)時(shi)(shi)(shi)，會(hui)在(zai)管(guan)(guan)路中(zhong)產生(sheng)水(shui)錘(chui)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)，嚴重(zhong)(zhong)時(shi)(shi)(shi)會(hui)導(dao)(dao)致(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)、管(guan)(guan)路或設備的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)損壞(huai)，尤其對于(yu)(yu)大口管(guan)(guan)路或高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)管(guan)(guan)路，故(gu)(gu)應引起止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)選用(yong)(yong)者的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)高(gao)度(du)(du)注意。在(zai)管(guan)(guan)線(xian)(xian)(xian)中(zhong)不要(yao)(yao)(yao)使止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)承(cheng)受(shou)重(zhong)(zhong)量(liang)，大型的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)應獨立支撐(cheng)，使之(zhi)不受(shou)管(guan)(guan)系(xi)產生(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)影響.德(de)(de)(de)國(guo)(guo)(guo)(guo)寶(bao)(bao)德(de)(de)(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)降(jiang)(jiang)比(bi)(bi)例(li)(li)閥(fa)(fa)(fa)(fa)(fa)(fa),德(de)(de)(de)國(guo)(guo)(guo)(guo)寶(bao)(bao)德(de)(de)(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)降(jiang)(jiang)比(bi)(bi)例(li)(li)閥(fa)(fa)(fa)(fa)(fa)(fa)： GLD-Cryo 系(xi)列是一(yi)(yi)種(zhong)兩通(tong)(tong)(tong)大流(liu)(liu)量(liang)微(wei)型低(di)(di)溫(wen)(wen)(wen)閥(fa)(fa)(fa)(fa)(fa)(fa)，zui低(di)(di)工(gong)作(zuo)溫(wen)(wen)(wen)度(du)(du)可(ke)(ke)(ke)達(da)-320F （-196℃ ）。根據您(nin)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)要(yao)(yao)(yao)求，GLD-Cryo 系(xi)列閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)可(ke)(ke)(ke)用(yong)(yong)于(yu)(yu)液(ye)氮（LN2）、液(ye)態(tai)(tai)二(er)氧化碳（LCO2） 以(yi)(yi)(yi)(yi)及其他(ta)極(ji)低(di)(di)溫(wen)(wen)(wen)度(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)介(jie)(jie)質(zhi)。聚四氟乙(yi)烯涂層柱塞(sai)(sai)、 316 不銹鋼閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)導(dao)(dao)管(guan)(guan)和柱塞(sai)(sai)彈簧、封(feng)裝線(xian)(xian)(xian)圈以(yi)(yi)(yi)(yi)及聚四氟乙(yi)烯或Rulon底座密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)構成了(le)一(yi)(yi)種(zhong)性(xing)能(neng)(neng)極(ji)為(wei)(wei)可(ke)(ke)(ke)靠(kao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)低(di)(di)溫(wen)(wen)(wen)閥(fa)(fa)(fa)(fa)(fa)(fa)，非常(chang)適合對使用(yong)(yong)壽(shou)命及介(jie)(jie)質(zhi)溫(wen)(wen)(wen)度(du)(du)控(kong)制要(yao)(yao)(yao)求*的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應用(yong)(yong)。<br />德(de)(de)(de)國(guo)(guo)(guo)(guo)寶(bao)(bao)德(de)(de)(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)降(jiang)(jiang)比(bi)(bi)例(li)(li)閥(fa)(fa)(fa)(fa)(fa)(fa)閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)圓柱形通(tong)(tong)(tong)道(dao)內(nei)，圓盤形蝶(die)板(ban)(ban)(ban)(ban)(ban)繞著(zhu)軸(zhou)線(xian)(xian)(xian)旋(xuan)轉(zhuan)，旋(xuan)轉(zhuan)角度(du)(du)為(wei)(wei)0;~90;之(zhi)間(jian)，旋(xuan)轉(zhuan)到(dao)90&deg;時(shi)(shi)(shi)，閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)則牌全(quan)開(kai)(kai)(kai)狀態(tai)(tai)。蝶(die)閥(fa)(fa)(fa)(fa)(fa)(fa)又叫(jiao)(jiao)(jiao)翻板(ban)(ban)(ban)(ban)(ban)閥(fa)(fa)(fa)(fa)(fa)(fa),是一(yi)(yi)種(zhong)結(jie)構簡(jian)單的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)調(diao)節閥(fa)(fa)(fa)(fa)(fa)(fa)，同時(shi)(shi)(shi)也可(ke)(ke)(ke)用(yong)(yong)于(yu)(yu)低(di)(di)壓(ya)(ya)(ya)(ya)(ya)(ya)管(guan)(guan)道(dao)介(jie)(jie)質(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)關(guan)(guan)控(kong)制。蝶(die)閥(fa)(fa)(fa)(fa)(fa)(fa)（英文(wen)：butterflyvalve）是指(zhi)關(guan)(guan)閉(bi)(bi)(bi)(bi)(bi)件（閥(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)或蝶(die)板(ban)(ban)(ban)(ban)(ban)）為(wei)(wei)圓盤，圍繞閥(fa)(fa)(fa)(fa)(fa)(fa)軸(zhou)旋(xuan)轉(zhuan)來達(da)到(dao)開(kai)(kai)(kai)啟(qi)與關(guan)(guan)閉(bi)(bi)(bi)(bi)(bi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)種(zhong)閥(fa)(fa)(fa)(fa)(fa)(fa)，在(zai)管(guan)(guan)道(dao)上(shang)主要(yao)(yao)(yao)起切(qie)斷(duan)和節流(liu)(liu)用(yong)(yong)。蝶(die)閥(fa)(fa)(fa)(fa)(fa)(fa)啟(qi)閉(bi)(bi)(bi)(bi)(bi)件是一(yi)(yi)個(ge)圓盤形的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)蝶(die)板(ban)(ban)(ban)(ban)(ban)，在(zai)閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)內(nei)繞其自(zi)身(shen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)軸(zhou)線(xian)(xian)(xian)旋(xuan)轉(zhuan)，從而達(da)到(dao)啟(qi)閉(bi)(bi)(bi)(bi)(bi)或調(diao)節的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。蝶(die)閥(fa)(fa)(fa)(fa)(fa)(fa)全(quan)開(kai)(kai)(kai)到(dao)全(quan)關(guan)(guan)通(tong)(tong)(tong)常(chang)是小于(yu)(yu)90&deg;，蝶(die)閥(fa)(fa)(fa)(fa)(fa)(fa)和蝶(die)桿(gan)本(ben)(ben)身(shen)沒有(you)自(zi)鎖能(neng)(neng)力(li)，為(wei)(wei)了(le)蝶(die)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)定(ding)位(wei)(wei)，要(yao)(yao)(yao)在(zai)閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)上(shang)加裝蝸(gua)輪減速器(qi)。采(cai)(cai)用(yong)(yong)蝸(gua)輪減速器(qi)，不僅可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)使蝶(die)板(ban)(ban)(ban)(ban)(ban)具有(you)自(zi)鎖能(neng)(neng)力(li)，使蝶(die)板(ban)(ban)(ban)(ban)(ban)停止(zhi)(zhi)(zhi)(zhi)在(zai)任意位(wei)(wei)置(zhi)(zhi)上(shang)，還(huan)能(neng)(neng)改善(shan)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)操作(zuo)性(xing)能(neng)(neng)。

6024型寶德比例閥直動閥