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BURKERT膜片閥寶德00445420技術特征
BURKERT2030型膜(mo)片閥(fa)(fa)(fa)即刻響應(ying)(ying)(ying)增(zeng)(zeng)加(jia)的(de)感(gan)應(ying)(ying)(ying)壓(ya)力(li),推動(dong)斜(xie)盤(pan)(pan)使排(pai)(pai)污泵(beng)排(pai)(pai)量(liang)(liang)(liang)緩緩增(zeng)(zeng)加(jia),節(jie)(jie)流環(huan)(換(huan)向(xiang)(xiang)閥(fa)(fa)(fa))進(jin)(jin)口的(de)壓(ya)力(li)開始(shi)上(shang)升(sheng)。這種作用可(ke)以維(wei)(wei)持節(jie)(jie)流環(huan)(換(huan)向(xiang)(xiang)閥(fa)(fa)(fa))進(jin)(jin)出(chu)口的(de)壓(ya)力(li)恒定(ding),流量(liang)(liang)(liang)恒定(ding),從而(er)達(da)到(dao)(dao)絞車速(su)度(du)的(de)恒定(ding)。節(jie)(jie)流環(huan)(換(huan)向(xiang)(xiang)閥(fa)(fa)(fa))進(jin)(jin)出(chu)口的(de)壓(ya)降 delta P 維(wei)(wei)持在10-30公斤。當(dang)所有(you)換(huan)向(xiang)(xiang)閥(fa)(fa)(fa)回到(dao)(dao)中位,負(fu)載(zai)感(gan)應(ying)(ying)(ying)壓(ya)力(li)釋(shi)放至油箱,排(pai)(pai)污泵(beng)負(fu)載(zai)感(gan)應(ying)(ying)(ying)控(kong)制(zhi)(zhi)閥(fa)(fa)(fa)維(wei)(wei)持在相當(dang)于或略高(gao)于設(she)定(ding)壓(ya)降值,變量(liang)(liang)(liang)排(pai)(pai)污泵(beng)處于起始(shi)待命狀態。由于變量(liang)(liang)(liang)排(pai)(pai)污泵(beng)只(zhi)根據負(fu)載(zai)感(gan)應(ying)(ying)(ying)驅動(dong)器的(de)指令大小來(lai)輸出(chu)流量(liang)(liang)(liang),負(fu)載(zai)感(gan)應(ying)(ying)(ying)控(kong)制(zhi)(zhi)方式無(wu)節(jie)(jie)流發熱(re)損耗,節(jie)(jie)能效(xiao)應(ying)(ying)(ying)明顯(xian)(xian)。正如上(shang)述例子(zi)所示,驅動(dong)控(kong)制(zhi)(zhi)效(xiao)果(guo)明顯(xian)(xian)改善(shan)。負(fu)載(zai)感(gan)應(ying)(ying)(ying)控(kong)制(zhi)(zhi)可(ke)以保(bao)證流量(liang)(liang)(liang)控(kong)制(zhi)(zhi)的(de)恒定(ding),而(er)不受排(pai)(pai)污泵(beng)驅動(dong)軸速(su)度(du)變化(hua)的(de)影響。如果(guo)排(pai)(pai)污泵(beng)的(de)速(su)度(du)減低,負(fu)載(zai)感(gan)應(ying)(ying)(ying)控(kong)制(zhi)(zhi)閥(fa)(fa)(fa)推動(dong)斜(xie)盤(pan)(pan)增(zeng)(zeng)加(jia)排(pai)(pai)量(liang)(liang)(liang),維(wei)(wei)持節(jie)(jie)流環(huan)(換(huan)向(xiang)(xiang)閥(fa)(fa)(fa))的(de)壓(ya)差,直到(dao)(dao)排(pai)(pai)量(liang)(liang)(liang)達(da)到(dao)(dao)z大量(liang)(liang)(liang)。
BURKERT2030型膜片閥(fa)(fa)(fa)采用(yong)濕式(shi)交流(liu)(liu)或直(zhi)流(liu)(liu)電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)。該(gai)閥(fa)(fa)(fa)是通過(guo)電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)控(kong)制閥(fa)(fa)(fa)芯的(de)不(bu)(bu)同工(gong)作(zuo)位置。當電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)斷電(dian)(dian)(dian)時(shi)(shi),閥(fa)(fa)(fa)芯靠彈簧(huang)壓力保持在中間或終端(duan)位(脈沖式(shi)閥(fa)(fa)(fa)除外(wai))。電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)通電(dian)(dian)(dian),閥(fa)(fa)(fa)芯被推(tui)到(dao)工(gong)作(zuo)位置上,斷電(dian)(dian)(dian)后(hou)又(you)恢復到(dao)初始狀態(tai)。這時(shi)(shi)用(yong)手推(tui)動故(gu)障(zhang)檢查按鈕可使閥(fa)(fa)(fa)芯移動。由于濕式(shi)電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)內部與回油(you)腔(qiang)相通,這樣銜鐵(tie)(tie)油(you)里移動,可以減少(shao)磨損、緩沖,并且(qie)提高了散熱性能(neng),提高了使用(yong)壽命。交流(liu)(liu)電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)具有動作(zuo)時(shi)(shi)間短,電(dian)(dian)(dian)氣(qi)控(kong)制線路簡(jian)單(dan),不(bu)(bu)需特(te)殊的(de)觸頭保護等(deng)特(te)點。直(zhi)流(liu)(liu)電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)是切(qie)換(huan)(huan)特(te)性軟(ruan),動作(zuo)頻(pin)率高,對(dui)過(guo)載(zai)或低(di)電(dian)(dian)(dian)壓反應(ying)不(bu)(bu)敏感,工(gong)作(zuo)可靠。WE型換(huan)(huan)向閥(fa)(fa)(fa)是由電(dian)(dian)(dian)磁(ci)(ci)鐵(tie)(tie)控(kong)制的(de)滑閥(fa)(fa)(fa)式(shi)換(huan)(huan)向閥(fa)(fa)(fa),它主要用(yong)于控(kong)制液體的(de)通斷和(he)流(liu)(liu)動方向。
2012系列截止閥訂貨號:
00146227 00146237 00146247 00146259 00146271 00146283 00146295 00146299
00146310 00146322 00146327 00146339 00146357 00152743 00152761 00155527
00152779 00152797 00155546 00152815 00152833 00146465 00146476 00146487
00152842 00152851 00152860
3233系列膜片閥訂貨號:
00704949 00435289 00435290 00435291 00435156 00435292 00435293 00704947
00435283 00435284 00435285 00435286 00435287 00435288 00435091 00435092
00435093 00435094 00435095 00435096 00435097 00435098 00435099 00435100
00435101 00435102 00165614 00165615 00165616 00704943 00435241 00435242
00435243 00435244 00435245 00435246 00704939 00435235 00435236 00435237
00435238 00435239 00435240 00704944 00435265 00435266 00435267 00435268
00435269 00435270 00704940 00435259 00435260 00435261 00435262 00435263
00435264 00163024 00163025 00163026
2031系列膜片閥訂貨號:
00445417 00445418 00445419 00558712 00445420 00445421 00445422 00558714
00442835 00444148 00442834 00558713
3230系列膜片閥訂貨號:
00784822 00784824 00784826 00784823 00784825 00784827
BURKERT膜片閥寶德00445420技術特征