脈沖閥的氣腔由膜片分成前、后兩個(gè)氣室,當(dāng)氣腔內(nèi)充氣時(shí),壓縮空氣經(jīng)節(jié)流孔進(jìn)入后氣室,后氣室的壓力將膜片封堵閥的輸出端,使電磁脈沖閥關(guān)閉。脈沖噴吹控制儀的電信號(hào)驅(qū)動(dòng)電磁先導(dǎo)頭的動(dòng)鐵芯移動(dòng),從而打開后氣室放氣孔,后氣室快速失壓使膜片后移,壓縮空氣通過閥的輸出端噴射,使電磁脈沖閥開啟。脈沖噴吹控制儀電信號(hào)終止,電磁先導(dǎo)頭的動(dòng)鐵芯返回封堵后氣室放氣孔,后氣室壓力快速回升使膜片又封堵閥的輸出端,使電磁脈沖閥關(guān)
美國ASCO阿斯卡脈沖閥天津代購 脈沖閥分為直角脈沖閥和淹沒式脈沖閥高壓氣從進(jìn)氣口接入, 進(jìn)入下氣室,1、當(dāng)脈沖閥未得電時(shí),氣體通過上下兩殼體的恒壓管道以及其中的節(jié)流孔進(jìn)入減壓室,由于閥芯在彈簧的作用下堵住泄壓孔,氣體不會(huì)排出,令減壓室和下氣室的壓力*,而在彈簧作用下,膜片將噴吹口堵住,氣體不會(huì)沖出。2、當(dāng)脈沖閥得電時(shí),閥芯在電磁力作用下向上抬起,泄壓孔打開,氣體噴出,由于恒壓管道節(jié)流孔的作用,泄壓孔的流出速度大于減壓室恒壓管氣體的流入速度,令減壓室壓力低于下氣室的壓力,下氣室的氣體將膜片頂起,打開噴吹口,進(jìn)行氣體噴吹。 400325-117
400425-342
SCG353A047
43004869
43004886
EFG551A001MS
EFG551A002MS
SCG551A001MS
SCG551A002MS
EF8320G200
EF8320G202
EF8320G203
SCG531D001MS
SCG531D002MS
SCG531C017
SCG551A005MS 230/50
SCG551A005MS 24VDC
SCG551A001MS 230/50
SCG551A001MS 24VDC
SCG551A002MS 24VDC
SCG551A002MS 230/50
EFG551H401MO 24VDC
EFG551H401MO 220/50
EFG551A001MS 220/50
EFG551A001MS 24VDC
SCG353A043 230/50
SCG353A043 24VDC 美國ASCO阿斯卡脈沖閥天津代購