更新時(shi)間:2022-04-27
RF-G06-3-30注塑機背壓閥適用范圍:注塑機 機械設備 液壓系統 產品別名:注塑機背壓閥 調壓閥 先導式溢流閥 適用介質:油品適用(yong)溫(wen)度(du):-10-80(℃) 公稱(cheng)壓力(li):21(MPa) 公稱(cheng)通徑(jing):10 25(mm) 安裝形式(shi):板式(shi)
RF-G06-3-30注塑機背壓閥
RF-G06-3-30注塑機背壓閥
背(bei)(bei)壓(ya)(ya)(ya)閥(fa)通(tong)(tong)過內(nei)置彈簧(huang)的彈力(li)來實現(xian)動作:當系統壓(ya)(ya)(ya)力(li)比設定壓(ya)(ya)(ya)力(li)小時,膜片在(zai)彈簧(huang)彈力(li)的作用下(xia)堵塞管(guan)路(lu)(lu);當系統壓(ya)(ya)(ya)力(li)比設定壓(ya)(ya)(ya)力(li)大(da)時,膜片壓(ya)(ya)(ya)縮(suo)彈簧(huang),管(guan)路(lu)(lu)接通(tong)(tong),液(ye)體通(tong)(tong)過背(bei)(bei)壓(ya)(ya)(ya)閥(fa)。背(bei)(bei)壓(ya)(ya)(ya)閥(fa)結構同單向(xiang)閥(fa)相似,但(dan)開啟壓(ya)(ya)(ya)力(li)大(da)于單向(xiang)閥(fa),在(zai)0.2到(dao)1.6兆帕間。
適用范圍:注塑機(ji) 機(ji)械設備 液壓系(xi)統(tong) 產品(pin)別(bie)名:注塑機(ji)背壓閥(fa) 調壓閥(fa) 先導式溢(yi)流閥(fa) 適用介質(zhi):油品(pin)
適(shi)用溫度:-10-80(℃) 公(gong)稱壓力:21(MPa) 公(gong)稱通徑(jing):10 25(mm) 安裝形式:板式
背壓(ya)(ya)閥通(tong)(tong)(tong)過內置彈(dan)簧(huang)的彈(dan)力(li)(li)(li)來實現動(dong)作:當系統(tong)壓(ya)(ya)力(li)(li)(li)比設定(ding)壓(ya)(ya)力(li)(li)(li)小時,膜片(pian)在彈(dan)簧(huang)彈(dan)力(li)(li)(li)的作用下(xia)堵塞管(guan)路;當系統(tong)壓(ya)(ya)力(li)(li)(li)比設定(ding)壓(ya)(ya)力(li)(li)(li)大(da)時,膜片(pian)壓(ya)(ya)縮(suo)彈(dan)簧(huang),管(guan)路接(jie)通(tong)(tong)(tong),液體通(tong)(tong)(tong)過背壓(ya)(ya)閥。背壓(ya)(ya)閥結構同單向(xiang)(xiang)閥相似,但開啟壓(ya)(ya)力(li)(li)(li)大(da)于單向(xiang)(xiang)閥,在0.2到1.6兆帕間(jian)。
流(liu)體(ti)(ti)(ti)(ti)從(cong)背(bei)(bei)(bei)壓閥(fa)進口進入,被膜(mo)片(pian)阻擋(dang),于是流(liu)體(ti)(ti)(ti)(ti)對膜(mo)片(pian)產(chan)生(sheng)向上(shang)的(de)(de)壓力。當(dang)壓力足夠(gou)大時,彈簧被壓縮,流(liu)體(ti)(ti)(ti)(ti)頂(ding)起膜(mo)片(pian)形(xing)成通(tong)(tong)道,從(cong)背(bei)(bei)(bei)壓閥(fa)出口流(liu)出;若流(liu)體(ti)(ti)(ti)(ti)壓力不夠(gou),就會形(xing)成憋壓,使進口壓力上(shang)升直到達到額定壓力,頂(ding)起膜(mo)片(pian)形(xing)成通(tong)(tong)路。背(bei)(bei)(bei)壓閥(fa)的(de)(de)額定壓力可(ke)調節,一般(ban)通(tong)(tong)過調節彈簧上(shang)端的(de)(de)頂(ding)桿,從(cong)而(er)調節彈簧的(de)(de)長度來(lai)實現。
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