美國派克單向閥CPOM2BBV
PARKER單(dan)(dan)向(xiang)閥(fa)(fa)有直(zhi)通(tong)式(shi)和直(zhi)角(jiao)式(shi)兩(liang)種(zhong)。直(zhi)通(tong)式(shi)單(dan)(dan)向(xiang)閥(fa)(fa)用螺紋連(lian)(lian)接安裝在管路(lu)上。直(zhi)角(jiao)式(shi)單(dan)(dan)向(xiang)閥(fa)(fa)有螺紋連(lian)(lian)接、板式(shi)連(lian)(lian)接和法(fa)蘭連(lian)(lian)接三種(zhong)形式(shi)。液(ye)控單(dan)(dan)向(xiang)閥(fa)(fa)也稱(cheng)閉鎖閥(fa)(fa)或保(bao)壓(ya)閥(fa)(fa),它與(yu)單(dan)(dan)向(xiang)閥(fa)(fa)相(xiang)同,用以防止(zhi)油(you)(you)液(ye)反(fan)向(xiang)流(liu)(liu)動(dong)。但在液(ye)壓(ya)回路(lu)中需要油(you)(you)流(liu)(liu)反(fan)向(xiang)流(liu)(liu)動(dong)時又(you)可利用控制油(you)(you)壓(ya),打(da)開單(dan)(dan)向(xiang)閥(fa)(fa),使油(you)(you)流(liu)(liu)在兩(liang)個方向(xiang)都(dou)可流(liu)(liu)動(dong)
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