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玉林派克截止與節(jié)流閥&廣西PARKER總經(jīng)銷
Parker派克N系列截止與節(jié)流閥：2級針狀錐面的截止與節(jié)流閥的調(diào)節(jié)旋鈕的前3圈為第1級，可以對流量進行靈敏地調(diào)節(jié)。后3圈為第2級，其具有普通的節(jié)流特性。為了減小粘度的影響，結(jié)構(gòu)尺寸為200至600的閥可以采用帶矩形切口的圓柱式針閥。流量與壓力和粘度有關(guān)。
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