德国海隆先导式软密封滑阀￥herion德国海隆

德国海隆先导式软密封滑阀￥herion德国海隆
海隆Herion节流阀节流口堵塞原因：
1、油液中的机械杂质或因氧朝析出的胶质、沥青、碳渣等污物堆积在节流缝隙处。
2、由于油液老化或受到挤压后产生带电的极化分子，而节流缝隙的金属表面上存在电位差，故极化分子被吸附到缝隙表面，形成牢固的边界吸附层，吸附层厚度一般为5~8微米，因而影响了节流缝隙的大小。以上堆积、吸附物增长到一定厚度时，会被液流冲刷掉，随后又重新附在阀口上。这样周而复始，就形成了流量的脉动。
3、阀口压差较大时，因阀口温度高，液体受挤压的程度增强，金属表面也更易受摩擦作用而形成电位差，因此压差大时容易产生堵塞现象
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德国海隆先导式软密封滑阀￥herion德国海隆
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