力乐士比例阀0811402109 DBE 10X-1X/180G24-8NZ4M

阀瓣频跳或振动：主要是由于弹簧刚度太大。应改用刚度适当的弹簧；调节圈调整不当，使回座压力过高。应重新调整调节圈位置；排放管道阻力过大，造成过大的排放背压。应减小排放管道阻力。

不到规定压力开启：主要是定压不准；弹簧老化弹力下降。应适当旋紧调整螺杆或更换弹簧。

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