⑤拆修时,漏装锥阀或锥阀未安装在阀座孔内。对此,可检查锥阀的装配情况或密合情况。
⑥主阀芯上长阻尼孔被污物堵塞,如图3-21所示,P2腔的油液不能经长阻尼孔e流入主阀弹簧腔,出油腔P2的反馈压力传递不到先导锥阀上,使导阀失去了对主阀出口压力的调节作用。阻尼孔堵塞后,主阀P。腔失去了油压p3的作用,使主阀变成一个弹簧力很弱(只有主阀平衡弹簧)的直动式滑阀,故在出油口压力很低时,便可克服平衡弹簧的作用力而使减压阀节流口关小ymin,这样进油口压力p1经ymin节流口大幅度降压至p2,使出油口压力上不来。应使长阻尼孔通畅。
⑦先导阀弹簧(调压弹簧)错装成软弹簧,或者因弹簧疲劳产生变形或者折断等原因,造成p2压力调不高,只能调到某一低的定值,此值远低于减压阀的Zui大调节压力。
FW-02-2B12B-D12-50 FW-02-2B2BL-D12-50 FW-02-2B3BL-D12-50 FW-02-2B2L-D12-50
FW-02-2B3L-D12-50 FW-02-2B8L-D12-50 FW-03-2B11BL-D12-50 FW-03-2B12BL-D12-50
FW-03-2B3B-D24-50 FW-03-2B4B-D24-50 FW-03-2B9B-D24-50 FW-03-2B11B-D24-50
FW-03-2B12B-D24-50 FW-03-2B2BL-D24-50 FW-03-2B3BL-D24-50 FW-03-2B2L-D24-50
FW-03-2B3L-A110-50 FW-03-2B8L-A110-50 FW-03-2B11BL-A110-50FW-03-2B12BL-A110-50
HOYEA电磁阀 华液电磁阀
FW-03-2B3L-D24-50 FW-03-2B8L-D24-50 FW-03-2B11BL-D24-50 FW-03-2B12BL-D24-50
FW-03-3C2-D12-50 FW-03-3C3-D12-50 FW-03-3C4-D12-50 FW-03-3C5-D12-50
FW-03-3C6-D12-50 FW-03-3C7-D12-50 FW-03-3C8-D12-50 FW-03-3C9-D12-50
FW-03-3C10-D12-50 FW-03-3C11-D12-50 FW-03-3C12-D12-50 FW-03-3C25-D12-50
FW-02-3C2-A110-50 FW-02-3C3-A110-50 FW-02-3C4-A110-50 FW-02-3C5-A110-50
FW-02-3C6-A110-50 FW-02-3C7-A110-50 FW-02-3C8-A110-50 FW-02-3C9-A110-50
FW-02-3C10-A110-50 FW-02-3C11-A110-50 FW-02-3C12-A110-50 FW-02-3C25-A110-50
FW-02-2B2-A110-50 FW-02-2B3-A110-50 FW-02-2B8-A110-50 FW-02-2B2B-A110-50
FW-02-2B3B-A110-50 FW-02-2B4B-A110-50 FW-02-2B9B-A110-50 FW-02-2B11B-A110-50
FW-02-2B12B-A110-50 FW-02-2B2BL-A110-50 FW-02-2B3BL-A110-50FW-02-2B2L-A110-50
FW-02-2B2-A220-50 FW-02-2B3-A220-50 FW-02-2B8-A220-50 FW-02-2B2B-A220-50
FW-02-2B3B-A220-50 FW-02-2B4B-A220-50 FW-02-2B9B-A220-50 FW-02-2B11B-A220-50
FW-02-2B12B-A220-50 FW-02-2B2BL-A220-50 FW-02-2B3BL-A220-50FW-02-2B2L-A220-50
FW-02-2B3L-A220-50 FW-02-2B8L-A220-50 FW-02-2B11BL-A220-50 FW-02-2B12BL-A220-50
FW-03-2B2-A110-50 FW-03-2B3-A110-50 FW-03-2B8-A110-50 FW-03-2B2B-A110-50