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北京华德液压2FRM16-21B/160L
北京华德液压2FRM16-21B/160L
北京华德液压2FRM16-21B/160L
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下：
4WE10H31B/OFCW220-50N9Z5L 4WE10L31B/CG24N9Z4
4WE10H31B/OFCW220-50NZ4 4WE10L31B/CG24N9Z5
4WE10H31B/OFCW220-50NZ5 4WE10L31B/CG24N9Z5L
4WE10H31B/OFCW220-50NZ5L 4WE10L31B/CG24NZ4
4WE10J20B/OFAG24N 4WE10L31B/CG24NZ5
4WE10J20B/OFAW220-50N 4WE10L31B/CG24NZ5L
4WE10J31B/CG24N9Z4 4WE10L31B/CW220-50N9Z4
4WE10J31B/CG24N9Z5 4WE10L31B/CW220-50N9Z5
4WE10J31B/CG24N9Z5L 4WE10L31B/CW220-50N9Z5L
4WE10J31B/CG24NZ4 4WE10L31B/CW220-50NZ4
4WE10J31B/CG24NZ5 4WE10L31B/CW220-50NZ5
4WE10J31B/CG24NZ5L 4WE10L31B/CW220-50NZ5L
4WE10J31B/CW220-50N9Z4 4WE10M20B/AG24N
4WE10J31B/CW220-50N9Z5 4WE10M20B/AW220-50
4WE10J31B/CW220-50N9Z5L 4WE10M20B/OAG24N
4WE10J31B/CW220-50NZ4 4WE10M20B/OAW220-50N
4WE10J31B/CW220-50NZ5 4WE10M31B/CG24N9Z4
4WE10J31B/CW220-50NZ5L 4WE10M31B/CG24N9Z5
4WE10J31B/OFCG24N9Z4 4WE10M31B/CG24N9Z5L
4WE10J31B/OFCG24N9Z5 4WE10M31B/CG24NZ4
4WE10J31B/OFCG24N9Z5L 4WE10M31B/CG24NZ5
4WE10J31B/OFCG24NZ4 4WE10M31B/CG24NZ5L
4WE10J31B/OFCG24NZ5 4WE10M31B/CW220-50N9Z4
4WE10J31B/OFCG24NZ5L 4WE10M31B/CW220-50N9Z5
4WE10J31B/OFCW220-50N9Z4 4WE10M31B/CW220-50N9Z5L
4WE10J31B/OFCW220-50N9Z5 4WE10M31B/CW220-50NZ4
4WE10J31B/OFCW220-50N9Z5L 4WE10M31B/CW220-50NZ5
4WE10J31B/OFCW220-50NZ4 4WE10M31B/CW220-50NZ5L
4WE10J31B/OFCW220-50NZ5 4WE10P20B/AG24N
4WE10J31B/OFCW220-50NZ5L 4WE10P20B/AW220-50
调速阀是进行了压力补偿的节流阀。它由定差减压阀和节流阀串联而成。
作用：
调速阀是由定差减压阀与节流阀串联而成的组合阀。节流阀用来调节通过的流量，定差减压阀则自动补偿负载变化的影响，使节流阀前后的压差为定值，消除了负载变化对流量的影响响。
节流阀前、后的压力分别引到减压阀阀芯右、左两端，当负载压力增大，于是作用在减压阀芯左端的液压力增大
，阀芯右移，减压口加大，压降减小，从而使节流阀的压差（p2-p3）保持不变；反之亦然。这样就是调速阀的流量恒定不变（不受负载影响）。
调速阀也可以设计成先节流后减压的结构。
