| 品牌华德 | 型号2FRM16-21B/160L |
| 材质铸铜 | 类型(通道位置)二通式 |
| 连接形式法兰 | 3C阀门类别工业 |
苏州登正机电有限公司 电话：0512-66831346 手机：15862324676（微信同号）qq:1226210111
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。
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