阀芯两端的作用力失去平衡, 阀芯遂向左移动。高压油从S流向C2，送到负载。负载回油通过 C1流过回油口，进入油箱。阀芯的位移量与力矩马达的输入电流成正比，作用在阀芯上的液压力与弹簧力相平衡，因此在平衡状态下力矩马达的差动电流与阀芯的位移成正比。如果输入的电流反向，则流量也反向。表中是伺服阀的分类。
福建科盛共创机电设备有限公司联系人：卢工
D661-4045B
D661-4046
D661-4049
D661-4050
D661-4051
D661-4053
D661-4054
D661-4055
D661-4056B
D661-4057
D661-4058
D661-4059
D661-405D
D661-405D-4
D661-4060
D661-4061
D661-4062
D661-4064
D661-4065
D661-4066
D661-4067
D661-4068
D661-4069
D661-406D
D661-4070
D661-4071
D661-4072
D661-4073
D661-4074
D661-4075
D661-4076
D661-4077
D661-4078
D661-4079
D661-4080
D661-4081
D661-4082
D661-4083
D661-4084
D661-4085
D661-4086
D661-4088
D661-4089
D661-4090
D661-4091
D661-4096
D661-4097
D661-4098E
D661-4099
D661-4101
D661-4102
D661-4103
D661-4105
D661-4106E
D661-4107
D661-4108
D661-4109
D661-4110
D661-4111E
D661-4112
D661-4113
D661-4114
D661-4115
D661-4116E
D661-4117E
D661-4118E
D661-4119E
D661-411A
D661-4120
D661-4121E
D661-4122E
D661-4123E
D661-4124E
D661-4125E
D661-4126E
D661-4127
D661-4128
D661-4129
D661-4130
D661-4131
D661-4132
D661-4133
D661-4134
D661-4136B
D661-4137
D661-4142
D661-4144
D661-4145E
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