美国MOOG穆格D660系列伺服阀，采用新型的Servo Jet先导级，改善了整阀的动态特性。大流量阀内流道设计，大幅度增大了阀的额定流量。主阀芯位置采 用位移传感器进行电反馈，内置式电子放大器对阀芯位移进行闭环 控制。故障保险(Fail-Safe)功能可保障在出现意外断电故障时机器设备处于安全位置。常用型号：D661；D662；D663；D664；D665等。

型号：
D661-4651
D661-4636
D661-6319C
D661-011A
D661-027C
D661-030C
D661-031A
D661-039C
D661-043D
D661-053D
D661-061D
D661-1701E
D661-1702E
D661-1703E
D661-1704E
D661-1705E
D661-1705E-5
D661-1709E
D661-1710E
D661-1715E-4
D661-1719F
D661-1722E-5
D661-1727E
D661-1729E
D661-1730E
D661-188D-4
D661-188D-5
D661-1901E
D661-1906E-4
D661-1907E-4
D661-1907E-7
D661-1912E
D661-1913E
D661-1915E-6
D661-1918E
D661-191D-5
D661-1924E
D661-1925E
D661-1926E
D661-1927E-4
D661-192D-5
D661-1931E
D661-1932E
D661-1933E-4
D661-1933E-6
D661-1937E-4
D661-1937E-6
D661-1940E
D661-1942E
D661-1943E
D661-1945E-4
D661-1945E-6
D661-1946E
D661-1954E
D661-1955E
D661-1957E
D661-1960E
D661-1962E
D661-1963E
D661-1964E
D661-1965E
D661-1966E
D661-205A
D661-212D
D661-213C
D661-214D
D661-220A
D661-246A
D661-312A
D661-312A-4
D661-318B-5
D661-318D-4
D661-318D-5
D661-319D
D661-323D
D661-324D
D661-326D
D661-344A
D661-350A
D661-351A-4
D661-351A-5
D661-353B
D661-360D
D661-364B-5
D661-365A
D661-369D
D661-371D
D661-386A
D661-393D
D661-4008
D661-4009
D661-4010
D661-4011
D661-4012
D661-4013
D661-4014
D661-4015
D661-4019
D661-4020B
D661-4021
D661-4022
D661-4023
D661-4024
D661-4025
D661-4026
D661-4027
D661-4028
D661-4029
D661-4030
D661-4031
D661-4032B
D661-4033
D661-4034
D661-4035
D661-4036
D661-4038
D661-4039
D661-4040
D661-4041
D661-4042
D661-4043
D661-4044
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
D661-4147
D661-4148
D661-4149
D661-4150
D661-4151B
D661-4152B
D661-4154
D661-4155B
D661-4156
D661-4157B
D661-4158B
D661-4159
D661-4160
D661-4165
D661-4166
D661-4167B
D661-4168
D661-4169
D661-416D
D661-4170
D661-4172
D661-4173
D661-4174
D661-4175
D661-4177
D661-4178
D661-4179B
D661-4180
D661-4181
D661-4182
D661-4183
D661-4184
D661-4185
D661-4186
D661-4187
D661-4188
D661-4189
D661-4190
D661-4191
D661-421D
D661-422D
D661-4300E
D661-4302E
D661-4303E
D661-4304C
D661-4305E
D661-4306C
D661-4307C
D661-4308G
D661-4309C
D661-4310C
D661-4311C
D661-4312C
D661-4313C
D661-4315C
D661-4316E
D661-4317C
D661-4318E
D661-4319E
D661-431D-4
D661-431D-5
D661-4320E
D661-4321C
D661-4322E
D661-4323C
D661-4324C
D661-4325C
D661-4326C
D661-4327C
D661-4328C
D661-4329C
D661-4330C
D661-4331C
D661-4332C
D661-4333C
D661-4334C
D661-4335E
D661-4336C
D661-4337E
D661-4338E
D661-4339C
D661-4340C
D661-4341C
D661-4342C
D661-4343E
D661-4344C
D661-4345C
D661-4346E
D661-4347C
D661-4348C
D661-4349C
D661-4352C
D661-4353C
D661-4354C
D661-4355C
D661-4356C
D661-4357C
D661-4358C
D661-4360E
D661-4361E
D661-4362E
D661-4363C
D661-4364C
D661-4365C
D661-4366C
D661-4367C
D661-4368C