MOOG穆格伺服阀结构比较复杂，造价高，对油的质量和清洁度要求高。新型的伺服阀正试图克服这些缺点，例如利用电致伸缩元件的伺服阀，使结构大为简化。另一个方向是研制特殊的工作油（如电气粘性油）。这种工作油能在电磁的作用下改变粘性系数。利用这一性质就可通过电信号直接控制油流。 MOOG部分产品型号：MOOG D661-4651/ 1156-421 G35JOAA6VSX2HA

MOOG D661-4652/ 1156-421 G15JOAA6VSX2HA

MOOG D661-4636/1156-421 G60KOAA5VSX2HA

MOOG D661-4469C/1156-421 G75KOAA6VSX2HA

MOOG D661-4697C/1156-421 G15JOAA5VSX2HA

MOOG D661-4033/ 1156-421 P80HAAF6VSX2-A

MOOG D661-4059/1156-411 P80HAAF6VSX2-B

MOOG D661-4444C/1156-421 G60JOAA6VSX2HA

MOOG D661-4443C/1156-421 G45J0AA6VSX2HA

MOOG D661-4506C/1156-421 G23J0AA6VSX2HA

MOOG D661-4539C/1156-421 G35JOAA5VSX2HA
D633-303B
D633-308B
D633-313B
D633-317B
D633-471B
MOOG电液伺服阀，穆格比例伺服阀，美国MOOG穆格 D633-472B
D633-473B
D633-481B
D633-525B
D634-538A
D661-393D
D661-4023
D661-4033
D661-4069
D661-4070
D661-4099
D661-4313C
D661-4332C
D661-4334C
D661-4438E
D661-4451C
D661-4507C
D661-4575C
D661-4576C
D661-4586E
D661-4594C
D661-4624
D661-4636
D661-4640
D661-4649
D661-4650
D661-4651
D661-4652
D661-4691C
D661-4697C
D661-4729
D661-4773
D661-4776
D661-4782
D661-4790
MOOG电液伺服阀，穆格比例伺服阀，美国MOOG穆格 D661-4826
D661-4867
D661-5611
D661-5625C
D662-1923E-4
D662-4010
D662-4014
D662-4036
D662-4037
D662-4038
D662-4065
D662-4083
D662-4099
D662-4723
D662-4846
D662-4884
D662Z1931E
D662Z4017
D662Z4336K
D662Z4341K
D662Z4378K
D662Z4380
D662Z4384K
D662Z4813
D662Z4814
D662Z4815
MOOG电液伺服阀，穆格比例伺服阀，美国MOOG穆格 D663-1922E-4
D663-306K
D663-344K
D663-4007
D663-4012
D663-4025
D663-4318K
D663-4705
D663-4769
D663-5002
D663-5304K
D663Z4305K
D663Z4307K
D663Z4322K
D664-4009
D664-4013
D664-4311K
D664-4383K
D664-4384K
D664-4714
D664Z4306K
D664Z4382K
D765-019-5 
D765-1048-5
D765-1603-5
D791-5008
D791-5045
D791-5021
D792-5002
G040-123-001
G631-3002B
G631-3004B
G631-3006B
G761-3003-5
G761-3009A
G761-3602
G761-3605

MOOG电液伺服阀，穆格比例伺服阀，美国MOOG穆格