我公司有经验代理博世力士乐（BOSCH-REXROTH）、阿托斯ATOS、派克Parker、迪普马DUPLOMATIC、油研YUKEN;本特利bentley、贝加莱B&R、西门子、光洋KOYO，美国ASCO，美国PARKER派克 等系列进口产品
所以使用比例阀或伺服阀的目的就是：以电控方式实现对流量的节流控制（当然经过结构上的改动也可实现压力控制等），既然是节流控制，就必然有能量损失，伺服阀和其它阀不同的是，它的能量损失更大一些，因为它需要一定的流量来维持前置级控制油路的工作。
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4WEH32Z6X/6EG24N9SK4/B10
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4WEH32L6X/6EG24N9SK4/B10
2FRM5-30/3L
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3DREP 6C-14/2高等/24K4M
3DREP 6C-14/2高等/24K4M
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3WE6A.6X/EG24N9K4
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4WE6D6X/EG24N9K4/V 插头00059292带插头
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4WEH16Q7X/6EG24N9K4+Z5L（带灯插头）
4WEH16Q7X/6EG24N9K4+Z5L（带灯插头）
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4WEH32Q6X/CG24N9K4+Z5L（带灯插头）
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DR10-5-45/100YM（系列号：00403624）
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DR20-5-5X/200Y
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S1高等1
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S30P1
SL10PA1-4X/
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SL30PA1-4X
SV10PB1-4X
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Z1S6P1-3X/V
Z2DB10VC2-4X/315
Z2FS10
Z2FS10.5.3X/V
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Z2FS10-7-3X
Z2FS16-31/S
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Z2FS6
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Z2FS6-2-43/1QV
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Z2FS6-2-4X/2Q
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Z2S6B
Z2S6B-40
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ZDB10VB2-41/100V
ZDB10VB2-4X/200V
ZDB6VA1-4X/50V
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ZDB6VP2-40/315
ZDB6VP2-4X/100V
ZDB6VP2-4X/200
ZDR10DA-1-5X/210Y
ZDR10DA2-5X/150Y
ZDR10DB2-5X/210YM
ZDR10DP1-5X/150YM
ZDR10DP-1-5X/210Y
ZDR10DP2-5X/210YM
ZDR10P2-5X/150YM
ZDR10VA4-3X/200Y
ZDR10VA5-3X/100Y
ZDR10VB1-5X/100Y
ZDR6DA1-4X/150Y
ZDR6DA2-4X/150Y
ZDR6DA2-4X/210YM
ZDR6DAZ-4X/75YM
ZDR6DP2.1X/150YM
ZDR6DP直动式减压阀、ZDR10DP直动式减压阀、先导式减压阀、先导式减压阀、
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