A4VSO泵具有泵具有噪音低、体积小、自吸能力好、可靠性高等优点。在闭式系统上应用,油泵变量过零位时一般柱塞泵都有托盘现象,唯独D-A4VSO泵有效解决此类问题,因补油泵、控制泵可以串接、控制阀可以集成在泵盖上,其结构非常紧凑;另外,比例泵均带有位移传感器闭式反馈回路,其零位控制精度非常高。广泛应用于:冶金行业、锻压行业、船舶行业、船舶等等领域。A4VSO系列规格有40、71、125、180、250:;变量形式有恒压,恒功率、液动、负载感应、比例、伺服、压力流量复合控制形式;有开式系统泵和闭式系统泵。A10-FR01B-12,A10-FR01C-12,A10-FR01H-12,
A70-FR01BS-60,A70-FR01CS-60,A70-FR01HS-60,A70-FR01KS-60,
A90-FR01BS-60,A90-FR01CS-60,A90-FR01HS-60,A90-FR01KS-60,
A145-FR01BS-60,A145-FR01CS-60,A145-FR01HS-60,A145-FR01KS-60,
A16-F-R-01-B-K-32,A16-F-R-01-C-K-32,A16-F-R-01-H-K-32,
A22-F-R-01-B-K-32,A22-F-R-01-C-K-32,
A37-F-R-01-B-K-32,A37-F-R-01-C-K-32,A37-F-R-01-H-K-32,
A56-F-R-01-B-K-32,A56-F-R-01-C-K-32,A56-F-R-01-H-K-32,
A220-F-R-01-B-S-60,A220-F-R-01-C-S-60,A220-F-R-01-H-S-60,A220-F-R-01-K-S-60.
A125-F-R-01-B-S-60,A125-F-R-01-C-S-60,A125-F-R-01-H-S-60,A125-F-R-01-K-S-60.
A16-F-R-01-B-S-K-32,A16-F-R-01-C-S-K-32,A16-F-R-01-H-S-K-32,
A22-F-R-01-B-S-K-32,A22-F-R-01-C-S-K-32,
A37-F-R-01-B-S-K-32,A37-F-R-01-C-S-K-32,A37-F-R-01-H-S-K-32,
A56-F-R-01-B-S-K-32,A56-F-R-01-C-S-K-32,A56-F-R-01-H-S-K-32,
A70-LR01BS-60,A70-LR01CS-60,A70-LR01HS-60,A70-LR01KS-60,
A90-LR01BS-60,A90-LR01CS-60,A90-LR01HS-60,A90-LR01KS-60,
A145-LR01BS-60,A145-LR01CS-60,A145-LR01HS-60,A145-LR01KS-60,
A16-L-R-01-B-K-32,A16-L-R-01-C-K-32,A16-L-R-01-H-K-32,
A22-L-R-01-B-K-32,A22-L-R-01-C-K-32,
A37-L-R-01-B-K-32,A37-L-R-01-C-K-32,A37-L-R-01-H-K-32,
A56-L-R-01-B-K-32,A56-L-R-01-C-K-32,A56-L-R-01-H-K-32,
A220-L-R-01-B-S-60,A220-L-R-01-C-S-60,A220-L-R-01-H-S-60,A220-L-R-01-K-S-60.
A125-L-R-01-B-S-60,A125-L-R-01-C-S-60,A125-L-R-01-H-S-60,A125-L-R-01-K-S-60.
A16-L-R-01-B-S-K-32,A16-L-R-01-C-S-K-32,A16-L-R-01-H-S-K-32,
ND8型则为微处理器(μC)通过改变前置级(PR)线圈的控制电流,前置级阀门降低滑阀(SV)终端的控制压力阀柱向低压方向移动,打开到执行结构气缸顶部的气流,且打开来自活塞另一侧的气流,增加活塞上的差压使活塞移动。微处理器用控制计算一种新的控制电流,直至执行机构的新位置信号与输入信号一致为止。稳定状态下使滑阀(SV)就位,前置级(PR)阀门关闭。能由于智能阀门定位器,是基于微处理器的新一代产品具有高精度的阀门位置信号传感器输出压力传感器等,因而具有较高的控制精度达到(.5—1%),(常规电气阀门定位器精度仅为2—5%),并具有远距离组态,调试,诊断,数据管理等操作。