随着液压传动和液压伺服系统的发展， 生产实践中出现一些即要求能够连续的控制 压力、流量和方向，又不需要其控制精度很 高的液压系统。由于普通的液压元件不能满 足具有一定的伺服性要求，而使用电液伺服 阀又由于控制精度要求不高而过于浪费，因 此近几年产生了介于普通液压元件 （开关控制） 和伺服阀 （连续控制） 之间的比例控制 阀。

R900948518 4WRZ10E50-5X/6A24N9ETK4/D3M

R900948522 4WRZ16W2-150-6X/6AG24N9EK4/D3M

R900948523 4WRZ25W2-325-5X/6A24N9K4/D3M

R900948535 4WRZ16E100-7X/6EG24N9EK4/D3V

R900948536 4WRZ25W8-220-7X/6EG24N9EK4/D3V

R900948609 4WRZE25W6-325-7X/6EG24N9ETK31/F1D3V

R900948665 4WRZ32W6-360-7X/6EG24N9ETK4/D3V

R900948667 4WRZ25W6-220-7X/6EG24N9ETK4/V

R900948691 4WRZ10E85-7X/6EG24N9K4/V

R900948754 4WRZE16E150-7X/6EG24N9EK31/F1D3V

R900948829 4WRZ16W6-100-7X/6EG24N9ETK4/D3V

R900948927 4WRZ16E100-7X/6EG24N9ETK4/D3V

R900949123 4WRZ16W8-150-7X/6EG24N9K4/V

R900949182 4WRZ10E25-7X/6EG24N9ETK4/D3V

R900949220 4WRZ16E100-7X/6EG24N9TK4/V

R900949223 4WRZ25E220-7X/6EG24N9EK4/D3V

R900949262 4WRZ25E325-5X/6A24NEK4/V

R900949315 4WRZ10W8-85-7X/6EG24N9ETK4/V

R900949330 4WRZ10E1-85-5X/6A24ETK4/D3M

R900949376 4WRZ25W6-325-7X/6EG24N9ETK4/D3V

R900949493 4WRZ16W8-100-7X/6EG24N9TK4/D3V

R900949524 4WRZ25W220-5X/6A24N9EK4/M

R900949562 4WRZ16W8-150-7X/6EG24N9K4/D3V

R900949576 4WRZE25W8-325-7X/6EG24N9K31/F1D3V

R900949577 4WRZE32W8-520-7X/6EG24N9ETK31/F1D3V

R900949660 4WRZ10W25-5X/6A24NETK4/M

R900949710 4WRZ10W6-85-7X/6EG24N9ETK4/D3V

R900949748 4WRZE25W8-220-7X/6EG24N9EK31/F1D3V

R900949749 4WRZE10W8-50-7X/6EG24N9EK31/F1D3V

R900949750 4WRZE10W6-85-7X/6EG24N9EK31/F1D3V

R900949751 4WRZE16W8-150-7X/6EG24N9EK31/F1D3V

R900949752 4WRZE16W6-100-7X/6EG24N9EK31/F1D3V

R900949753 4WRZE10W8-85-7X/6EG24N9EK31/F1D3V

R900949754 4WRZE16W8-100-7X/6EG24N9EK31/F1D3V

R900949755 4WRZE16E100-7X/6EG24N9EK31/F1D3V

R900949756 4WRZE25W8-325-7X/6EG24N9EK31/F1D3V

R900949758 4WRZE10E50-7X/6EG24N9EK31/F1D3V

R900949781 4WRZ10W6-50-7X/6EG24N9ETK4/V

R900949807 4WRZE25W8-325-7X/6EG24N9ETK31/F1D3V

R900949808 4WRZE25W8-325-7X/6EG24N9ETK31/F1V

R900949888 4WRZ32E3-520-7X/6EG24N9ETK4/V

R900950060 4WRZ10W50-5X/6A24NTK4/D3M

R900950124 4WRZ16E1-150-7X/6EG24N9K4/D3V

R900950174 4WRZ25W6-220-7X/6EG24N9EK4/V

R900950261 4WRZE25W8-325-7X/6EG24N9ETK31/A1V

R900950344 4WRZ16W8-100-7X/6EG24N9K4/V

R900950346 4WRZE16E100-7X/6EG24N9ETK31/A1D3V

R900950368 4WRZE10E85-7X/6EG24N9TK31/A1D3V

R900950524 4WRZE32W6-360-7X/6EG24N9K31/A1D3V

R900950939 4WRZ16W8-100-7X/6EG24N9ETK4/V

R900950967 4WRZ25W8-325-7X/6EG24N9K4/D3V

R900950968 4WRZ32E1-520-7X/6EG24N9K4/D3V

R900950983 4WRZ10W8-85-7X/6EG24N9ETK4/D3V

R900951109 4WRZ32W1-520-5X/6A24N9K4/D3V

R900951195 4WRZ16E150-7X/6EG24N9TK4/D3V

R900951208 4WRZE25W6-220-7X/6EG24N9ETK31/A1D3V

R900951294 4WRZ25W8-220-7X/6EG24N9ETK4/V

R900951405 4WRZ16W6-150-7X/6EG24N9TK4/D3V

R900951428 4WRZE16W6-100-7X/6EG24N9ETK31/A1D3V

R900951429 4WRZE10W6-85-7X/6EG24N9TK31/A1D3V

R900951447 4WRZ10E85-7X/6EG24N9TK4/D3V

R900951701 4WRZ10W8-50-7X/6EG24N9K4/V

R900951702 4WRZ25W8-220-7X/6EG24N9K4/D3V

R900951703 4WRZ25W8-325-7X/6EG24N9K4/V

R900951806 4WRZ10E50-7X/6EG24N9K4/D3V

R900951813 4WRZ16W1-150-6X/6AG24N9EK4/V

R900951937 4WRZ25E2-325-5X/6A24NEK4/D3M

R900952023 4WRZ16W6-100-7X/6EG24N9EK4/V

R900952053 4WRZ25E325-5X/6A24N9ETK4/M

R900952143 4WRZE10W6-50-7X/6EG24N9ETK31/F1D3V

R900952542 4WRZ16EA150-6X/6AG24NEK4/D3M

R900952623 4WRZE25W6-325-7X/6EG24K31/A1V

R900952784 4WRZ16W100-6X/6AG24NTK4/M

R900952844 4WRZ32E1-520-5X/6A24NETK4/D3M

R900952886 4WRZ16E1-100-7X/6EG24N9ETK4/V

R900952914 4WRZ25W6-220-7X/6EG24N9EK4/D3V

R900952981 4WRZ10W50-5X/6A24NK4/M

R900953027 4WRZ10E25-5X/6A24N9K4/V

R900953028 4WRZ10E25-5X/6A24NTK4/M

R900953030 4WRZ25W1-220-5X/6A24N9K4/V

R900953031 4WRZ25W1-325-5X/6A24N9K4/V

R900953095 4WRZE25E220-7X/6EG24N9ETK31/A1D3V

R900953096 4WRZE16E100-7X/6EG24N9EK31/A1D3V

R900953216 4WRZ10E25-7X/6EG24N9K4/V

R900953217 4WRZ16E1-100-7X/6EG24N9K4/V