特性：It is conventionally installed on an electro-hydraulic pump station or can also be installed on remote oil circuit control.
用途：Installed in an electro-hydraulic pump station for controlling the lifting and stop operation of single-acting and double-acting hydraulic jacks.
| Model | Cylinder type | Valve type | Middle position function | Control mode | Commutating voltage | Oil-way diameter | Max. Working Pressure |
| v | mm | MPa | |||||
| KET-VDR-3406 | double acting | Three position four way | O,H,Y | Solenoid valve | 220/24 | 6 | 70 |
| KET-VDR-3306 | single acting | Three position three way | O,H,Y | Solenoid valve | 220/24 | 6 | 70 |
| KET-VDR-2406 | double acting | Two position four way | – | Solenoid valve | 220/24 | 6 | 70 |
| KET-VDR-2306 | single acting | Two position three way | – | Solenoid valve | 220/24 | 6 | 70 |
| KET-VDR-3405 | double acting | Three position four way | O,H,Y | Solenoid valve | 220/24 | 5 | 70 |
| KET-VDR-3305 | single acting | Three position three way | O,H,Y | Solenoid valve | 220/24 | 5 | 70 |
| KET-VDR-2405 | double acting | Two position four way | – | Solenoid valve | 220/24 | 5 | 70 |
| KET-VDR-2305 | single acting | Two position three way | – | Electromagnetic directional | 220/24 | 5 | 70 |
