KLW4120 Series Semi-automatic Electrical Pump is an upgrade version of KLW4010 series standard Electric Pump, it adds a set of control system and achieve semi-auto function. KLW series is equipped with a bigger tank of 8L. It can simultaneously applies to one or two wrenches, and can operate four wrenches at the same time with the optional components(FP4). With the high efficiency radiator, the pump can work 24 hours continuously, well competent to work on site. WREN provide after-sales service all over the world, and already got the approved by TUV certificate.
KLW4120 Series Semi-automatic Electrical Pump is an upgrade version of KLW4010 series standard Electric Pump, it adds a set of control system and achieve semi-auto function. KLW series is equipped with a bigger tank of 8L. It can simultaneously applies to one or two wrenches, and can operate four wrenches at the same time with the optional components(FP4). With the high efficiency radiator, the pump can work 24 hours continuously, well competent to work on site. WREN provide after-sales service all over the world, and already got the approved by TUV certificate.
-Simple Operation: Operate with one Button, the operator just press the button once time to achieve the task of tightening and loosening.
-High Efficiency: Compare with the general Pump, KLW4120 Semi-automatic Pump has compact operation process to reduce some needless action and increase approximate 50% of working efficiency.
-Manual/Automatic: Besides of the semi-automatic operation, the Pump also has the function of manual operation.
-Simple Operation: Operate with one Button, the operator just press the button once time to achieve the task of tightening and loosening.
-High Efficiency: Compare with the general Pump, KLW4120 Semi-automatic Pump has compact operation process to reduce some needless action and increase approximate 50% of working efficiency.
-Manual/Automatic: Besides of the semi-automatic operation, the Pump also has the function of manual operation.

| Model | KLW4120-2 | KLW4120-4 |
| Operating wrench | 2 | 4 |
| Tank capacity | 8L | 8L |
| Flow(low-mid-High) | 7-1.6-0.8 L/min | 7-1.6-0.8 L/min |
| Out put preasure | 70 ~700bar | 70~700bar |
| Source of power | 220V/50HZ | 220V/50HZ |
| Power | 1.1KW | 1.1KW |
| Weight | 27.7Kg | 29.7Kg |
| Dimension | 445x299x446mm | 445x299x446mm |

| Model | KLW4120-2 | KLW4120-4 |
| Operating wrench | 2 | 4 |
| Tank capacity | 8L | 8L |
| Flow(low-mid-High) | 7-1.6-0.8 L/min | 7-1.6-0.8 L/min |
| Out put preasure | 70 ~700bar | 70~700bar |
| Source of power | 220V/50HZ | 220V/50HZ |
| Power | 1.1KW | 1.1KW |
| Weight | 27.7Kg | 29.7Kg |
| Dimension | 445x299x446mm | 445x299x446mm |