Short Description:
HDR Series relief valves, with remote control port, are direct operated poppet type used to limit pressure in a hydraulic system. It has characteristics of compact structure, high performance, reliable work, low noise, and long service life. These series are widely applied to many lower flow systems.
HDR Series relief valves, with remote control port, are direct operated poppet type used to limit pressure in a hydraulic system. It has characteristics of compact structure, high performance, reliable work, low noise, and long service life. These series are widely applied to many lower flow systems.
Technical data
| Model | HDR-1/4-25 | HDR-3/8-50 | HDR-1/2-80 | HDR-3/4-120 | HDR-1-220 |
| Max Flow rate（L/min） | 25 | 50 | 80 | 120 | 220 |
| Max operating pressure（MPa） | 31.5 | ||||
| Valve body（Material）Surface treatment | （Steel body）Surface clear zinc plating | ||||
| Oil cleanliness | NAS1638 class 9 and ISO4406 class 20/18/15 | ||||
Installation Dimensions
Write your message here and send it to us
