English
Español
русский
français
Deutsch
- Products
Relief Valve
The relief valve is a pressure control valve. It maintains constant pressure at inlet by discharging excess fluid in the system. Solenoids relief valve is a combination of electromagnetic directional valve and pilot-operated pressure relief valve, it is used to control or unload multi-stage pressure in hydraulic system.
Product Introduction of Relief valve
Technical specification
| Specification | 03 | 06 | 10 | ||
| 10 | 15 | 20 | 25 | 30 | |
| Max. Flow (L/min) | 250 | 500 | 500 | 500 | 650 |
| Max. Working pressure (MPa) | 35 | ||||
| Working fluid | Mineral oil; phosphate-ester | ||||
| Fluid temp. (°C) | -20~70 | ||||
| Viscosity (mm2/s) | 12~380 | ||||
| Working press (MPa) | 5 | 10 | 20 | 31.5 | 35 |
| Cleanliness | The maximum allowable cleanliness of the oil should be according to 9th degree of Standard NAS 1638. It is suggested that the minimum filter rating should be β10≥75. | ||||