 The Electrohydraulic valve (EHV) is
intended for opening/closing a line delivering kerosene to the LRE gas generator.
Reliability of the valve is ensured by:
- low friction in moving pairs;
- high leak-proofness of the closing element;
- high response.
Inlet pressure, MPa:
- opening
- closing |
0…3
0…30 |
| Type | Normally closed |
| Flow passage conventional diameter, mm | 10 |
| Working pressure, MPa | 0…30 |
| Working medium | Kerosene, air |
| Range of working temperatures, °C | -30…+50 |
Pressure of, MPa:
- opening, min
- closing, max |
3
30 |
| Coefficient of hydraulic losses, max | 50 |
| External leak rate, scc/s, max | 10-6 |
| Air leak rate, scc/s, max | 0,2 |
Time of, s:
- opening, max
- closing |
0,05
0,02…0,05 |
| Feed voltage, V | 24…32 | | Kind of current | direct |
| Max power consumption of the electric magnet, W | 64 |
| Resistance of magnet's winding, Ohm | 21±0,5 |
| Mass, kg, max | 1,2 |
The valve is manufactured serially and used in the space-rocket technology. Application in other industry
branches is possible. |
Development of company
