| Customization: | Available |
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| Function: | Pressure Regulating, Flow Control |
| Installation: | Plate |
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| Hydraulic | |||
| Installation | Optional, preferably horizontal | ||
| Nominal size | 6 | 10 | |
| Weight (kg) | 4WRA... 2X | 2 | 6.6 |
| Nominal flow Qvnom at △p = 10 bar (L/min) | 7, 15, 26 | 30, 60 | |
| Hysteresis (%) | ≤5 | ||
| Reversal span (%) | ≤1 | ||
| Response sensitivity (%) | ≤ 0.5 | ||
| Max.operating pressure | Ports A,B,P (bar) | 350 | |
| Port T (bar) | 210 | ||
| Pressure fluid | Mineral oil(HL,HLP) to DIN 51524 | ||
| Other pressure fluids on request! | |||
| Ambient air temperature range (ºC) | 4WRA...2X | -20°C to 70°C(-4°F to 158°F) | |
| Viscosity range (mm2/s) | 20to 380(preferably 30 to 46) | ||
| Fluid Cleanliness Class | NAS1638 class9 or ISO 4406 class 20/18/15 | ||
| Electrical | ||||
| 1)Solenoid data | ||||
| Voltage type | DC | |||
| Command value signal for 4WRA | ±10Vor4~20mA | |||
| Max.current per solenoid (A) | 2.5 | 1.5 | 0.8 | |
| Solenoid coil resistance (Ω) | Cold value at 20°C | 2 | 4.8 | 19.5 |
| Max.warm value | 3 | 7.2 | 28.8 | |
| Duty (%) | ED100% | |||
| Max.coil temperature (ºC) | 150 | |||
| Valve protection to EN60529 | IP 65 | |||
| 2) Control electronics | ||||
| Amplifier | 4WRA...2X | VT-VSPA2-...- 2X | ||
| Supply voltage (V) | Nominal voltage | 24 | ||
| Lower limiting value | 21/22(4WRA) | |||
| Upper limiting value | 35 | |||
| Amplifier power consumption (A) | Imax | <1.8 | ||
| Impulse current | 3 | |||
Huafilter is the approved distributor of Huade Hydraulic. We mainly supply Huade brand hydraulic valves including Explosion-Proof Proportional Directional Valve 4WRA 10-2X. They are of high performance and lower price.
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