EN
Proportional Valve 4WRA
Highlights and Innovations
1.Integrated Electronic Control
2.Flexible Control and Feedback
3.Robust Design and High Performance
- Feature
- Model code
- Related Products
Feature:
1.Direct actuated proportional valve for controlling the direction and volume flow of a hydraulic fluid
2.For subplate mounting
3.For the open loop control of both direction and flow of a hydraulic fluid Spring centred control spool
4.Low pressure drop across the control lands
5.Both valve and electronic control from one supplier
| Product | 4WRA |
| Application |
1.Oilfield Special Vehicles 2.Construction Machinery 3.Plastics Machinery 4.Mining Machinery 5.Various Hydraulic Machinery and Systems |
| Displacement/Size | -6, -10 |
| Control types | proportional solenoids |
| Max pressure | 31.5 MPa |
| Max Speed | / |
| Max Flow | 75 L/min |
| Material | Cast Iron |
| Guarantee Period | / |
| Customization or not | / |
| General | |||
| Nominal size | NS | 6 10 | |
| Installation | optional,preferably horizontal | ||
| Storage temperature range | ℃ | -20 to+80 | |
| Ambient | 4WRA | ℃ | -20 to+70 |
| temperature range | 4WRAE | ℃ | -20 to+50 |
| Weight | 4WRA | kg | 2.0 6.6 |
| 4WRAE | kg | 2.2 6.8 | |
| Hydraulic(measured with HLP46,2il=40C±5℃) | |||
| Max.operating pressure | Ports A,B,P | bar | 315 |
| Port T | bar | 210 | |
| Nominal flow qv nomat △p=10 bar | I/min | 7,15,26 30,60 | |
| Max.permissible flow | I/min | 42(80)¹ 75(140)¹ | |
| Pressure fluid | mineral oil(HL,HLP)to DIN 51524 | ||
| other pressure fluids on request! | |||
| Pressure fluid temperature range | ℃ | -20 to +80(preferably +40 to+50) | |
| Viscosity range | mm²/s | 20 to 380(preferably 30 to 46) | |
| Max.permissible degree of pressure fluid contamination cleanlisness class to ISO 4406(c) | class 20/18/152) | ||
| Hysteresis | % | ≤5 | |
| Reversal error | % | ≤1 | |
| Response sensitivity | % | ≤0.5 | |
