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Specification: 6/10
Pressure: up to 315 bar
Flow: up to 180 L/min
Direct operated proportional directional valve with electrical position feedback
Closed loop control of the direction and size of a flow
Operation is by proportional solenoids with a central thread and removable coil
For subplate mounting: Porting pattern conforms to ISO 4401
Spring centred control spool
Integrated electronics (OBE) with voltage input or current input (A1 resp. F1)
4WRE separate order: analogue module amplifier
| Hydraulic | ||||
| Installation | Optional, preferably horizontal | |||
| Nominal size | 6 | 10 | ||
| Weight | 4WRE...L2X | Kg | 2.2 | 6.3 |
| 4WREE...L2X | 2.4 | 6.5 | ||
| Nominal flow qnom at Δp = 10 bar | L/min | 8, 16, 32 | 25, 50, 75 | |
| Hysteresis | % | ≤ 0.1 | ||
| Reversal span | % | ≤ 0.05 | ||
| Response sensitivity | % | ≤ 0.05 | ||
| Max.operating pressure | Ports A, B, P | bar | 315 | |
| Port T | bar | 210 | ||
| Pressure fluid | Mineral oil (HL, HLP) to DIN 51524 | |||
| Other pressure fluids on request! | ||||
| Ambient air temperature range | 4WRA...L2X | ℃ | -20℃ to 70℃ (-4° F to 158° F) | |
| 4WRAE...L2X | ℃ | -20℃ to 50℃ (-4° F to 122° F) | ||
| Viscosity range | mm?/s | 20 to 380 (preferably 30 to 46) | ||
| Fluid Cleanliness Class | NAS1638 class9 or ISO 4406 class 20/18/15 | |||
| Electrical | ||||
| 1) Solenoid data | ||||
| Nominal size | 6 | 10 | ||
| Voltage type | DC | |||
| Command value signal for 4WREE | ±10V or 4 ~ 20mA | |||
| Max.current per solenoid | A | 2.5 | ||
| Solenoid coil resistance | Cold value | Ω | 2.7 | 3.7 |
| Max.warm value | 4.05 | 5.55 | ||
| Duty | % | ED100% | ||
| Max.coil temperature | ℃ | 150 | ||
| Valve protection to EN 60529 | IP 65 | |||
| Control electronics | ||||
| Amplifier | 4WRE...L2X | VT-VSPA2-...-L2X | ||
| 4WREE...L2X | integrated in the valve(OBE) | |||
| Supply voltage | Nominal voltage | VDC | 24 | |
| Lower limiting value | V | 19.4 | ||
| Upper limiting value | V | 35 | ||
| Amplifier power consumption | Imax | A | < 2 | |
| Impulse current | A | 3 | ||