|
Product Details:
|
| Nominal Size: | NG10 (CETOP 5) | Max. Operating Pressure: | P, A, B: 315 Bar; T Port: 210 Bar |
|---|---|---|---|
| Rated Flow: | 75 L/min (at Δp = 10 Bar) | Max. Flow: | Approx. 180 L/min |
| Supply Voltage: | 24V DC (19.4...35 VDC) |
|
Parameter |
Specification |
|---|---|
|
Model / Order No. |
4WREE10W75-2X/G24K31/A1V (R900927233) |
|
Type |
Direct-operated proportional directional valve with LVDT spool position feedback |
|
Function |
4/3-way (3 positions, 4 ports), spring-centered |
|
Nominal Size |
NG10 (CETOP 5) |
|
Max. Operating Pressure |
P, A, B: 315 bar; T port: 210 bar |
|
Rated Flow |
75 L/min (at Δp = 10 bar) |
|
Max. Flow |
Approx. 180 L/min |
|
Spool Type |
W (Overlap spool) |
|
Spool Characteristic |
Progressive (non-linear) |
|
Electronics |
Integrated On-Board Electronics (OBE) |
|
Supply Voltage |
24V DC (19.4...35 VDC) |
|
Control Signal |
±10 V DC (Analog voltage input, /A1 suffix) |
|
Feedback |
Yes (LVDT spool position sensor) |
|
Electrical Connector |
6-pin + PE plug (DIN EN 175201-804, K31) |
|
Mounting Interface |
ISO 4401-05-04-0-05 (CETOP 5 subplate) |
|
Ports (P, A, B, T) |
4x threaded (NG10 standard) |
|
Manual Override |
No |
|
Seal Material |
FKM (Viton) |
|
Suitable Media |
Mineral oils (HL, HLP), HETG, HEES, HEPG, HFDU, HFDR |
|
Media Temperature |
-20°C to +80°C (optimal 40–50°C) |
|
Viscosity Range |
10 to 400 mm²/s (recommended 20–80 mm²/s) |
|
Weight |
Approx. 6.26 kg |
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| 4WRL25V370M-3X/G24Z4/M |
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| R901382346 4WRPEH6C4B24L-3X/M/24A1 |
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Q: What is the core difference between 4WREE and 4WRAE series?
A: The 4WREE series features LVDT feedback (closed-loop control), offering high precision and better contamination resistance. The 4WRAE series (e.g., R900954083) has no LVDT (open-loop), making it more cost-effective but with lower accuracy and repeatability.
Q: What is the control signal interface?
A: The suffix /A1 indicates a ±10 V DC analog voltage command input. For a 4–20 mA current signal, select the version with the /F1 suffix.
Q: Is an external amplifier required?
A: No. The "E" in the model and the /G24K31 suffix indicate the valve has Integrated On-Board Electronics (OBE). It only requires a 24V DC power supply and the command signal to operate.
Q: What are the characteristics of the "W" spool?
A: The W-type (overlap) spool has a small dead zone at the center, providing smooth acceleration/deceleration and preventing actuator creep, making it ideal for applications requiring smooth starts and stops.
Q: What are the critical installation considerations?
A: Ensure the tank (T) port return line pressure does not exceed 210 bar. Due to its closed-loop design and precision spool, this valve requires clean hydraulic fluid (typically NAS 1638 Class 8 or ISO 4406 18/16/13 is recommended).
Contact Person: Mr. liyun
Tel: +8615280488899