Hydraulic Solenoid Directional Control Valve

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3 year

Product details

1. Model Breakdown & Meaning

4WE6E61B/CG24N9Z5Lis a wet-type solenoid directional control valve manufactured by Bosch Rexroth. The model number is decoded as follows:

1. 4WE

• 4: Indicates4 ports(P, T, A, B), suitable for 3-position 4-way or 2-position 4-way valves.

• WE: Bosch Rexroth’s wet-type solenoid valve series code.

2. 6

• Nominal Diameter (DN): 6 mm (corresponding to a nominal flow rate of6 L/min; maximum backpressure ≤ 0.5 MPa).

4. 61

• Mounting & Connection:

• 6: Plate-mounted (flange connection).

• 1: Equipped with manual override.

5. B

• Solenoid Type:Type B, indicating AC/DC universal solenoid (voltage specified by suffix).

6. /CG24N9Z5L

• Solenoid & Electrical Specifications:

• C: Solenoid with protective cover (IP65 rating).

• G24: Operating voltageDC 24V(G = DC, 24V).

• N9: Electrical connector isDIN 43650B plug(with LED indicator).

• Z5L: Valve body material and finish (Z5 = zinc-plated steel, L = no special coating).

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2. Key Technical Specifications

【表格】

Parameter Description

Nominal Diameter (DN) 6 mm (flow rate: 6 L/min; max. backpressure ≤ 0.5 MPa)

Working Pressure Max. 315 bar (dependent on spool material and seals)

Solenoid Power Approx. 8W at DC 24V (inrush current ≤ 0.6A; holding current ≤ 0.3A)

Response Time ≤ 25ms (typical for energizing/de-energizing)

Ambient Temperature Solenoid: -20°C ~ +50°C

Fluid Viscosity Recommended 10~400 mm²/s (suitable for hydraulic oils N46~N460)

Internal Leakage Neutral position: ≤ 10 cm³/min (ISO 4401 test standard)

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3. Neutral Position Function (Type E)

• Port States:

• P port connected to T port (unloading).

• A port connected to B port (floating).

• Typical Applications:

• Hydraulic system unloading (reduces pump load).

• Free movement of actuators (e.g., clamp release, mold floating).

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4. Typical Applications

1. Industrial Automation

• CNC machine tool fixture control, hydraulic press slide positioning.

2. Construction Machinery

• Excavator boom/bucket hydraulic circuits, crane luffing mechanisms.

3. Agricultural Machinery

• Tractor hydraulic outputs, combine harvester steering systems.

4. Plastic Machinery

• Injection molding machine mold clamping/opening, blow molding machine clamping.

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5. Selection & Usage Considerations

1. Flow Rate Matching

• Ensure system flow rate ≤ valve nominal flow (6 L/min); excessive flow causes heating or pressure drop.

2. Voltage Compatibility

• ConfirmDC 24Vpower supply; misconnection to AC voltage damages the solenoid.

3. Mounting Orientation

• Vertical installation (solenoid facing upward) to prevent contaminant deposition.

4. Contamination Control

• Maintain fluid cleanliness atNAS 1638 Class 7orISO 4406 18/16to prevent spool sticking.

5. Maintenance Interval

• Inspect solenoid coil resistance every 2000 hours (normal value ≈ 400Ω ± 10%); replace seals as needed.

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6. Alternative Models & Competitor Comparison

• Bosch Rexroth Equivalent: 4WE10E31B/CG24N9Z5L (DN10, 10 L/min flow).

• Competitor Models:

• Parker: D1VW010BNJW (DN10, 10 L/min flow).

• YUKEN: DSG-01-2B2-D24-N1-50 (wet-type solenoid valve, DC 24V).

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