Rexroth R900550284 4WE6H73A6X/EG24N9K4/A12
Type:Rexroth R900550284 4WE6H73A6X/EG24N9K4/A12
Rexroth R900550284 4WE6H73A6X/EG24N9K4/A12
The Rexroth R900550284, part of the 4WE6 series, is a high-performance, direct-operated directional spool valve. This solenoid-actuated valve, model 4WE6H73A6X/EG24N9K4/A12, is designed for controlling the start, stop, and direction of fluid flow in hydraulic systems. It features a size NG6 (CETOP 03) mounting interface, a “H73A” spool configuration (3-position, 4-way, spring-centered, with all ports blocked in the center position), and is operated by a 24V DC solenoid. The electrical connection is a DIN EN 175301-803 type K4 connector, which includes an indicator light and protective diode. The “/A12” suffix in the model code typically indicates a specific variant, often related to sealing materials such as FKM (Viton) for broader fluid compatibility and temperature ranges.
Technical Specifications:
- Valve Type: Direct operated directional spool valve
- Series: 4WE6
- Component Series: 6X (Generation 6)
- Model Code: 4WE6H73A6X/EG24N9K4/A12
- Nominal Size: NG6 (CETOP 03)
- Mounting Pattern: ISO 4401-03-02-0-05 (NFPA T3.5.1 R2-2002 D03)
- Spool Symbol: H73A (3-position, 4-way, spring-centered; center position: all ports P, A, B, T blocked; solenoid ‘a’ energized: P→B, A→T; solenoid ‘b’ energized: P→A, B→T)
- Actuation Type: Solenoid, wet-pin DC (E)
- Solenoid Voltage: 24V DC (G24)
- Electrical Connection: Individual connector K4 according to DIN EN 175301-803, with LED and protective diode
- Manual Override: Yes, concealed (N9)
- Sealing Material: Likely FKM (Viton) due to /A12 designation
- Maximum Operating Pressure (Ports P, A, B): Up to 350 bar (5075 psi)
- Maximum Operating Pressure (Port T): Up to 210 bar (3045 psi)
- Maximum Flow Rate: Up to 80 l/min (21 GPM)
- Hydraulic Fluid: Mineral oil (HL, HLP) according to DIN 51524; other fluids on request.
- Fluid Temperature Range (with FKM seals): Approx. -20°C to +80°C (-4°F to +176°F)
- Viscosity Range: 2.8 to 500 mm²/s
| Brand | Rexroth |
|---|---|
| Model | R900550284 4WE6H73A6X/EG24N9K4/A12 |
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