Core Application & Equipment Compatibility
These authentic Rexroth components are compatible with industrial automation lines, plastic injection molding machines, CNC equipment, and hydraulic power units. Targeting maintenance engineers and procurement managers, they resolve control precision loss, coil burnout, and pressure instability—key to reducing production downtime. All comply with DIN EN ISO 4401 and DIN 51524, ensuring seamless interchangeability and reliability in high-pressure (up to 350bar) environments.
1. Solenoid Valves
Rexroth solenoid valves deliver fast, precise flow direction control (≤15ms response) for automated systems. They eliminate coil burnout and spool jamming from voltage fluctuations or oil contamination. Ideal for precision machinery, they use corrosion-resistant coils and hardened spools, complying with ISO 6403 for long-term stable operation.
No. | Model | Rexroth Part Number | Material | Main Wear Causes | Damage Prevention Notes |
1 | 4WE10 G3XCG24N9K4 | N/A (Core Model) | Die-cast aluminum housing, stainless steel spool, epoxy-coated copper coil, Viton seals | Voltage fluctuations burning coils; 5μm+ particles jamming spools | Use ±5% voltage stabilizer; install 3μm inline filter (ISO 12103 Class 7) |
2 | 4WE10C50EG24N9K4M | N/A (Core Model) | Die-cast aluminum housing, stainless steel spool, epoxy-coated copper coil, NBR seals | Incompatible additives damaging seals; high humidity breaking insulation | Use DIN 51524-approved additives; test monthly insulation (≥10MΩ) |
2. 4WREE/4WRAE Series Proportional Directional Valves
These proportional valves enable precise flow and pressure regulation for heavy-duty systems, critical for plastic machinery. A packaging plant fixed control drift by cleaning spools and upgrading to 3μm filtration, extending service life. Complying with ISO 6403, they offer low hysteresis and reliable performance up to 350bar.
No. | Model | Rexroth Part Number | Material | Main Wear Causes | Damage Prevention Notes |
1 | 4WREE6W32-2X/G24K31A1V | R900911004 | Aluminum housing, stainless steel spool, copper coil, Viton seals | Voltage fluctuations burning coils; particles jamming spools | ±5% voltage stabilizer; 3μm inline filter |
2 | 4WREE6E32-2X/G24K31/A1V | R900907114 | Aluminum housing, stainless steel spool, copper coil, Viton seals | High humidity breaking insulation; sludge buildup | Moisture-proof enclosure; 4-month oil cleaning |
3 | 4WRAE10W60-2X/G24K31/A1V | R900954088 | Aluminum housing, stainless steel spool, copper coil, Viton seals | Reverse polarity burning coils; vibration loosening connectors | Pre-start polarity check; lock washers for connectors |
4 | 4WRAE10E60-2X/G24K31/F1V | R900965674 | Aluminum housing, stainless steel spool, copper coil, Viton seals | Continuous cycling overheating; seal wear leaking | Duty cycle controller; annual Viton seal replacement |
5 | 4WRAE10W1-60-2X/G24K31/F1V | R900732536 | Aluminum housing, stainless steel spool, copper coil, Viton seals | High flow eroding spools; pressure spikes damaging components | Operate below max flow; pressure buffer installation |
6 | 4WRAE10W60-2X/G24K31/F1V | R900710530 | Aluminum housing, stainless steel spool, copper coil, Viton seals | Low temperature causing spool sticking; oxidation damaging seals | Preheat oil to ≥15℃; add antioxidant |
7 | 4WRAE10E60-2X/G24N9K31/A1V | R900558356 | Aluminum housing, stainless steel spool, copper coil, Viton seals | Dust blocking vents; current overload burning coils | Monthly vent cleaning; current limiter |
8 | 4WRAE10W60-2X/G24N9K31/A1V | R900900988 | Aluminum housing, stainless steel spool, copper coil, Viton seals | Vibration misaligning spools; humidity corroding coils | Vibration-damping mounts; anti-corrosion coil spray |
9 | 4WREE10E75-2X/G24K31/A1V | R900927230 | Aluminum housing, stainless steel spool, copper coil, Viton seals | Impact damaging spools; poor ventilation overheating | Protective guard; 5cm housing clearance |
3. 3DREP/3DREPE Series Proportional Pressure Reducing Valves
These valves provide precise pressure reduction for sensitive hydraulic components, ideal for CNC machines. They prevent spring fatigue and valve jamming—solved by regular oil cleaning. Complying with DIN EN ISO 4401, they offer stable regulation (±1%) and durability in medium-high pressure circuits up to 315bar.
No. | Model | Rexroth Part Number | Material | Main Wear Causes | Damage Prevention Notes |
1 | 3DREP6C-2X/25EG24N9K4/M | R900955887 | Aluminum housing, stainless steel valve core, high-tensile spring, NBR seals | Fine particles wearing core; spring fatigue from cycling | 3μm inline filter; quarterly spring elasticity check |
2 | 3DREPE6C-21/25EG24N9K31/F1M | R900958848 | Aluminum housing, stainless steel valve core, high-tensile spring, NBR seals | High humidity corroding housing; sludge jamming core | Maintain 40-60% humidity; 4-month oil line cleaning |
3 | 3DREPE6C-21/25EG24K31/A1M | R900954427 | Aluminum housing, stainless steel valve core, high-tensile spring, NBR seals | Impact deforming valve core; seal wear causing leakage | Install shock absorber; annual NBR seal replacement |
4. DBETE Series Pressure Control Valves
DBETE series valves offer high-precision pressure regulation for hydraulic systems, critical for industrial automation. A textile mill resolved pressure drift by cleaning valve seats and replacing Viton seals. Complying with ISO 6403, they ensure reliable performance up to 315bar, with low noise and stable operation.
No. | Model | Rexroth Part Number | Material | Main Wear Causes | Damage Prevention Notes |
1 | DBETE-6X/315YG24K31F1V | R901119906 | Aluminum housing, stainless steel valve core, copper coil, Viton seals | Pressure spikes damaging springs; particles wearing core | Install pressure buffer; filter to ISO 12103 Class 8 |
2 | DBETE-6X/315YG24K31A1V | R901064278 | Aluminum housing, stainless steel valve core, copper coil, Viton seals | Seal wear from oil oxidation; humidity corroding body | Add oil antioxidant; monthly anti-corrosion spray |
3 | DBETE-6X/315G24K31/A1V | R901029969 | Aluminum housing, stainless steel valve core, copper coil, Viton seals | Vibration misaligning core; cycling fatiguing springs | Vibration-damping mounts; 24-month spring replacement |
5. HED8 Series Pressure Switches
HED8 pressure switches monitor hydraulic system pressure, triggering protection mechanisms to prevent overpressure damage. They fix contact failure from vibration or corrosion—resolved by a mining plant via anti-corrosion treatment. Complying with DIN 24313, they offer accurate pressure detection (±2%) for harsh industrial environments.
No. | Model | Rexroth Part Number | Material | Main Wear Causes | Damage Prevention Notes |
1 | HED8OH-2X/100K14 | R901102360 | Zinc-plated steel housing, copper contacts, NBR gaskets | Vibration loosening contacts; humidity corroding housing | Torque bolts to 8N·m; monthly anti-corrosion spray |
2 | HED8OH-2X/200K14 | R901099808 | Zinc-plated steel housing, copper contacts, NBR gaskets | Gasket wear from temperature cycles; dust blocking vents | Annual gasket replacement; monthly vent cleaning |
3 | HED8OH-2X/350K14 | R901101640 | Zinc-plated steel housing, copper contacts, NBR gaskets | High pressure deforming housing; contact oxidation | Operate within rated pressure; apply contact protector |
4 | HED8OA-2X/100K14 | R901102706 | Zinc-plated steel housing, copper contacts, NBR gaskets | Water contamination corroding contacts; vibration misaligning parts | Waterproof enclosure; vibration-damping mounts |
5 | HED8OA-2X/350K14 | R901102710 | Zinc-plated steel housing, copper contacts, NBR gaskets | Impact damaging housing; contact wear from frequent triggering | Install protective guard; 30-month contact inspection |
6 | HED8OP-2X/350K14 | R901106453 | Zinc-plated steel housing, copper contacts, NBR gaskets | High temperature degrading gaskets; humidity breaking insulation | Monitor temp (≤70℃); monthly insulation test (≥10MΩ) |
6. Rexroth Coils
These coils are essential accessories for Rexroth solenoid and proportional valves, delivering stable electrical signals. They prevent burnout from voltage fluctuations or humidity—solved by using stabilizers and moisture-proofing. Made with high-grade copper, they comply with IEC 60335, ensuring compatibility and long service life.
No. | Model | Rexroth Part Number | Material | Main Wear Causes | Damage Prevention Notes |
1 | Coil | R900021389 | Copper winding, epoxy resin insulation, steel core | Voltage fluctuations burning windings; humidity breaking insulation | ±5% voltage stabilizer; moisture-proof enclosure |
2 | Coil | R901175647 | Copper winding, epoxy resin insulation, steel core | Overheating from continuous operation; dust buildup | Intermittent operation; monthly compressed air cleaning |
3 | Coil | R901175657 | Copper winding, epoxy resin insulation, steel core | Reverse polarity damaging windings; vibration loosening connections | Pre-start polarity check; lock washers for connectors |
4 | Coil | R900020175 | Copper winding, epoxy resin insulation, steel core | Oil contamination corroding windings; high temp degrading insulation | Use clean DIN 51524 oil; monitor temp (≤80℃) |
5 | Coil | R900071030 | Copper winding, epoxy resin insulation, steel core | Current overload burning windings; humidity corroding core | Current limiter; anti-corrosion spray for core |
6 | Coil | R901258093 | Copper winding, epoxy resin insulation, steel core | Impact damaging insulation; sludge buildup on surface | Protective guard; 6-month surface cleaning |
7 | Coil | R900019797 | Copper winding, epoxy resin insulation, steel core | Vibration causing winding displacement; insulation breakdown | Vibration-damping mounts; monthly insulation test |
8 | Coil | R900019816 | Copper winding, epoxy resin insulation, steel core | Incompatible voltage supply; moisture corroding terminals | Match rated voltage; waterproof terminals |
9 | Coil | R900071037 | Copper winding, epoxy resin insulation, steel core | 24/7 operation overheating; terminal wear from frequent connection | Duty cycle controller; quarterly terminal inspection |
FAQs
Question | Answer |
How to extend the service life of Rexroth coils? | Use a ±5% voltage stabilizer, maintain oil cleanliness (DIN 51524), and keep humidity below 60%. Clean coils monthly, test insulation regularly (≥10MΩ), and avoid continuous 24/7 operation. |
What’s the difference between 4WREE and 4WRAE series valves? | Both are proportional directional valves; 4WREE offers higher flow precision for sensitive applications, while 4WRAE is designed for heavy-duty scenarios with stronger anti-interference. Both comply with ISO 6403. |
Procurement Guidance
Genuine Rexroth components guarantee seamless compatibility with your hydraulic systems, minimize maintenance downtime, and reduce long-term operational costs. Whether you need replacement coils, valves, or pressure switches for emergency repairs or bulk procurement for production expansion, we provide authentic products matching original specifications. Contact our team with your equipment model and component requirements to get tailored solutions and professional technical support for smooth integration.
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