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R928006035 High-Efficiency Glass Fiber Hydraulic Return Filter for Rexroth and GROVE GMK 4100 L-1
Technical Product Description
How the Hydraulic Return Filter Works
A hydraulic return filter is designed to capture internal wear debris and contaminants from the hydraulic fluid before it re-enters the reservoir. Positioned in the return line, this filter utilizes a depth-loading glass fiber matrix to intercept micro-particulates, preventing the "re-circulation of wear" that leads to pump cavitation and valve sticking.
Solving Critical Hydraulic System Pain Points
- Premature Component Wear: Our glass fiber media maintains high efficiency throughout its service life, protecting expensive proportional valves in GROVE GMK 4100 L-1 cranes.
- Fluid Degradation: By maintaining an absolute micron rating , our filter extends oil change intervals and reduces Total Cost of Ownership (TCO).
- High Replacement Costs: We provide a factory-direct solution that matches OEM performance with significantly improved availability and pricing.
Why Source from Our Facility?
Our filters undergo rigorous ISO 16889 multi-pass testing to validate their Beta Ratio. Unlike standard cellulose filters, our inorganic glass fiber media does not swell or degrade when exposed to aged hydraulic fluids or moisture, ensuring consistent pressure drop and structural integrity.
Technical Specifications
| Feature | Specification Data |
|---|---|
| Filter Style | DIN Standard Return Filter |
| Media Material | Multi-layer Inorganic Glass Fiber |
| Outer Diameter (OD) | 160.0 mm |
| Inner Diameter (ID) | 90.2 mm |
| Total Length | 399.0 mm |
| Seal Material | Nitrile (Buna-N) |
| Temperature Range | -30°C to +100°C |
Cross-Reference
Rexroth: R928006035
Fleetguard: ST2243 | Donaldson: P571240
Filtrec: XR1000G10B0 | HiFi: SH 84117
Hydac:1266389 | Eaton: 306607
Equipment: GROVE GMK 4100 L-1 Crane
Application Industries
- Mobile Crane Maintenance (GROVE)
- Construction & Earthmoving
- Industrial Power Units (Rexroth stations)
- Mining & Quarrying Rigs
- Metallurgy Fluid Systems
Quality
Frequently Asked Questions
Q: How do I choose the right hydraulic filter for my GROVE crane?
A: Selection must be based on OEM cross-reference and Beta Ratio. For high-pressure mobile systems, $\beta \geq 1000$ is recommended.
Q: What happens if hydraulic filter efficiency is too low?
A: It allows micro-particulates to act as abrasive "lapping compound," accelerating wear on pump vanes and valve spools.
Q: Can I use this filter in high-temperature environments?
A: Yes. Nitrile seals and glass fiber are rated up -30°C to +100°C, ideal for West Asian and South African climates.
Q: When should the R928006035 filter be replaced?
A: When the differential pressure indicator triggers or every 500-1000 hours.
Q: Does glass fiber media offer better protection than cellulose?
A: Yes. It has higher DHC, more uniform pore size, and better resistance to chemical breakdown.
Get a Technical Quote
Low MOQ | Fast Lead Times (7-15 Days) | OEM Support
WhatsApp / Wechat: +86 13328990097
Email: Sales@enginegensetparts.com
Official Website: www.enginegensetparts.com
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