Solutions
Construction Machinery Filtration Solutions
Construction machinery—such as excavators, loaders, cranes, and rollers—operates in environments with high dust levels, strong vibration, and large temperature fluctuations. Compared with ordinary vehicles, their engines, hydraulic systems, and fuel systems demand far greater reliability, filtration precision, and durability from filters. XuhaiFa provides system-based solutions and application-specific adaptations to ensure performance in diverse working conditions.
1. Construction sites and mining areas often have dust concentrations 10–50 times higher than on highways. For example, PM10 levels at quarries can exceed 5000 μg/m³. Standard air filters can clog quickly, reducing airflow, causing 10–20% loss in engine power, and in severe cases leading to cylinder or bearing damage.
2. Hydraulic systems in construction machinery operate at pressures of 300–400 bar. If particles larger than 10 μm enter the oil, pumps and cylinders wear rapidly. About 70% of hydraulic failures are caused by insufficient filtration, and repairs can be very costly.
3. Brands such as Komatsu, Caterpillar, SANY, and XCMG have many models with varying filter interfaces and flow requirements. Using the wrong filter can cause leaks, reduced filtration, or system failure. Mismatch rates in the aftermarket can exceed 20%.
Air Filters with multi-layer media capture both large particles (>5μm) and fine dust (down to 0.3μm).
Housing includes vibration-resistant features to maintain airflow under rough terrain.
Hydraulic Filters remove particles ≥10μm and separate water from hydraulic oil.
Pressure-resistant construction ensures filter integrity under 300–400 bar.
Air, Oil, and Fuel Filters designed to match major brands including Komatsu, Caterpillar, SANY, XCMG, and more.
Dimensions, interfaces, and flow specifications verified for each model to prevent mismatch.
Custom Filters available for discontinued or modified machines using 3D scanning and rapid production.
| Operating Scenario | Core Requirements | Recommended Solution |
|---|---|---|
| Mining Excavators | High dust, strong vibration | Air filter with cyclone pre-filter + dual safety elements; hydraulic oil filter upgraded to 1 μm precision |
| Municipal Rollers | Heavy dust + intermittent use | Self-cleaning air filter (timed back-blowing); fuel filter with enhanced water separation (adapted to water-spraying conditions) |
| Port Cranes | Salt spray, high humidity | Filter housings with zinc plating + electrophoretic anti-corrosion; hydraulic oil filter with moisture absorption unit |
| Plateau Loaders | Low air pressure, low temperature | Air filter with 30% increased air intake; fuel filter with integrated heating |
| Desert Bulldozers | Extreme dust, high temperature | Three-stage air filtration (pre-filter + main filter + high-efficiency filter); hydraulic oil filter with reinforced metal frame for durability |
Through these optimized designs, filtration efficiency can be improved by 40%, equipment downtime due to failures reduced by 60%, and replacement cycles extended by 50%. This significantly lowers maintenance costs and ensures that construction schedules are not disrupted by filtration-related problems.
Xuhaifa Filter Co., Ltd. is a modern enterprise that integrates research and development, production, sales, and services.
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