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| Filtration Media | Wire Mesh 50 µm |
| Media type | Wire Mesh |
| Filtration Rating | 50 µm |
| Flow direction | Out-In |
| Total Height | 196 mm (7 23/32") |
| Bypass Valve Opening Pressure | 3 bar (44 PSI) |
| Largest Inner Diameter | 48.5 mm (1 29/32") |
| Smallest Inner Diameter | 46 mm (1 13/16") |
| Largest Outer Diameter | 95 mm (3 3/4") |
| Stat. HS-Code | 84149000 |
| Country of Manufacture | China |
| Brand | Code |
|---|---|
| Fai Filtri | R-0330-S50-NHA |
| Fleetguard | ST1471 |
| Hydac | 0330R050WHC |
| Hydac | 315821 |
| Oxfil | HF.9145 |
| Spare Part Mart | SPM-HYD-1781 |
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Continuous-Duty Hydraulic Systems
For machinery operating around the clock, the wire mesh media resists premature clogging, maintaining stable flow and minimising unplanned downtime. The 50-micron rating captures abrasive particles without restricting oil flow, and the 3-bar bypass protects the circuit under high differential pressure.
Dusty or Contaminated Environments
In construction, mining, or agricultural settings, airborne dust and debris accelerate component wear. This filter effectively removes contaminants that would otherwise score cylinders and valves, helping extend equipment life when replaced at regular intervals.
Preventive Maintenance Schedules
Stocking this filter as part of a planned filter change program lowers inventory costs while covering multiple cross-referenced brands. The direct-fit design simplifies replacement in Hydac housings, making it a practical choice for maintenance teams managing mixed fleets.
Cold-Start Protection
During low-temperature start-ups, thick oil can strain the hydraulic system. The 3-bar bypass valve ensures immediate flow until the media warms, preventing cavitation and component starvation. The robust wire mesh construction withstands cold-flow stresses without collapsing.
Yes, this filter fits Hydac hydraulic filter housings and directly replaces elements from Fai Filtri, Fleetguard-ST, Hydac, and Oxfil. It matches the original dimensions and sealing surfaces. If your current filter shares these cross-references, this filter will fit.
The filter uses a durable wire mesh media with a nominal rating of 50 microns. While mesh can be cleaned in some applications, replacement is recommended for reliable protection. This rating suits general hydraulic systems where fine particulate control is required.
Total height is 196 mm, largest outer diameter 95 mm, largest inner diameter 48.5 mm, and smallest inner diameter 46 mm. It is a drop-in element, so no special tools are needed beyond standard filter wrenches for the housing. Always lubricate the seal and check for leaks after installation.
No, this filter is an aftermarket filter, not a genuine Hydac part. It is manufactured to match the original's form, fit, and function, providing a cost-effective alternative. It is backed by our quality guarantees and sourcing standards.
Follow the equipment manufacturer's recommended service intervals. Typical hydraulic filter changes occur every 500 to 1000 operating hours, but this varies with contamination levels and duty cycle. Inspect regularly and replace when pressure drop indicates loading.
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