The custom precision filter element is a high‑accuracy, tailor‑made filtration solution for hydraulic and lubrication systems that require non‑standard dimensions or specific performance characteristics not available from off‑the‑shelf products. Designed as a direct replacement for obsolete OEM filters, custom‑built housings, or applications demanding upgraded filtration efficiency, this element eliminates the risk of bypass, poor sealing, and inadequate contaminant control that often comes with “universal” or modified filters.
The 70mm outer diameter and 360mm overall length represent a compact, high‑surface‑area format ideal for space‑constrained installations where fine filtration is critical. By maintaining superior fluid purity, it protects sensitive components such as servo valves, proportional valves, precision bearings, and tight‑clearance pumps from abrasive wear, extending equipment life and reducing unplanned downtime.
| Dimension | 70 mm x 360 mm |
| Filter layer | Customized |
| End caps | Nylon |
| Working temperature | -20~+100℃ |
| Filtration rating | 1μm, 3μm, 5μm, 7μm, 10μm (custom ratings available) |
| Package | Neutral carton package |
| Manufacturer | Huahang Filter |
This is the specification of the standard part number. We can also provide customized service. If you have needs, please contact us.
Huahang Filter is a globally recognized manufacturer and supplier of high-performance filtration solutions. Unlike distributors who simply resell stock products, Huahang is a true manufacturing powerhouse with full control over design, material selection, production, and quality assurance. Our mission is to deliver precision-engineered filtration products at factory-direct prices.
20+ Years of Industry Expertise: We’ve spent over two decades specializing in hydraulic and industrial filtration. Our engineering team averages 20 years of experience, understanding the critical requirements of precision filtration across diverse applications.
True Manufacturer with Full Process Control – Huahang controls media sourcing, assembly, and final testing in‑house, eliminating the variability that comes with third‑party supply chains. This vertical integration ensures consistent product quality, full material traceability, and the ability to customize critical parameters without depending on external suppliers.
Built to Last, Priced for Reality: Through vertical integration and lean manufacturing, we deliver filters that meet premium quality standards at prices that make sense for industrial budgets. We use premium glass fiber media and heavy-gauge steel components because cutting corners on filtration always costs more in the long run.
Factory‑Direct Support: Customers receive direct manufacturer support from Huahang‘s engineering team, not through intermediaries. This means faster cross‑reference verification, quicker responses, and access to first‑hand product data for specification and troubleshooting purposes.
Quality Assurance: ISO 9001 certified manufacturing processes ensure consistent, reliable performance across all products.
The precision filter element is suitable for a wide range of compressed air and industrial gas applications where removal of oil mist, water aerosols, and fine particulate contamination is required. It is typically installed as a final polishing filter or as part of a multi-stage filtration cascade:
Q:How do I know which filtration rating is right for my system?
A: The correct filtration rating depends on your component sensitivity. As a general guide:
1–3 µm absolute – Servo valves, proportional valves, high‑pressure EHC systems.
5–10 µm absolute – Industrial hydraulics with fine‑clearance pumps, turbine control systems.
12–20 µm absolute – Standard industrial hydraulics, mobile equipment, general lube circuits.
25–50 µm nominal – Return line filters, pre‑filters, less sensitive systems.
Q: What is the recommended service interval?
A: Replacement intervals depend on system operating conditions, fluid type, and contamination levels. Always follow the equipment manufacturer’s recommended schedule. The most accurate method is to monitor the pressure differential across the filter housing – replace when delta-P reaches the specified limit.
Q: How do I store spare precision filter elements?
A: Store in a cool, dry environment away from direct sunlight, extreme temperatures, and chemical fumes. Keep in original packaging until ready for installation to prevent pre-contamination.
