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Help CenterCopper Powder Sintered Filter for Hydraulic Oil Filtration, 10 Micron, 1/2" NPT
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory presents our Copper Powder Sintered Filter for Hydraulic Oil Filtration – designed to deliver reliable, consistent filtration in demanding hydraulic systems. With an annual export value exceeding US$5 million, we supply high-performance filters to clients across North America, South America, Europe, and Asia. This 10 micron filter offers exceptional removal of solid contaminants, protecting your equipment and extending oil life.
Our sintered copper powder filter element is manufactured through a precision powder metallurgy process, creating a rigid, porous structure with uniform pore distribution. It provides excellent mechanical strength, high dirt-holding capacity, and resistance to pressure surges. The 1/2" NPT male thread connection allows easy installation into standard hydraulic systems. Unlike disposable paper or fiber filters, this metal filter is fully cleanable and reusable, reducing operational costs and waste.
Key Features & Benefits
- Superior Filtration Precision: 10 micron absolute rating effectively removes fine particles, wear debris, and sludge from hydraulic oil, minimizing component wear.
- High Strength & Durability: Sintered copper structure withstands high pressure differentials (up to 300 psi) and thermal shocks without deformation.
- Excellent Chemical Compatibility: Resistant to mineral oils, synthetic hydraulic fluids, and many industrial chemicals – ideal for long-term use.
- Easy Maintenance: Cleanable via backflushing, ultrasonic cleaning, or chemical rinsing; reusable hundreds of times, lowering total cost of ownership.
- Consistent Performance: Uniform pore size distribution ensures stable flow rates and filtration efficiency over the entire service life.
- Multiple Configuration Options: Available in various lengths, end cap styles, and O-ring materials to fit specific housings.
Technical Specifications
| Parameter | Value |
| Material | Copper powder (sintered) |
| Filtration Rating | 10 μm nominal / 15 μm absolute |
| Connection Size | 1/2" NPT male thread |
| Max Operating Pressure | 300 psi (20 bar) – higher available on request |
| Max Operating Temperature | 200°C (392°F) – with appropriate seal materials |
| Length | Standard 4" (100 mm) – customizable |
| Outer Diameter | 1.5" (38 mm) – can be adjusted |
| Filtration Area | Approx. 0.3 ft² (0.028 m²) per inch of length |
Our filters are widely used in hydraulic power units, lubrication systems, gear boxes, and industrial machinery where clean oil is critical. The sintered copper structure provides a depth filtration effect, trapping particles throughout the material thickness rather than only on the surface. This results in higher dirt-holding capacity and longer service intervals compared to surface-type filters.
Each filter undergoes rigorous quality control testing including bubble point verification, pressure resistance, and flow rate measurement. We offer customization services such as adjusting length, adding end caps with O-rings, or changing thread types to meet your specific system requirements.
Trusted by Global Customers
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has supplied filters to customers in more than 15 countries across North America, South America, Europe, and Asia. Our annual export turnover of US$5–10 million demonstrates our commitment to quality and reliability. We ship from multiple ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and cost-effective delivery worldwide.
We understand that hydraulic system downtime is expensive. Our copper powder sintered filters are built to last, reducing maintenance frequency and prolonging equipment life. Choose our filter for a cost-effective, environmentally friendly solution that outperforms disposable alternatives.
Contact us today to discuss your specific filtration needs, request a sample, or place a bulk order. Our team will provide technical support and recommend the optimal filter configuration for your application.
Frequently Asked Questions
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Q: Can this filter be cleaned and reused?
Yes, the sintered copper filter is fully cleanable. You can backflush it with clean oil, use ultrasonic cleaning, or soak in a suitable solvent. Reusable hundreds of times. -
Q: What is the maximum pressure drop allowed?
We recommend replacing or cleaning the filter when the differential pressure reaches 1.5 bar (22 psi). The element can withstand up to 20 bar without collapsing. -
Q: Is this filter compatible with water-based hydraulic fluids?
Copper is generally not recommended for water-glycol or high-water-content fluids due to corrosion risk. For such applications, we offer stainless steel sintered filters – please inquire. -
Q: What is the standard length?
Standard length is 4 inches (100 mm). We can customize lengths from 1 inch to 12 inches or more based on your housing dimensions. -
Q: Do you provide O-ring seals with the filter?
Yes, we can add O-rings made of NBR, FKM (Viton), or silicone according to your temperature and fluid compatibility requirements. -
Q: What is the typical lead time?
For standard sizes, lead time is 15–20 working days. Custom orders may take 25–30 days depending on complexity. -
Q: Can you provide samples for testing?
Absolutely. We offer samples for evaluation, with shipping costs covered by the customer. Sample orders are welcome. -
Q: What certifications do you have?
We follow strict internal quality control procedures. Specific certifications can be provided upon request – please contact our sales team for details.
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