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Help CenterAcid Pickled 316L Sintered Felt Filter Element, 0.5 Micron, 89mm OD, 1000mm Length for Oil Filtration
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 specializing in advanced filtration solutions. Our Acid Pickled 316L Sintered Felt Filter Element is engineered for superior oil filtration, delivering exceptional removal of fine particles down to 0.5 micron. With an outer diameter of 89mm and a length of 1000mm, this filter element combines high dirt-holding capacity with low pressure drop, making it ideal for demanding industrial oil systems. Backed by over two decades of expertise and a global export network, we offer a product that ensures consistent performance and extended service life.
Key Features & Benefits:
- Premium 316L Stainless Steel Material: Corrosion-resistant and durable, even in harsh acidic environments, thanks to the acid pickling process that removes surface impurities and enhances cleanliness.
- 0.5 Micron Filtration Precision: Captures sub-micron particles, including silt, wear debris, and oxidation byproducts, ensuring high purity of lubricating and hydraulic oils.
- Sintered Felt Structure: Multilayer metal fiber felt sintered together provides a rigid, porous matrix with high porosity (up to 80%) and excellent depth filtration performance.
- High Dirt-Holding Capacity: The depth filtration design allows for longer intervals between replacement, reducing downtime and maintenance costs.
- Low Pressure Drop: Optimized pore structure minimizes flow resistance, maintaining system efficiency even under high flow rates.
- Acid Pickled Surface: Improves corrosion resistance and removes any manufacturing residues, ensuring compatibility with a wide range of oils and fluids.
- Customizable End Caps: Available in various configurations (e.g., open end, double open end, gasket, or threaded) to fit different filter housings.
- High Temperature Resistance: Suitable for continuous operation up to 480°C (896°F) in non-oxidizing environments, with optional variants for higher temperatures.
Technical Specifications:
| Parameter | Value |
| Material | 316L Stainless Steel |
| Filtration Rating | 0.5 micron (absolute) |
| Outer Diameter | 89 mm (3.5 inches) |
| Length | 1000 mm (39.4 inches) |
| Surface Treatment | Acid Pickled |
| Porosity | 70% – 80% |
| Max Operating Temperature | 480°C (896°F) in air; higher in inert gas |
| End Cap Connection | Customizable (e.g., 2″ NPT, flange, or plain) |
Applications: This filter element is widely used in oil filtration systems for power generation, marine, steel mills, chemical processing, and hydraulic equipment. It effectively removes contaminants from lubricating oils, hydraulic fluids, quenching oils, and cutting fluids, protecting downstream components and extending oil life.
Why Choose Our Factory? Anping County Boli Hardware Wiremesh Products Factory has been a leading manufacturer of wire mesh and filtration products since 1998. With an annual export value of US$5-10 Million, we serve clients across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. We pride ourselves on rigorous quality control and the ability to customize filters to meet specific requirements. Every element undergoes strict testing for filtration efficiency, pressure drop, and material integrity before leaving our factory.
Frequently Asked Questions:
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Q: What is the difference between sintered felt and woven mesh?
A: Sintered felt is a non-woven structure made of metal fibers compressed and sintered, offering higher porosity and depth filtration, while woven mesh is a surface filter. Sintered felt provides better dirt-holding capacity and finer filtration ratings. -
Q: Can this filter be cleaned and reused?
A: Yes, the 316L sintered felt is robust and can be cleaned by backwashing, ultrasonic cleaning, or chemical methods, depending on the contaminant. However, for critical applications, we recommend replacement after a certain service life. -
Q: What is the maximum flow rate for this element?
A: Flow rate depends on fluid viscosity and system pressure. For a typical hydraulic oil with viscosity 32 cSt, a 1000mm length element can handle approximately 100-150 L/min. Please consult our technical team for exact sizing. -
Q: Is the acid pickling process safe for sensitive oils?
A: Absolutely. The acid pickling removes any oxide scale and contaminants from the surface, and is followed by thorough rinsing, leaving a clean, passive surface that does not react with oils. -
Q: Do you offer custom lengths or diameters?
A: Yes, we can customize the outer diameter, length, and end cap configuration to fit your housing. Minimum order quantities may apply for custom sizes. -
Q: What certifications does your factory hold?
A: Our quality management system follows ISO standards, but specific certifications can be provided upon request. We ensure each product meets strict internal quality criteria. -
Q: How long is the lead time for standard orders?
A: For standard 89mm OD x 1000mm length elements, lead time is typically 15-20 working days after order confirmation. Expedited shipping is available for urgent orders. -
Q: Can this filter be used for water filtration?
A: While designed for oil, the 316L material is also suitable for water-based fluids. However, the 0.5 micron rating may cause high pressure drop in water; we recommend our coarser grades for water applications.
Contact Us Today to discuss your oil filtration needs. With our extensive manufacturing experience and global logistics network, we are confident in providing you with a reliable, cost-effective solution. Request a quote or sample to experience the quality of our acid pickled 316L sintered felt filter elements.
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