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Help Center304 Stainless Steel Sintered Metal Powder Filter Element, 0.5 Micron Filtration Rating for Gas and Liquid
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As a trusted manufacturer with over 26 years of experience (established in 1998), Anping County Boli Hardware Wiremesh Products Factory proudly presents our 304 Stainless Steel Sintered Metal Powder Filter Element with a precise 0.5 micron filtration rating. This high-performance filter is engineered for both gas and liquid applications, offering exceptional dirt-holding capacity and long service life. Our factory exports annually US$5 million to US$10 million to global markets including North America, Europe, Southeast Asia, and the Middle East, ensuring reliable quality and competitive pricing.
This filter element is manufactured using advanced sintering technology that bonds 304 stainless steel powder into a porous structure, providing uniform pore distribution and high mechanical strength. The 0.5 micron absolute rating ensures effective removal of fine particles while maintaining low pressure drop. Ideal for industries such as petrochemical, pharmaceutical, food & beverage, water treatment, and gas processing, our filter element delivers consistent performance even under harsh conditions.
Key Features & Technical Specifications
- Material: 304 stainless steel, sintered metal powder – corrosion resistant, high temperature tolerance up to 400°C.
- Filtration Rating: 0.5 micron absolute – captures particles as small as 0.5 μm with high efficiency.
- Structure: Multi-layer sintered matrix – no media migration, no fiber shedding, suitable for clean applications.
- Pressure Drop: Low initial pressure drop, stable performance over time; can be cleaned and reused multiple times.
- Custom Sizes: Available in standard lengths (10, 20, 30 inches) and diameters (2.5, 4.5, 6 inches); custom dimensions upon request.
- End Connections: Options include threaded NPT/BSP, flanged, or tri-clamp fittings for easy installation.
- Backwash Capability: Can be backwashed in place or chemically cleaned, extending service life significantly.
| Parameter | Specification |
|---|---|
| Filtration Grade | 0.5 μm (absolute) |
| Filtration Efficiency | >99.9% for particles ≥0.5 μm |
| Max Operating Temperature | 400°C (752°F) in air; up to 600°C in inert gas |
| Max Differential Pressure | 30 bar (435 psi) at 20°C |
| Porosity | 30% – 40% (depending on grade) |
| Wall Thickness | 2 – 5 mm (customizable) |
Our sintered metal powder filter elements are designed to replace traditional wound or pleated cartridges in high-temperature, high-pressure, or corrosive environments. The 304 stainless steel construction ensures excellent resistance to rust and chemical attack, making it suitable for aggressive fluids like acids, alkalis, and solvents. For gas filtration, the 0.5 micron rating effectively removes dust, oil mist, and moisture droplets, protecting downstream equipment.
Compared to disposable filters, this sintered element offers significant cost savings: it can be cleaned by ultrasonic, backwashing, or chemical methods and reused many times, reducing waste and replacement frequency. The robust design withstands repeated cleaning cycles without compromising filtration performance.
We offer flexible customization options: different lengths, diameters, end cap styles, and gasket materials (silicone, EPDM, Viton) are available. Our engineering team can provide technical support to select the optimal filter for your specific process conditions.
Trust & Reliability
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a leading manufacturer of industrial filtration products. We export US$5 million to US$10 million annually to over 30 countries, serving clients in North America, South America, Europe, Asia, Africa, and Oceania. Our factory is located in Hengshui, Hebei, China, with convenient access to Tianjin, Qingdao, Shanghai, and Foshan ports for fast global shipping. We maintain strict quality control throughout production, from raw material inspection to final testing. Each filter element is individually pressure-tested and bubble-point tested to ensure consistent 0.5 micron performance. With our experienced team and advanced manufacturing capabilities, we deliver reliable filtration solutions that meet the highest industry standards.
We invite you to contact us for a quote or sample test. Our sales engineers are ready to assist with technical inquiries, custom designs, and bulk orders. Experience the durability and efficiency of our 304 stainless steel sintered metal powder filter element – a wise investment for your critical filtration needs.
Frequently Asked Questions
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Q: What is the difference between 0.5 micron absolute and nominal rating?
A: Absolute rating means the filter will capture 99.9% of particles of that size, while nominal rating indicates a certain percentage (often 50-90%). Our 0.5 micron absolute rating guarantees high removal efficiency for critical applications. -
Q: Can this filter element be used for steam sterilization?
A: Yes, 304 stainless steel can withstand steam up to 150°C for short periods. However, for continuous steam service, we recommend 316L material. Please consult our technical team for your specific conditions. -
Q: How do I clean and reuse the filter element?
A: The sintered element can be cleaned by backwashing with clean fluid, ultrasonic cleaning in a suitable solvent, or chemical cleaning (e.g., acid wash for scale removal). Follow our recommended cleaning procedures to maximize lifespan. -
Q: What is the typical pressure drop for a 0.5 micron element?
A: Pressure drop depends on flow rate, viscosity, and fluid type. For water at 20°C and 1 m³/h flow through a 10-inch element, the initial pressure drop is approximately 0.2 bar. Detailed curves are available upon request. -
Q: Are different connection types available?
A: Yes, we offer threaded (NPT, BSP), flanged (ANSI, DIN, JIS), and tri-clamp connections. End caps can be made of the same 304SS or 316L for higher corrosion resistance. -
Q: Do you provide samples for testing before bulk order?
A: Absolutely. We can send sample units at cost. For established clients, free samples may be available. Please contact us to discuss your requirements. -
Q: What is the maximum working temperature for this filter?
A: The 304SS sintered element can operate continuously at up to 400°C in air and up to 600°C in an inert atmosphere. For higher temperatures, consider 310S or Inconel materials. -
Q: Can you customize the filter element length and diameter?
A: Yes, we produce custom sizes. Standard lengths are 10, 20, 30, 40 inches; diameters from 2.5 to 6 inches. Non-standard dimensions are available with minimum order quantities.
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