This 304 stainless steel sintered filter cartridge is an advanced filtration assembly designed for harsh applications involving high temperatures, corrosive media, and fine particulate matter. The cartridge is constructed from randomly stacked 304 sintered felt material, bonded together through a strictly controlled sintering process to create a robust, porous felt structure that achieves an optimal balance between filtration area and compact design.
This filter cartridge offers reliable depth filtration performance, excellent thermal stability, and superior chemical resistance, making it ideal for protecting critical equipment in harsh industrial environments.
The following table summarizes the key specifications for this sintered felt filter element.
| Outer diameter | 49 mm |
| Height | 120 mm |
| Working temperature | -20~+100℃ |
| Filter layer | 304 stainless steel sintered felt |
| Filtration rate | 5~100 μm |
| Customized | Yes |
| Origin | Henan,China |
| Brand | Huahang Filter |
This sintered filter is suitable for precision filtration in the following industries:
This sintered filter is manufactured by Huahang Filter, leveraging expertise in powder sintering technology and metallurgy. We focus on producing reliable, application-specific metal filters. Our controlled sintering process ensures consistent pore structure and performance in every batch. We provide technical support for material selection and can offer custom versions of this platform element with different end fittings, lengths, or surface treatments to meet unique system integration needs.
Contact us for more details about these metal sintered filters.
Q1: How does a sintered felt element differ from a sintered mesh filter?
A1: The core difference is the filtration mechanism and structure. Sintered Felt provides true depth filtration with very high porosity and dirt capacity, ideal for high-flow gas or pre-filtration. Sintered Wire Mesh offers more precise surface/sieving filtration with easier cleanability, better for final polishing of liquids. Felt has higher capacity; mesh offers easier maintenance.
Q2: How is this filter cleaned, and can it be fully regenerated?
A2: Yes, it is designed for multiple regeneration cycles. Effective cleaning methods include ultrasonic cleaning, careful backflushing, or thermal decomposition (burn-off) for organic contaminants. Its depth-loading nature means some trapped fines may remain, but its high capacity allows for many effective service cycles.
Q3: How do I determine the replacement interval?
A3: Monitor the pressure differential across the filter. A gradual increase is normal. When the ΔP reaches a level that impacts system performance or the maximum recommended limit, the element should be cleaned. Replacement is typically needed only if cleaning no longer restores acceptable flow or if physical damage is observed.
Q4: How high a temperature can sintered felt filter cartridges withstand?
A4: Standard stainless steel (304/316) sintered felt can operate continuously at temperatures up to approximately 500°C (932°F). Special alloys can achieve even higher temperature resistance.
Q5: Is sintered felt material resistant to chemical corrosion?
A5: Chemical compatibility depends on the metal alloy. While standard stainless steel can withstand a variety of liquids, special alloys such as Hastelloy or Monel are required for full compatibility in highly corrosive applications.
Q6: Why is the initial cost of sintered felt filter cartridges higher? Is it worthwhile?
A6: Although the initial cost is higher, the total cost of ownership (TCO) is significantly lower. Its advantages include long-term reusability, reduced downtime, and reliable operation even under extreme conditions where other filters fail, making it a cost-effective long-term investment.
