External Thread Stainless Steel Sintered Powder Filter 25x45
We are one of the professional external thread stainless steel sintered powder filter 25x45 manufacturers specialized in offering you high-quality external thread stainless steel sintered powder filter 25x45. If you want to buy one, please feel free to contact us.
Products Description
The custom external thread stainless steel sintered powder filter element 25×45 is a precision-engineered depth filtration cartridge manufactured from fine stainless steel powder through a controlled powder metallurgy and high-temperature sintering process. This sintered powder filter is produced to your exact specifications, delivering micron-level precision filtration for demanding liquid and gas applications where high dirt-holding capacity, structural integrity, and reliable particle retention are essential.
Unlike sintered mesh filters, which consist of layered woven wire with regular, straight-through pores, sintered metal powder filters are formed by pressing and sintering fine metal powders into a solid, porous structure. This process creates a three-dimensional network of irregular, tortuous pores that provides depth filtration-particles are captured not just on the surface but throughout the entire wall thickness. This unique pore architecture results in significantly higher dirt-holding capacity compared to surface-type filters, making sintered powder elements ideal for applications with high contaminant loads or where extended service intervals are desired.
technical parameter
| Product type | Sintered Powder Filter Element |
| Dimension | 25x45 mm |
| Filter material | Stainless steel |
| Connection type | G1/8" External thread |
| Filtration rating | Customized |
| Package | Neutral carton package |
Note: All specifications are fully customizable. Provide your existing filter drawing, sample, or detailed measurements for a precise quotation.

Product Features
- G1/8″ External Thread for Direct, Leak-Free Installation : Precision-machined BSP parallel thread screws directly into standard G1/8″ ports. Provides secure fixation, prevents loosening under vibration, and eliminates the need for adapters or clamps.
- High Dirt-Holding Capacity through Depth Filtration : The three-dimensional network of irregular, tortuous pores captures particles throughout the entire wall thickness, providing 1.5‑5 times greater dirt-holding capacity than surface-type filters. Extends service intervals and reduces maintenance frequency.
- High Structural Strength and Pressure Resistance : The sintered powder structure is dimensionally stable under high pressures, with excellent mechanical strength under permanent loads, impact loading, and pressure peaks. Manufactured through compression molding and sintering processes.
- Exceptional High-Temperature Resistance : Withstands temperatures up to 900°C (SS316L). Suitable for high-temperature gas filtration, process heating applications, and extreme thermal environments.
- Cleanable and Reusable : Low Total Cost of Ownership – Supports backwashing, ultrasonic cleaning, and chemical cleaning. One element can serve for years, dramatically reducing replacement frequency and consumables cost.
application area
- Chemical Processing : Filtration of aggressive chemicals, acids, solvents, and catalysts. High-temperature and corrosion resistance ensure reliable performance in demanding chemical environments.
- Petrochemical and Oil & Gas : Solid catalyst recovery, slurry oil filtration, produced water filtration, and gas/liquid separation in refineries and processing plants.
- Hydraulic and Lubrication Systems : Installed in small-bore lubrication pipelines and hydraulic circuits to remove metal powders and mechanical impurities.
- High-Purity Gas Filtration : Specialty gas distribution, semiconductor manufacturing, and analytical instrumentation where absolute particle retention is critical.
- Pneumatic Systems : Removes particulates and oil aerosols from compressed air lines, protecting downstream instruments and equipment.
Manufacturer & supplier of sintered filter
As an ISO 9001 certified professional manufacturer, Huahang Filter is specializing in the design, production, and sale of stainless steel sintered powder filter elements, sintered mesh filters, hydraulic filters, and industrial filtration solutions. Established in 2003, the company operates from a modern manufacturing facility in Xinxiang City, Henan Province – one of China's most established filtration industry clusters.
With over two decades of continuous operation, Huahang has developed deep technical expertise in powder metallurgy processes, vacuum sintering technology, and custom filter element manufacturing. Our product portfolio includes sintered powder filter elements, sintered mesh filters, hydraulic filters, and replacement elements for major international brands.
why Choose Huahang Filter
- True Factory-Direct Custom Manufacturing : Every element is designed and produced in our ISO 9001 certified facility. No brand markups, no trading middlemen.
- 20+ Years of Sintered Powder Filtration Expertise : Huahang has specialized in sintered powder filter elements for chemical, hydraulic, and industrial applications worldwide for more than 20 years.
- High-Purity Materials with Full Traceability : SS304, SS316L, and specialty alloys including Hastelloy, Inconel, Monel, Titanium, Nickel, and Bronze. Material test reports (MTR) available with every order.
- G1/8″ External Thread for Direct Installation : Precision-machined BSP parallel thread enables quick, leak-free screw-in installation into standard G1/8″ ports.
- Depth Filtration with Superior Dirt-Holding : The tortuous, three-dimensional pore network captures particles throughout the filter wall, providing 1.5‑5× greater dirt-holding capacity than surface-type filters.
- Strict Quality Control : Raw material traceability, in-process inspections, and final dimensional verification ensure consistent, reliable quality for every filter element.

FAQ
Sintered powder filter:
- 3D porous structure
- Higher filtration precision
- Stronger mechanical stability
Wire mesh filter:
- Surface filtration
- Lower cost
- Less precise filtration
Sintered filters are better for demanding industrial conditions.
A: Yes. These filter elements are designed for extreme conditions:
- Temperature resistance: up to 600°C or higher
- High pressure resistance: suitable for industrial systems with heavy load
They are commonly used in steam, gas, and high-pressure liquid systems.
A: Selection depends on:
- Particle size in fluid or gas
- Required filtration precision
- Flow rate requirements
- Pressure drop limitations
For general industrial use, 5–20 micron is most common.
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