40μm Sintered Mesh Filter Element 45x750

Achieve precise, reliable, and cost-effective filtration for demanding industrial fluids with the 40μm Sintered Mesh Filter Element . This high-performance, cylindrical cartridge is manufactured through a controlled diffusion-bonding process that fuses multiple layers of stainless steel wire mesh into a single, porous monolithic structure. Engineered for absolute surface filtration at 40 microns, it delivers guaranteed particle retention, exceptional durability, and full cleanability-making it the ultimate reusable solution for applications where performance consistency and total cost of ownership are critical.

This element provides definitive protection by capturing and retaining all solid contaminants larger than its rated pore size. Its all-metal 304/316L stainless steel construction offers outstanding resistance to high temperatures, pressure surges, corrosion, and thermal shock, ensuring long-term reliability in the most challenging hydraulic, fuel, process, and gas filtration systems.

• 40 Micron Absolute Filtration: Provides removal of all particles 40 micrometers and larger, ensuring consistent fluid cleanliness and system protection.
• Fully Cleanable & Reusable: Can be repeatedly cleaned and returned to service without efficiency loss, offering dramatic savings on consumable costs and reducing environmental waste.
• Exceptional Durability: Resists high temperatures (up to 480°C / 900°F), high pressure, corrosion, and thermal cycling. Ideal for harsh chemical and thermal environments.
• High Dirt Capacity & Rigid Structure: The sintered layers provide depth-like capacity while maintaining the integrity of a rigid surface filter, preventing media migration.
• Broad Fluid Compatibility: Suitable for filtering hydraulic oil, fuel, solvents, process water, compressed air/gas, and polymer melts within the limits of stainless steel.

Below is the specification of the custom sintered filter. If you are interested in this kind of filter, please send details to get the quotation.

From this video, can help you know more details about this sintered mesh filter element.

Huahang Filter employs stringent process controls in sintering temperature, pressure, and atmosphere to create filter elements with a uniform, three-dimensional pore matrix. The 45x750mm 40μm element exemplifies this capability, providing customers with a filtration component whose performance is predictable, verifiable, and built to last.

Core Manufacturing & Quality Advantages

• Guaranteed Absolute Rating: Our sintering technology ensures consistent pore structure, providing true 40-micron absolute filtration. This means it will retain 100% of particles ≥40μm, a critical requirement for protecting sensitive downstream equipment and processes.
• Superior Material & Structural Integrity: We use certified 304 or 316L stainless steel wire. The diffusion-bonded structure yields exceptional mechanical strength, high resistance to collapse, and the ability to withstand severe pressure differentials and fluid hammer.
• Optimized Geometry for High Flow: The 45mm diameter x 750mm length design offers an ideal balance of robust mechanical support and high surface area, enabling substantial flow rates with a minimal initial pressure drop.
• Unmatched Lifecycle Economics: Designed for hundreds of cleaning cycles via backwashing, ultrasonics, or chemical methods, this element eliminates recurring disposable cartridge costs. Huahang's focus on durability delivers the lowest possible total cost of filtration.

Q: What does "40μm" mean for a sintered mesh filter?
A: It's the absolute filtration rating. Particles larger than 40 microns are retained with at least 99% efficiency (βₓ ≥ 200). The pore size is controlled by the mesh weave and sintering parameters – not a nominal or average rating.

Q: How is a sintered mesh filter different from a wire cloth or woven mesh filter?
A: Standard woven mesh (single layer) has straight‑through holes that can pass slightly undersized particles. Sintered mesh has multiple layers diffusion‑bonded together, creating a tortuous path. It captures particles more efficiently for a given micron rating and is much more rigid.

Q: Can I clean and reuse this sintered filter element?
A: Yes. That's the main reason to buy sintered mesh. Use backflushing (reverse flow), ultrasonic cleaning in a solvent bath, or chemical cleaning (soak in appropriate cleaner). Do not use steel brushes or sharp tools that could damage the mesh surface. With proper cleaning, the element can last years.

Q: What's the pressure drop at rated flow?
A: It depends on fluid viscosity and flow rate. For ISO VG 32 hydraulic oil at 40°C and typical return line flow, initial pressure drop is typically 0.2–0.5 bar. Contact Huahang with your flow rate and viscosity for a precise calculation.

Q: What happens if the filter element collapses?
A: With Huahang's sintered mesh and internal support tube, collapse is extremely unlikely under normal operating conditions. The element is rated for >8 MPa differential pressure. In comparison, paper elements often collapse at 0.5–1 MPa. If you exceed 8 MPa ΔP, you have a different system problem.

Q: Can I use this filter for gas service?
A: Yes. Sintered mesh works for both liquid and gas filtration. For gas service, the same 40μm rating applies. The element can be used for instrument air, natural gas, or process gas filtration. Ensure compatibility with gas composition (316L is fine for most).

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