The Micro-Architecture of Precision Filter Discs
In continuous polymer extrusion and high-pressure fluid loops, single-layer mesh screens can suffer from localized wire displacement under dynamic pressure surges. This leads to pore aperture enlargement, allowing gel particles and particulate contaminants to bypass into the molten polymer or refined fluid stream.
Our Premium Stainless Steel Wire Mesh Filter Discs & Multi-Layer Screen Packs resolve this challenge through advanced edge-bonding and engineered multi-layer layering technology.
By combining fine filtration mesh with robust coarse support screens, each pack forms a stable composite structure. Whether supplied as raw stamped single discs, spot-welded multi-layer packs, or aluminum rim-encapsulated assemblies, our filter discs withstand differential pressures up to 25 Bar without geometric distortion or edge fraying.
Details
Multi-Layer Rimmed Packs vs. Raw Stamped Discs
Our engineered multi-layer screen packs offer superior structural performance compared to standard single-layer cut discs:
| Performance Characteristic | Raw Stamped Single Discs | Our Multi-Layer Rimmed Screen Packs |
| Edge Finish | Raw cut / Bare wire ends | Hydraulic Crimped Aluminum or SS Channel Rim |
| Structural Rigidity | Flexible (Prone to flexing under load) | High Stiffness (Multi-layer support backbone) |
| Bypass Prevention | Medium Risk (Wire fraying at border) | Zero Bypass (Compressed metallic rim seals edge) |
| Pore Stability under Pressure | Moderate | Exceptional (Interlocked mesh layers absorb surges) |
| Handling Safety | Exposed sharp wire ends | Smooth Rim Surface (Safe operator installation) |
| Service Life | Short to Moderate | Extended (High dirt-holding capacity matrix) |
Key Performance Advantages Rooted in Our Manufacturing Process
● Precision Stamping & Laser Cutting: Manufactured using high-tonnage precision dies or high-accuracy laser cutting systems, delivering clean edges and precise diameter tolerances (±0.5mm) for a seamless fit inside extruder barrels and filter housings.
● Ultrasonic Solvent Degreasing: Every batch undergoes multi-stage ultrasonic solvent washing to thoroughly clean lubricant oils, metal dust, and micro-burrs, meeting food-grade and pharmaceutical purity standards.
● Versatile Perimeter Binding: Available with resistance spot welding, aluminum rim crimping, stainless steel channels, or elastomeric gaskets (Viton, Silicone) to match your specific thermal and chemical operating limits.
Send us your required operating pressure, melt temperature, element dimensions, and target micron retention. Our engineering team will supply high-precision prototypes and high-volume OEM production runs manufactured to exact tolerances.
Our address
Room 1310-5, Block A, Zhongliang Plaza, No. 345 Youyi North Street, Lianmeng Road, Xinhua District, Shijiazhuang City, Hebei Province, China 050061
Phone Number
+8615076820259
jesse@chgmetal.com
FAQ
Q: 1. What is the benefit of an aluminum-rimmed screen pack over a spot-welded pack?
A: An aluminum rim provides a complete, 360-degree mechanical seal around the outer edge of the multi-layer stack. This seal prevents fluid bypass around the border, secures loose wire ends, and acts as a compression gasket inside high-pressure extruder breaker plates.
Q: 2. How do I select the right layer combination for a multi-layer filter pack?
A: A typical pack consists of a coarse outer guard mesh (e.g., 20 mesh), an active fine filtration mesh (e.g., 200 mesh), and a heavy downstream support screen (e.g., 10 mesh). The coarse outer layers protect the fine mesh from physical impact and prevent it from sagging into breaker plate holes.
Q: 3. What information is required to order custom wire mesh filter discs?
A: We require the exact outer dimensions/diameter, layer count and mesh specifications for each layer, alloy grade (SS 304, SS 316L), border finishing type (raw edge, spot-welded, or aluminum rimmed), and required quantity.
