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Polymer melt filter discs and candles
Polymer melt filters combine a porous medium with the supporting structure and connections required by the housing. Leaf discs use a central hub and radial flow passages, while candles combine a connection, inner core, filtering layer, outer guard and locating end cap. Metal fiber felt, multilayer mesh and sintered powder are different media options; their grades and cleaning behavior are not interchangeable. Compare the reference tables with melt viscosity, temperature, contamination and the full pressure cycle. Disc size or a medium grade alone does not establish throughput. Confirm the complete assembly and the agreed acceptance checks against the housing drawing.
Sintered metal fiber filter elements
Content checked: 2026-10-30
Filter candles and discs for viscous fluids
Pleated candles and annular discs offer different mounting arrangements for polymer and other viscous-fluid filtration. Selection starts with the equipment layout, required filtration area and service method. The center seal of a disc and the end connection of a candle need separate checks.
Product-family parameters
- Element forms
- Pleated candles; annular discs
- Media families described
- Sintered metal fiber felt; multilayer sintered mesh
Confirm the selected dimensions, retention test and operating conditions before ordering. Ranges are not a single combined specification.
Typical specifications
On a small screen, scroll the table sideways to see every column.
| Nominal disc size, in | Nominal size, mm | Hub types | Media |
|---|---|---|---|
| 4.4 | 112 | Welded or crimped (soft-seal) | Fibre felt, multilayer mesh, composite |
| 5.8 / 6 | 147 / 152 | Welded or crimped | Fibre felt, multilayer mesh, composite |
| 7 | 178 | Welded or crimped | Fibre felt, multilayer mesh, composite |
| 8.75 | 222 | Welded or crimped; high-flow | Fibre felt, multilayer mesh, composite |
| 10 | 254 | Welded or crimped; high-flow | Fibre felt, multilayer mesh, composite |
| 12 | 305 | Welded or crimped; high-flow | Fibre felt, multilayer mesh, composite |
| 15 | 381 | Welded or crimped; high-flow | Fibre felt, multilayer mesh, composite |
Grades 3, 5, 7, 10, 15, 20, 25, 30, 40, 60, 80, 100 µm, absolute rating at βx ≥ 75 (≈ 98.7 %). Material 316L; 310S on request. Grades per disc size are confirmed per design. Operating temperature up to 300 °C; allowable forward ΔP up to 10 MPa (reference; confirmed per design and housing).
Reference values only; final specifications are confirmed for each custom order.
On a small screen, scroll the table sideways to see every column.
| Component / parameter | Typical execution |
|---|---|
| Media | Pleated fibre felt, multilayer mesh or sintered powder |
| Construction | Connector, inner perforated core, media, outer guard cage, locating end cap |
| Rating, µm | 3–100 (βx ≥ 75) |
| Material | 316L; 310S on request |
| Operating temperature | up to 300 °C |
| Allowable forward ΔP | up to 10 MPa (reference; confirmed per design and housing) |
| Dimensions / connection | to housing drawing (thread, flange or plug-in) |
| Cleaning | Thermal/solvent cleaning, then bubble-point check |
Reference values only; final specifications are confirmed for each custom order.
Cleaning and inspection
Agree thermal or solvent cleaning for the complete assembly, then verify the cleaned element using the agreed bubble-point and inspection procedure.
Discuss your configuration
Send a drawing, required quantity and known operating conditions. Final specifications are confirmed for each custom order.
Sintered metal filters for chemical and petrochemical processesInquiry received
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