Press felt is a permeable fabric belt used in paper machine press sections to remove water from paper sheets through mechanical pressure and capillary action.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Width | Matches paper machine width (typically 3-10m) | |
| Length | Customized to machine circumference (typically 10-50m) | |
| Weight | 800-2000 g/m² | |
| Thickness | 2.5-5.0 mm | |
| Compressibility | 15-40% under typical press loads | |
| Air Permeability | 50-300 cfm | |
| Tensile Strength | 200-600 N/cm |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A practical evidence checklist for RFQ preparation and supplier evaluation.
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Replacement intervals vary from 30-120 days depending on paper grade, machine speed, felt design, and maintenance practices. Monitoring permeability, surface condition, and dewatering performance helps determine optimal replacement timing.
Marking can result from felt contamination, uneven wear, improper tension, or compression irregularities. Regular cleaning, proper conditioning, and selecting felts with appropriate surface characteristics minimize marking issues.
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