Leaf Filter and Diastar Filter Bags
High-performance leaf filter bags are engineered for vacuum and pressure leaf filters, to achieve high, constant flow rates, reduced scaling, and long service life across process industries
Uninterrupted Flow, Maximum Recovery.
High Flow Rate
High flow rates with excellent particle retention, no bypass, reduced scaling, and zero product loss.
Built to Last
Robust fabrics and reinforced seams and sealings deliver long service life, reducing downtime and replacement costs.
The Right Solution for Your Filtration Challenge
Sefar leaf filter bags are optimized for vacuum, pressure, and multichannel bag systems across chemical, mineral, and food processes. We offer customized solutions with exceptional filtration performance, long service life, and easy installation.
Pressure Leaf Filter Bags
Robust construction provides sealing strength, dimensional stability, and long service life under high pressure and temperature cycling.
Filter Media Technology
We offer a wide range of monofilament and multifilament fabrics tailored for leaf filter systems. Whether it’s for a maximum flow rate, chemical resistance, or fine particle retention, our filter media ensures reliable filtration performance.
SEFAR TETEX® MONO monofilament fabrics offer excellent cake release and low clogging. They are ideal for processes where cleanability, quick rinsing and consistent flow are essential, such as alumina clarification, and sugar juice filtration.
SEFAR TETEX® MULTI multifilament fabrics offer superior particle retention and low filtrate turbidity, such as in pigment processing. The soft, flexible structure adapts to the frame conditions while protecting fragile solids and maintaining filter integrity.
Made to Fit
Patented Closures
Secure, user-friendly closures ensure leak-tight performance and quick installation, even on large filter units.
- Chemical and Thermal Resistance
Made from a broad range of polymers to meet specific chemical and thermal demands, ensuring stable, long-term filter performance. - Mechanical Properties
Engineered for heavy loads and high pressure, with optimized strength and dimensional stability for maximum service life and reliable performance. - Filter Efficiency
A broad pore size range from 1–150 µm provides suitability for processing various slurries, ensuring precise particle retention, constant high flow rates, and low filtrate turbidity across all applications.
Sefar leaf filter bags are compatible with equipment from leading manufacturers, including:
Amafilter, Choquenet, Durco, Gaudfrin, Sharplex, Twin Filter, Moore, Miningtech, Metso, Niagara Putsch, Scheibler, and Westech
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Process Filtration Overview
Learn more about our process filtration solutions.
Alumina production demands leaf filter bags that withstand caustic cleaning, scaling, over-flocculation, and high temperatures. Our pressure and multichannel bags for Kelly and Diastar filters ensure tight sealing, high flow, dimensional stability, and extended service life in harsh conditions.
In sugar production, consistent filtrate clarity and low maintenance are essential. Sefar multichannel leaf filter bags provide even flow distribution and resist clogging, minimizing downtime and ensuring stable performance throughout the process.
Dedicated Support, Worldwide
We support your operations with local expertise, reliable supply, and certified products designed to meet strict industry standards.
Global Reach, Local Expertise
Managing multi-site operations means dealing with shifting regulations, supply challenges, and cost pressure. With regional production hubs and vertically integrated manufacturing, we ensure reliable availability, consistent quality, and fast, expert support, wherever you operate.
Certified Performance, Built to Last
In regulated industries, material compliance and reliability are essential. By controlling every step from yarn production to finished filters, we ensure consistent quality, full traceability, and certified solutions that reduce risk and support long-term process stability.
