Wastewater filter medium SEFAR TETEX DLW®

for liquid food products and beveragesfor viscous liquids2-layers

Overview
Horizontal vacuum filter belts for solid–liquid separation and dewatering in industrial processes. Available in multiple weave constructions and polymers to match chemical, thermal and mechanical requirements. SEFAR TETEX product lines support reliable cake formation, easy release and stable operation.

Key benefits

• Optimized filtration: engineered pore structures ensure precise particle retention and high filtrate clarity across a wide range of slurries.
• Reduced downtime: robust constructions and proven closure options simplify installation and maintenance.
• Application fit: multiple weave types and materials available to meet process-specific requirements (food, pharma, mining, chemical).

Filter Media Technology
Available constructions include double-layer (DLW®), multi-layer (MLW®), monofilament (MONO®) and multifilament (MULTI®) weaves. Designs emphasize liquid throughput, mechanical strength, cake release behavior and cleanability where required.

Product types and descriptions

• SEFAR TETEX DLW® (Double-Layer Weave) – Fine filtration layer bonded to a strong drainage support for high flow and mechanical stability.
• SEFAR TETEX MLW® (Multi-Layer Weave) – Multilayer construction for high mechanical resistance, excellent tracking and long-term stability on large belts.
• SEFAR TETEX MONO® (Monofilament) – Monofilament weave with high mechanical strength, low clogging tendency and easy cake release for continuous heavy-duty operation.
• SEFAR TETEX MULTI® (Multifilament) – Soft-surfaced multifilament weave optimized for fine-particle separation and high filtrate clarity.

Applications & proven use
Recommended for mineral processing (mining & refining), chemical plants, environmental treatment, food and life-science/pharma dewatering and filtration processes where material compliance and traceability are required.

Key Product Features

• Chemical & Thermal Resistance
  Choice of polymers to meet process chemical exposure and temperature demands.
• Mechanical Properties
  Designed for high tensile strength, abrasion resistance and stable tracking on indexing and continuous drive systems.
• Filter Efficiency
  Typical pore size range 5–150 µm to support diverse slurry types and retention requirements.
• Material Compliance
  Options for food-contact and pharmaceutical GMP-compliant materials where applicable.
• Closure Systems & Edge Options
  Mechanical closures, underlap/overlap covers and reinforced edges to reduce leakage, wear and simplify installation without welding.

Technical specifications

• Constructions: DLW®, MLW®, MONO®, MULTI®
• Pore sizes: typically 5–150 µm (application dependent)
• Materials: range of polymers selected by chemical/thermal/mechanical needs
• Closures: mechanical closure systems available; options to match process needs
• Edge options: reinforced edges, sealing finishes to reduce fraying and improve tracking
• Typical markets: mining & refining, chemical, food, environmental, life sciences/pharma