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Home | Sefar

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Envitech supplies Sefar industrial filtration products for solid–liquid separation, sludge dewatering, chemical filtration, food and beverage processing, pharmaceutical production, mineral processing, and a wide range of industrial manufacturing applications.

1. Sefar Filter Fabric Ranges

Material Range

Construction

Main Features and Applications

SEFAR TETEX® MONO

Monofilament woven fabric

Smooth surface, low clogging tendency, easy cleaning, and efficient cake release. Suitable for filter presses, centrifuges, leaf filters, drum filters, disc filters, and vacuum filtration systems

SEFAR TETEX® MULTI

Multifilament woven fabric

Excellent fine-particle retention and high filtrate clarity. Suitable for chemical, mineral processing, food, and pharmaceutical applications

SEFAR TETEX DLW®

Double-layer woven fabric

Combines a fine filtration layer with a strong drainage and support layer. Provides high flow rates and easy cake release for belt filters, centrifuges, Nutsche filters, and drum filters

SEFAR TETEX MLW®

Multi-layer woven fabric

High load-bearing capacity and mechanical strength, ensuring stable operation on large-format filtration belts

SEFAR TETEX® NF

Needlefelt filter fabric

Designed primarily for dry dust filtration. Available with antistatic, oil-repellent, and water-repellent treatments

SEFAR TETEX NF PHARMA

PET or PTFE needlefelt

Designed for pharmaceutical filter bags. Can be combined with an ePTFE membrane for improved fine-dust retention and reduced fiber shedding

SEFAR TETEX® MULTI PHARMA

Pharmaceutical-grade multifilament fabric

Used in drying, mixing, and granulation processes. Conductive constructions and materials suitable for food-contact applications are available

SEFAR CARBOTEX®

Fabric with conductive fibers

Prevents electrostatic charge accumulation. Suitable for dry dust environments, fluid-bed equipment, and ATEX-classified areas

SEFAR PETEX®

Polyester mesh

High dimensional stability and precise mesh openings. Used for screening, coarse metal-chip filtration, and support layers

SEFAR NITEX®

Polyamide/nylon mesh

Good chemical resistance and precise mesh openings for screening and particle classification

2. Finished Sefar Filter Cloths and Bags

Product

English Name

Applications

Sefar filter press cloths

Filter Press Cloths

Used in plate-and-frame, chamber plate, and membrane plate filter presses for chemical, mineral, food, and environmental treatment applications

Sefar centrifuge filter bags

Centrifuge Liners & Bags

Used in vertical, horizontal, and inverting filter centrifuges for solid–liquid separation in pharmaceutical, chemical, and food processing

Sefar dust filter bags

Dust Filter Bags

Used in pulse-jet, reverse-air, and shaker-type dust collection systems

Sefar milling dust filter bags

Milling Dust Filter Bags

Designed for flour and grain dust filtration, including side-entry and top-entry configurations

Sefar leaf filter bags

Pressure/Vacuum Leaf Filter Bags

Used in pressure and vacuum leaf filters for chemical, mineral, oil, and food-processing applications

Sefar Diastar filter bags

Diastar/Multichannel Bags

Designed for multichannel filtration systems requiring stable flow and reduced product loss

Sefar Nutsche filter bags and discs

Nutsche Filter Bags & Discs

Used in Nutsche filters and filter dryers for pharmaceutical, fine chemical, and food applications

Sefar fluid-bed dryer bags

Fluid Bed Dryer Bags

Used for drying, mixing, granulation, and product coating in pharmaceutical, food, and chemical production

Sefar GMP pharmaceutical filter bags

SEFAR® PHARMA GMP Bags

Used in spray dryers, fluid-bed dryers, micronizers, and Nutsche systems. Manufactured under controlled conditions with full traceability

Fluid-bed coating bags

Fluid Bed Coating Bags

High-airflow mesh fabrics for fluid-bed coating and drying processes

3. Sefar Filtration Belts and Cover Fabrics

Product

Applications

Sefar horizontal vacuum filter belts

Dewatering of sludge, minerals, chemicals, and food products

Vacuum pan filter cover fabrics

Rotary pan filters and tilting pan filters

Sefar disc filter covers

Rotary vacuum disc filters and hyperbaric disc filters used in mineral processing

Rotary drum filter belts and covers

Rotary vacuum drum filters and rotary pressure drum filters

Coolant oil filter belts

Filtration of oils and emulsions in metalworking processes

Sefar dryer belts

Vacuum drying and drying processes in food, chemical, and pharmaceutical production

 

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      Tel: (+8428) 6293 6050
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      Tel: (+84) 963 426 431
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      Tel: (+84) 981 685865
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