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 |
