SEFAR GmbH

Fabrication solutions

Sefar products for centrifugal filters are matched to the filter machines used, whether they are band centrifuges, bag centrifuges or inverting centrifuges. Our ready-made solutions are based on optimized Sefar designs that have been proven in use over many years.

Thanks to our wide range of fabrication capabilities and technologies, we are able to provide customer-specific products for optimal fit and function.

Fabrication solutions

Thanks to their welded seams, Sefar’s bags for fluid bed dryers guarantee minimal particle loss.

The high-quality finish ensures precise and durable products.

Our bags for fluid bed dryers are subjected to a final testing of their permeability and certified accordingly – a unique service. Also, the mass-produced connection sleeves are available having an antistatic finish and can be easily installed on all types of machines.

Fabrication solutions

Sefar’s filter discs are characterized by their precise fit and easy installation.
The disc edges can be supplied lined, bound or trimmed by laser, according to need. In our wide range of filter materials (polypropylene, polyester, PEEK and PTFE fabric), we can supply you with the optimal solution for your application’s chemical and thermal requirements.

Sefar provides type-specific filter discs and bags for nutsche filters that meet the high standards of the pharmaceutical and chemical industry with regard to certification and traceability.

Fabrication solutions

Sefar filter bags for nutsche filters are available with special flanged designs that provides optimum seal and easy cake discharge. Sefar offers a number of filter materials that are suitable for chemically and thermally aggressive applications.

Bags are fabricated according to the customer’s needs and are available with or without mounting aid, sealing and fastenings. Edges can also be reinforced or laser-cut.

SEFAR PHARMA GMP BAGS are the certified filter bag solution for the pharmaceutical industry.

The design has been developed to avoid contamination from the needle felt.

The high filtration efficiency is granted by an ePTFE microporose membrane laminated on polyester or PTFE needle felt.

The high conductivity stainless steel matrix integrated in the antistatic version provides an excellent protection against explosion.

The SEFAR PHARMA GMP BAGS manufacturing process is compliant to EU 2023/2006 GMP. All used materials are in conformity with EU 10/2011 as well as FDA CFR’s.

As a result the ready-to-use complete SEFAR PHARMA GMP BAGS are the only filter bags existing in the market complying with EU 1935/2004.