The polymer melt industry requires advanced filtration solutions to ensure high-quality production and process efficiency. Disc filters, candle filters, and screen filters are essential for maintaining uniform flow, minimizing degradation, and protecting downstream equipment. These filters support applications like polyester film and fiber production, offering durability, precision, and enhanced filtration capacity.
With materials like stainless steel and sintered metal fiber, these filters withstand high temperatures and pressures, ensuring long service life. Customizable designs, including pleated and cylindrical configurations, provide adaptability for various polymer processing needs. Innovative features like internal volume reducers and durable sealing mechanisms enhance performance, enabling consistent, contamination-free operations.
High-Precision Machined Parts
Disc Filters
Our stainless steel fibre leaf disc filters are designed to meet the demanding requirements of
the polymer melt industry. These filters are ideal for applications where low residence time,
uniform flow, and minimizing degradation are critical.
Features and Benefits:
- A non-perforated edge design enhances welding strength, resulting in improved durability
and rigidity - Precision-engineered stainless steel mesh increases the structural integrity of the filter,
ensuring long-lasting performance. - Features a hard hub with more open area, minimizing pressure drop while maintaining
strength.
Reduced Residence Time with Disc Filters
Key Advantages,Common Applications of Disc Filters
- Enhanced Flow Uniformity
- Reduced Residence Time
- Common Applications: Polyester film
Candle Filters
Candle filters, available in cylindrical and pleated designs, offer filtration ratings from 3 to 100 microns, using materials like sintered metal fiber and woven wire mesh. Equipped with outer guards for media protection and compatibility with modern cleaning technologies, they ensure reliability, uniform polymer distribution, and extended operational life.
Features and Benefits:
- Durable design ensures reliability through repeated cleaning cycles.
- Extended filter life for cost-effective operation.
- Capable of functioning in high-temperature environments.
- Enhanced filtration capacity with pleated candle options.
- Easy to clean, ensuring minimal downtime.
- Refurbishment option is available
Reliable Candle Filters
Common Applications of Candle Filters
- Production of polyester bottle-grade chips
- Manufacturing of polyester films and fibers
- Processing of cellulose acetate films and fibers
- Nylon 6 and Nylon 6-6 fiber production
Candle Filters with Removable Mesh Pack Assembly
Our advanced candle filters feature replaceable mesh pack assemblies, modular hardware fittings, and interchangeable media for cost-effective operation. Available in cylindrical and pleated designs, the filters use high-performance materials like sintered metal fiber and woven wire mesh, ensuring durability, reliability, and compliance with industry standards for optimal filtration.
Key Features and Advantages:
- Exceptional durability, allowing for repeated cleaning and reuse.
- Extended service life for enhanced operational efficiency.
- Reliable performance in high-temperature applications.
- Superior resistance to carbon buildup and fouling.
- Sealing with media gasket and nylon gaskets.
Modular Candle Filters
Applications of Candle Filters with Removable Mesh Pack Assembly
- Manufacturing of polyester bottle-grade chips
- Production of polyester films and fibers
- Processing of cellulose acetate films and fibers
- Fabrication of Nylon 6 and Nylon 6-6 fibers
Filter Housings / Spares
Purofiltec’s stainless steel filter housings are available in single and multi-element configurations with customizable pressure ratings, including high-pressure options up to 400 bar. Designed for durability, these housings resist high temperatures and corrosive environments, offering seamless installation with in-line BSP or custom port connections.
Features and Benefits:
- Excellent resistance to high temperatures and harsh, corrosive environments.
- Well-suited for demanding air and liquid filtration tasks.
- Built with inherent strength, ensuring a long-lasting service life in tough applications.
- Precisely controlled pore size for reliable and consistent performance over multiple
cycles. - Customizable with a range of materials and surface finishes:
   ○ Stainless Steel 316L/304/17.4Ph
   ○ Hastelloy® - Smooth, flush internal welds for increased durability and reliability.
- Electro-polishing and mirror/matt finishing options for enhanced surface smoothness.
- High surface finish available for improved functionality.
- Variety of coatings available to meet specific operational needs.
Manufacturing Excellence:
Purofiltec manufactures filters, filtration systems, and porous materials with precision. From constructing filter elements to assembling vessels, we maintain stringent quality standards across global facilities. ISO cleanrooms ensure contamination-free production, delivering durable, high-performance solutions for diverse industrial applications with tailored designs and finishes.
High-Performance Filter Housings
Common Applications of Filter Housings / Spares
- Metal filter elements
- Disposable filter cartridges
Basket Filters
Our basket filters are designed for efficient, high-flow filtration in a wide range of industrial
applications. These filters are ideal for removing larger particles or debris from liquids and
gases, ensuring system protection and smooth operation. Available in various materials,
sizes, and filtration ratings, our basket filters can be tailored to meet the specific needs of
your application.
Key Features:
- Durable Construction: Made from high-quality stainless steel or other
corrosion-resistant materials, offering excellent durability and long service life. - Versatile Design: Suitable for a wide variety of filtration tasks, including liquid
filtration, gas filtration, and bulk solids separation. - Easy Maintenance: Features a simple and quick-to-remove basket design, making
cleaning and replacement of filter elements straightforward. - Customizable: Available in various mesh sizes, perforation patterns, and
configurations to meet your specific filtration needs.
Customizable Basket Filters
Applications of Basket Filters
- Chemical Processing
- Water Treatment
- Pharmaceuticals
- Food & Beverage
Screen Filters
 Screen filters are essential in the polymer industry to ensure the smooth and efficient
production of high-quality polymer products. These filters are specifically designed to remove
contaminants and foreign particles from polymer melts, ensuring a clean, consistent material
flow and protecting downstream equipment from damage.
Key Features:
- High Filtration Efficiency: Designed to effectively capture and remove fine particles,
gels, and other impurities from polymer melts, maintaining the quality of the final
product. - Durable Materials: Manufactured from corrosion-resistant stainless steel or
specialized alloys, ensuring longevity and performance even in high-temperature,
high-pressure environments. - Customizable Mesh Sizes: Available in a variety of mesh sizes, allowing for precise
control over particle removal based on the specific requirements of your polymer
processing application.
