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Pressure Nutsche Filters (PNF)

HI-MARK PROCESS EQUIPMENTS specializes in manufacturing high-quality Nutsche Filters designed for efficient solid-liquid separation in various industries, including pharmaceuticals, chemicals, and food processing.

Key Features of HI-MARK’S' Nutsche Filters:

  • Material Construction: Crafted from 316 Stainless Steel, with options for Hastelloy C-276/C-22, ensuring durability and resistance to corrosion.
  • Coatings: Available with Halar or Tefzel coatings for processes involving aqua regia, enhancing chemical resistance.
  • Compliance: Manufactured in accordance with ASME standards, suitable for full vacuum and pressure operations.
  • Finishes: High-purity designs with pharmaceutical-grade finishes, including electro-polishing, mirror, matte, and dull finishes, catering to specific industry requirements.
  • Temperature Control: Optional jacketing for heating or cooling, with provisions for electric heaters, facilitating precise temperature management during filtration processes.
  • Filter Media Handling: User-friendly clamping mechanisms for easy filter media replacement, accommodating a wide range of filter pore sizes from 1 to 200 microns, utilizing materials such as stainless steel, Hastelloy, polypropylene, and special membranes.
  • Safety Features: Equipped with safety pressure relief valves, nitrogen purging nipples, and optional pressure/vacuum gauges to ensure safe operation under varying conditions.
  • Instrumentation: Provision for sight glasses, sampling ports, thermometers, temperature transmitters, and level indicators, allowing for comprehensive monitoring and control.
  • Mobility: Designed with castor wheels for easy mobility, facilitating flexible placement within production facilities.

HI-MARK offers Nutsche Filters in capacities ranging from 10 to 5000 liters, suitable for laboratory, pilot plant, and full-scale production applications. These filters are engineered for both vacuum and pressure operations, providing versatility across different processes.


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