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Wire filters

Wire filters

Wire filters

Product catalog summary
Overview: The document provides a detailed analysis of sintered wire filters, highlighting their advantages, specifications, and applications. Copor, a company specialized in manufacturing metal filters since 1980, offers these filters as a superior choice due to their unique properties.
Specifications and Advantages:
  • Uniform pore distribution and controllable pore size, certified by ISO EN-24003 Bubble Test.
  • High filtration capacity and reliability before permeability is compromised.
  • Resistance to high temperatures, thermal shocks, and corrosion (materials include AISI 316L, Monel, Astalloy).
  • Low back pressure loss and easy cleaning methods (high-pressure steam, chemicals, or high-temperature annealing).
  • Wide filtration range from 30 to 300 microns, adjustable through wire diameter and density.
Porosity and Mechanical Properties: The primary parameter for characterizing sintered wire filters is open porosity, which can be adjusted from 70% to 20% to meet specific requirements. Lower porosity increases mechanical strength, while higher porosity enhances permeability but reduces mechanical properties.
Applications: These filters are used in various industries, including food processing, pharmaceuticals, and automotive sectors, for tasks such as liquid and gas filtration, valve protection, and as flame arrestors.
Comparison with Powder Filters: Sintered wire filters demonstrate better flow characteristics compared to sintered powder filters, especially at the same filtration level of 100 microns.
Filter Types and Materials: The document lists various filter models (conical, cylindrical, hat, and disc) made from materials like stainless steel (AISI 304-316), brass, bronze, Monel, iron, and zinc-plated steel.
Pore Size Analysis: The document describes two methods for testing pore size: a dry sonic test and an ultrasonic wet test. The results indicate that the manufacturing process results in pore sizes between 100 and 127 microns, with some variability in pore size distribution.
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Catalog excerpts

Wire filters-1

sintered wire filter

 Open the catalog to page 1
Wire filters-2

Wire filters Copor ha maturato un elevato livello di specializzazione ed è particolarmente attrezzata per produrre filtri metallici, sin dal 1980. I filtri sinterizzati da filo inossidabile sono tra i numerosi filtri presenti sul mercato, una eccellente scelta perché hanno i seguenti vantaggi se confrontati con altri materiali: Copor has reached a high level of specialization and is especially equipped to manufacture metal filters, since 1980. Sintered stainless steel wire filters are an excellent choice for filters as they have following advantages compared to other materials: 1) Uniform pore...

 Open the catalog to page 2
Wire filters-3

Filtri conici in filo di: Acciaio inox AISI 304-316, Ferro, Bronzo, Ottone, Monel, Acciaio zincato Conical filters in wire: Stainless steel AISI 304-316, Brass, Bronze, Monel, Iron, Zinc plated steel

 Open the catalog to page 3
Wire filters-4

Pore Size Analysis on STAINLESS WIRE FILTER (Diameter 25mm, Thickness 6mm, 10 grams) Methodology There are two methods of Challenge Test filter media with glass microsphere standards - a dry method using sonic energy to fluidise the microspheres, and a wet method where the microspheres are presented to the filter medium as an aqueous suspension using an ultrasonic probe to prevent caking. The method selected depends on the end use of the filter - dry or wet applications. It also depends on the pore size as the dry method cannot measure below about 20 microns. Results a) Dry sonic test Filter...

 Open the catalog to page 4

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