Sintered metallic filters

AmesPore® porous metallic filters and components are sintered metallic parts with high porosity, between 30% and 60% by volume, made of bronze or stainless steel.

They are produced by the powder metallurgy technology, which consists of shaping a mixture of metal powders in a mould or tool that has the negative shape of the part and then sintering the resulting preform.

The result of this process is a structurally functional metallic part with a controlled microporosity level.

ADVANTAGES

High filtering efficiency

The total porosity and the pore size can be varied to obtain filtering efficiencies ranging from 2 to 290 μm according to the material.

Very regular behaviour

Because the level of porosity is uniform throughout the filter volume.

Variable wall thickness from 1 mm

This advantage makes the fluid follow an intricate path within the filter, which therefore acts as a depth filter throughout its cross-section.

Mechanical, temperature and chemical resistance

– The parts can work under elevated temperature and pressure without deforming or degrading.
– They have good chemical resistance: the sintered filters resist corrosion under a wide range of liquids and gases, especially when they are made of stainless steel.
– They behave as self-supporting structural elements thanks to their great rigidity.

Reusable and versatile

– They are reusable, and therefore have a long useful life.
– They are weldable and machinable, so they can be adapted to specific assemblies.
– They can have complex shapes, to incorporate additional features to the filter function.

Using AmesPore® Sintered Filters

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CONDENSATION TRAP

The porosity is able to retain and condense moisture contained in a gas passing through it. This property is used for drying and for protecting devices against corrosion.

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FLAME SUPPRESSOR

The presence of a porous component before a flame prevents flashback. Typical applications include gas boilers, heaters, welding systems, etc.

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FLUID FILTRATION

The porosity can retain the solid particles contained in a liquid or gaseous fluid and can partially separate liquid and solid phases, or gas phases of different molecular weights. This property is used to filter fluids with a wide range of characteristics.

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PRESSURE DROP

The porosity reduces the pressure of the fluid passing through it, a phenomenon known as pressure drop that is used to muffl e the sound of gases under pressure (mufflers) or to protect hydraulic equipment and electronic devices.

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FLOW CONTROL

Thanks to the porosity, fluids passing through the porous component have a constant outflow, especially if the flow is generated by capillarity. This allows very precise control of the outflow of pressurized fluids.

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AERATION/FLUIDIZATION

When pressurized gas passes through the porosity, the outflow from the porous component is constant, controlled and distributed with the same pressure at all points. This feature makes it possible to gasify or aerate liquids, provide a constant air flow, or handle solid powders through fluidization.

TYPICAL APPLICATIONS

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CHEMICAL INDUSTRY

Oil and gas indusry, chemical industry, water purification, nuclear installations, heat exchangers, ozonation, chemical powder transport, catalyst recovery, general drying, etc.

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FOOD

Gasification of liquids and spirits, evaporators, liquefaction, transport of solid powders, packaging manufacture, etc.

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INDUSTRIAL

Pneumatic and hydraulic circuits (compensators, bleeders, regulators, mufflers), protection of sensors and gauges, gearboxes, pneumatic cylinders, welding, industrial gases, etc.

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TRANSPORT

Automotive, marine, aviation, railways, etc.

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HOUSEHOLD APPLIANCES/HOME FITTINGS

Boilers, water heaters, gas burners, printers, etc.

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OTHER SECTORS

Aquariums, underwater fi shing, clinical analysis, medical gases, protection of electronic equipment, electronic cigarettes, sundry machinery, etc.

RECOMMENDATIONS FOR USE

Keep AmesPore® filters and mufflers in their original packaging until the time of assembly.
Protect AmesPore® filters and mufflers from impacts and dirt during handling.
AmesPore® is a product designed for direct use. If it needs to be machined, it is not recommended to machine the functional surfaces: the pores close and the fluid flow decreases, so the filtering efficiency is reduced.
AmesPore® filters are manufactured in accordance with the ISO 9001, IATF 16949 and ISO 14001 quality standards.
AmesPore® filters comply with the following European directives:
ELV (2000/53/EC)
RoHS (2011/65/EU)
Penta BDE and Octa BDE (2003/11/EC)

WOULD YOU LIKE MORE INFORMATION?

AMES can create specific solutions of shapes, materials and performance in which the porosity of the sintered product is tailored to the applications.
Please, contact us and we will answer you as soon as possible.
Thank you!

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