Precious Metals Grain Production

The best plants for the metallic grain production, all the equipment useful for the precious alloys grain production


These units are used to rinse and dry chains, metal findings, silver slime and/or silver crystals and are built out of polished stainless steel with a statically and dynamically balanced extractable basket.

Grain production systems with a protective atmosphere

These units are ideal for producing high-quality precious and non-precious metal alloys, including Master Alloys free of precious metals; the latter are often used to produced alloys containing a variable percentage of precious metals (White gold, Yellow Gold, Red Good, Palladium alloys etc.)

The use of an inert gas environment to avoid oxidation is especially important in the production of Master Alloys.

The unit is provided with the following parts:

  • Medium Frequency Converter
  • Melting and alloys homogenizing Furnace
  • Grain Producing Tank

Grain production tanks - rpg

The container is used both for the production:
• Fine gold and silver spherical grains
• Gold and silver spherical grains
• Grains with high surface area for refining purposes

Pm grains production system - fim/rpg

These furnaces are ideal to melt precious metals. All ITALIMPIANTI ORAFI induction melting furnaces are fitted with static frequency converters.

A high efficiency of the electrical output that drastically reduces electricity consumption while maintaining the production rate thanks to frequency conversion system we have used.

The modular construction of the electric circuit board greatly simplifies maintenance operations and guarantees high reliability even in the most demanding working conditions.

The highest technical standards used to design the inductors along with the modular construction and the use of only high quality materials guarantee maximum production even in the worst conditions.