TT 5/10 and TT15/20 Specialty Roasters enable the roast master to succeed in achieving countless sensory profiles, developing the coffee’s deepest aromas, from light roasting to the very darkest.
TT 5/10 and TT15/20 Specialty Roasters enable the roast master to succeed in achieving countless sensory profiles, developing the coffee’s deepest aromas, from light roasting to the very darkest.
Since the early 1930s, sound experience and ongoing research into optimising the roasting process were tangible elements in the evolution of the Petroncini small roasters, sold all over the world. The company’s milestones, even in this past century’s highly technological evolution, have always paid attention to the choice of materials used and their improved product engineering. The innovation applied to these machines over the years has in no way affected the quality of the materials and the robustness of the original product, but instead has set out to put the master roaster at the centre of the process, making him increasingly aware of the technology and giving him all the tools necessary to personalise his quality roasting profile in the way he prefers.
The Petroncini Specialty Roasters, thanks to heat control, roasting air volume and the drum rotation speed, can in fact let you vary the method of transferring heat to the bean, achieving the balance between convection and conduction, according to the desired end product.
The thermal energy cycle adopted by the Specialty Roasters allows for the direct and gentle drying and caramelisation of the coffee sugars, putting the source of heat not in direct contact with the roasting chamber, in order to be able to control the amount of heat transferred to the bean and reduce uncontrollable thermal inertia as much as possible. The Specialty Roasters thus offer a “soft” roasting profile which allows for even heat distribution to the beans, taking care of the raw materials so as to achieve high quality aromatic profiles. These machines are equipped with high-performance and adjustable technological components, which allow for full control of the roasting process.
MAESTRO is the roasting software applied to the Specialty Roasters, available in the Classic as well as Avantgarde version, thus giving the roast master the chance to choose either the complete freedom of roasting or the pre-setting the different desired roasting profiles. The system enables to save and export the roasting data, organising them later as preferred.
TT 5/10 | TT 15/20 | |
Length (mm) |
1550 | 2050 |
Width (mm) |
900 | 1350 |
Hight (mm) |
1700 | 1950 |
Batch Size (kg) |
3/10 | 10/20 |
Capacity (kg/h) |
Up to 35 |
Up to 70 |
Roasting Time (min)* |
10-20 | 10-20 |
* Roasting Time depends on the type of roasting desired.
Data subject to possible modifications and not necessarily definitive.
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TTG 60 is an easy-to-use, reliable and cost-effective machine enabling complete handling freedom of the roasting, combined with the guarantee of the highest manufacturing quality and long-life operation of devices installed. The equipment is easily set up so that time-to-commissioning and maintenance operations are definitely reduced, ensuring high profitability standards.
The TTG 60 allows the roast master to manage coffee temperature, drum rotation speed and air-to-bean ratio, therefore letting him vary the method of transferring heat to the bean, achieving the desired balance between convection and conduction. Managing the roasting variables according to the desired end product, the roast master is now able to transfer heat through the soft conduction with the insulated drum surface and with the powerful heating convection, through the massive air flow volume that can be handled inside the drum.
The heating chamber, made with very thick material, guarantees perfect and homogenous mixing of the roasting air, resulting in reliable machine performance and repeatability of roasting profiles. We can thereby succeed in achieving countless sensory profiles, developing the coffee’s deepest aromas, from light roasting to the very darkest.
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TTG 60 | |
Length (mm) |
3580 |
Width (mm) |
2800 |
Hight (mm) |
3010 |
Batch Size (kg) |
30-70 |
Capacity (kg/h) |
up to 280 |
Roasting Time (min)* |
12-20 |
* Roasting Time depends on the type of roasting desired.
* Data subject to possible modifications and not necessarily definitive.
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The perfect match for small-scale industrial applications and unlimited product customisation.
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The forced convection of indirect hot air allows to reach coffee with a dense and rich aroma. Particularly suitable for small and medium productions, TT Roasters can be equipped with different systems for the control and management of the roasting profiles. This model requires a limited layout space and an easy and fast installation on site. Green coffee loader and destoner are available in combination with the roaster. On demand, TT Roasters can be fitted with an independent afterburner and a catalytic system.
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TT60 | TT120 | TT240 | TT400 | |
Length (mm) |
3250 | 4400 | 6300 | 7200 |
Width (mm) |
1350 | 1700 | 2400 | 3000 |
Hight (mm) |
2550 | 3400 | 3750 | 3900 |
Batch Size (kg) |
60 | 120 | 240 | 400 |
Capacity (kg/h) |
up to 240 | up to 480 | up to 960 | up to 1600 |
Roasting Time (min)* |
12 – 20 | 12 – 20 | 12 – 20 | 12 – 20 |
* Roasting Time depends on the type of roasting desired
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The roasting data and profiles are saved and available at any time within the system, and can be organized in the way you prefer thanks to the Roasting Manager, the new application integrated into OPERA30.
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Silo capacity can vary from a few hundred kg up to many tons and the shape depends on the capacity and available space. Inside every silo and every silo cell, special devices are installed to gently escort the coffee during its fall. There are different types of shock absorbers available, also designed to avoiding product obstruction especially considering the high production capacity up to 5 tons per hour.
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It is a useful dashboard to launch the daily production batches of the roasters, identify quantity of the coffee present in the receiving silos and the roasted and ground storaging sections, avoiding any production and contamination errors.
It has a list of active or past lots for monitoring the relative coffee quantities in the time of interest.
It can also act as a traceability system starting from any area of product interest, from the green lot to the packaged product, and viceversa, thus helping to trace any critical issues.
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Petroncini provides blades and rolls grinders for small and large productions, ensuring reproducible production standards, in terms of consistency of particle size and flexibility, according to the requirements.
Industrial coffee grinders are able to obtain the perfect coffee particle size, suitable to any brewing style, including Soluble, Espresso and Ultrafine coffee types, with capacities ranging from 90 up to 9,000 kg/hour.
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This works by pressing the coffee in a certain area, where there are blades that work at high speed. In addition, for the most demanding customers, we provide a special vibrating sieve, able to completely remove any presence of chaff in the coffee, even the finest.
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