What is indirect hot air roasting?

Indirect hot air roasting heats the air in a separate chamber before it enters the roasting drum. This method typically provides a more even and controlled roast by preventing direct flame contact with the beans.

What is a green bean loader?

A green bean loader is an ancillary system, often a vacuum or bucket elevator, used to automatically transfer unroasted (green) coffee beans from a storage container into the roaster's hopper, improving operational efficiency.

Why is a cyclone included with a coffee roaster?

A cyclone is an essential component for separating chaff (the papery skin of the coffee bean) from the hot exhaust air during roasting. This prevents fire hazards and maintains a cleaner roasting environment.

What maintenance is typically required for a coffee roaster?

Regular maintenance commonly includes cleaning the roasting drum, cyclone, and exhaust ducts to remove chaff and residue. Inspection of burners, fans, and electrical components is also crucial for safe and efficient operation.

Can this type of roaster handle different coffee bean types?

Yes, roasters of this design are typically versatile enough to handle various coffee bean types and origins. The operator controls roast profiles through adjustments to temperature, airflow, and drum speed.

used Equipment

Available

Verified seller

Petroncini T30 - 30Kg Hot Air

Name: Petroncini T30 - 30Kg Hot Air
SKU: 1448
Price: 20000 GBP
Availability: InStock

Price: £ 20,000

Manufacturer: Petroncini
Model: T30 - 30Kg Hot Air
Category: Coffee Roasters
Year: 1995
Status: For Sale
Machine Notes:
Petroncini T30 - 30Kg Hot Air Coffee Roaster
Manufactured in 1995.

Comes complete with Green bean loader and Cyclone.

It runs on Propane Gas with indirect heat, via a Hot air chamber beneath the drum..

The Hot Air is transferred into the drum creating an even roast at approx. 3.5 roasts per hour.

It's ideal for Espresso Coffee.

It was originally purchased by the previous owners in 1995 where it ran very successfully in New Zealand until 2010. It was then professionally shipped over to the UK and was running again very successfully in a Speciality Coffee Roastery in London until 2016, when it was replaced with a larger capacity roaster.
First photo shows it when it was previously installed in London in 2016/17 and the rest of it now in storage.

It is now in storage in the UK awaiting sale.

Price: £20,000GBP EXW UK
Please contact James Jordan on or
Email: james@ to discuss in more detail.

Essex, United Kingdom

5,774 km away

Product Specifications

Manufacturer: Petroncini Model: T30 - 30Kg Hot Air Category: Coffee Roasters Year: 1995 Status: For Sale Machine Notes: Machine Notes Petroncini T30 - 30Kg Hot Air Coffee Roaster: Petroncini T30 - 30Kg Hot Air Coffee Roaster 1995: .Comes complete with Green bean loader and Cyclone.It runs on Propane Gas with indirect heat, via a Hot air chamber beneath the drum..The Hot Air is transferred into the drum creating an even roast at approx. 3.5 roasts per hour. Price £20,000GBP EXW UK: Price £20,000GBP EXW UK Please contact James Jordan on +44(0)7732 505 229 or: Please contact James Jordan on +44(0)7732 505 229 or Email [email protected] to discuss in more detail.: Please enter your email address in the box below and we will send you the details of this machine. By ticking the following consent opt-in box, you are confirming that you consent to us storing your email address in our database to be used as described in our Privacy Policy. I confirm consent

Stock Number

1448

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Applications & Use Cases

Roasting green coffee beans for commercial sale.
Producing speciality coffee batches for cafes and small-scale distributors.
Developing unique roast profiles for various coffee origins.
Processing coffee for espresso blends and filter coffee.

Typical Specifications

Typical batch capacity: For this class of equipment, batch capacities commonly range from 15kg to 30kg.
Heating method: Units of this type typically utilise indirect hot air heating, often fuelled by gas (propane or natural gas).
Throughput: A roaster of this capacity can typically achieve 3-4 roasts per hour, depending on the desired roast profile and cooling efficiency.
Power supply: Electrical components commonly require a 3-phase supply, with control systems often operating on lower voltage single-phase.
Footprint: While specific dimensions vary, roasters of this capacity typically require a dedicated area for the roaster, bean loader, and cyclone, plus adequate ventilation.
Material construction: Roasting drums and critical components are typically constructed from robust materials like cast iron or stainless steel for durability and heat retention.

Frequently Asked Questions

Indirect hot air roasting heats the air in a separate chamber before it enters the roasting drum. This method typically provides a more even and controlled roast by preventing direct flame contact with the beans.

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.