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FAQs

Frequently Asked Questions

Can the RotaTherm® cook over 100°C?

Yes, the RotaTherm® can cook up to 145°C.

(Click here to view RotaTherm® interactive brochure)

Conticooker definition?

Conticooker is often used as an abbreviation for Continuous cooker.

‘Conti’ being short for continuous.

Gold Peg’s conticooker is the RotaTherm® Continuous Cooker.

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How does the RotaTherm® cook over 100°C?

The cooking zone is under pressure to achieve cook temperature higher than 100°C.

(Click here to view RotaTherm® interactive brochure)

How is the GPiCS Natural Mozzarella system cleaned?

The GPiCS is supplied with a CIP (Clean-In-Place) system. The CIP allows for the complete and thorough cleaning of your continuous cooking system. The CIP system can be fully automated, or semi-automated with minimal intervention required.

(Click here to view Ancillary Equipment – CIP System)

How is the RotaTherm® cleaned?

The RotaTherm® is supplied with a CIP (Clean-In-Place) system. The CIP allows for the complete and thorough cleaning of your continuous cooking system. The CIP system can be fully automated, or semi-automated with minimal intervention required.

(Click here to view Ancillary Equipment – CIP System)

How many years has Gold Peg been in business?

Gold Peg International Pty Ltd was incorporated in 1988.

Click for more information on Gold Peg

Is it safe to inject steam directly into the product?

Yes, culinary steam is used for direct injection into the product as the heating mechanism. It has been used in commercial food processing for many many years. Culinary steam is made by using food grade chemicals in the boiler and subsequent filters specifically for this purpose. Gold Peg offer a Steam Management system (SMS) or steam rig for this purpose.

(Click here to view Ancillary Equiment – SMS)

Is the RotaTherm® aseptic capable?

Yes, the RotaTherm® is capable of Aseptic food manufacture. Gold Peg’s Aseptic RotaTherm® can handle particulates up to 25mm.

(Click here to view RotaTherm® Capabilities and Applications)

Is the RotaTherm® pasteurisation capable?

Yes, the RotaTherm® is pasteurisation capable. The RotaTherm® can deliver your required pasteurisation quickly and efficiently through even heat treatment and HTST.

(Click here to view RotaTherm® Capabilities and Applications)

Is the RotaTherm® sterlization / UHT capable?

Yes, the RotaTherm® is sterilisation / UHT capable. The RotaTherm® can deliver your required sterilization / UHT quickly and efficiently through even heat treatment and HTST heating profile.

(Click here to view RotaTherm® Capabilities and Applications)

What can the RotaTherm® cook?

The RotaTherm® can cook a huge variety of products. In essence, anything that can pass through a pump even with particulates up to 25mm.

(Click here to view Applications)

What does GPiCS stand for?

Gold Peg international Cooker Stretcher.

The GPiCS is Gold Peg’s Natural Mozzarella cooking stretching system. It has no bath cook water, a totally enclosed hygienic design, ingredient addition ability, very low shut down waste and fast & full CIP.

Read more about the GPiCS.

What does AFH stand for?

Auger Feed Hopper. The AFH is one type of feed system that Gold Peg offers. The AFH is used to provide constant feed of feed medium to high viscous products (which do not flow) to the downstream RotaTherm® cooker.

Read more about the Auger Feed Hopper – Feed system.

What does CIP stand for?

Clean In Place. CIP refers to the method of cleaning the equipment. The CIP system can be fully automated, or semi-automated with minimal intervention required.

(Click link to view CIP Systems)

What does DSI stand for?

It stands for Direct Steam Injection – a process where by steam is directly injected into the product stream. The RotaTherm® uses, Gold Peg’s proprietary designed, direct steam injection technology as its heating mechanism.

(Learn more about How the RotaTherm® works)

Culinary steam is used for direct steam injection cooking. It has been used in commercial food processing for many many years. Culinary steam is made by using food grade chemicals in the boiler and subsequent filters specifically for this purpose. Gold Peg offer a Steam Management system (SMS) or steam rig for this purpose.

(For more information on Steam Management Systems)

What does FPV stand for?

Gold Peg international Cooker Stretcher.

The GPiCS is Gold Peg’s Natural Mozzarella cooking stretching system. It has no bath cook water, a totally enclosed hygienic design, ingredient addition ability, very low shut down waste and fast & full CIP.

Read more about the GPiCS.

What does HTST stand for?

It stands for High Temperature Short Time and refers to a processing that takes the product to its temperature in a very short time. This is beneficial as it minimizes the product exposures to heat treatment.

(Click here to view RotaTherm® Capabilities and RotaTherm® Works)

What does IWS stand for?

In the processed cheese world, IWS stands for Individually-Wrapped-Slices. IWS are squares of processed cheese that are individually wrapped in a plastic film. IWS processed cheese is generally a retail product used by people at home to put in lunch boxes, on sandwiches, to melt over food etc.

Learn more about processed cheese cooking equipment

What does MDM stand for?

Mechanically Deboned Meat. It is the meat they extract from the chicken (or cow) after the major cuts have been taken. After the major cuts have been taken there is still meat caught on the bones and they recover it using commercial mechanical deboning equipment. MDM is usually a raw product that also contains fat. The RotaTherm® is ideal for MDM rendering process as it delivers even heating of the product and reaches cook temperature very quickly.

Learn more about the RotaTherm®‘s Capabilities and Applications

What does PC stand for?

Processed Cheese.

Generally we spell out Processed Cheese but sometimes in documents or presentation due to lack of space or speed of the moment we use PC. Sorry if this has caused any frustrations or confusion.

Read more about the Processed Cheese.

What does PFD stand for?

Process Flow Diagram. It is a diagram that shows the equipment modules included in the scope of supply that form the process. The process generally flows from left to right. It is the basics of the process but is not a design drawing.

Our PFDs generally include a RotaTherm® continuous cooker and ancillary equipment to form a processing line appropriate for your product.

(Click link to view How RotaTherm® Works and Ancillary Equipment)

What does PLC stand for?

It stands for Programmable Logic Control. The RotaTherm® is supplied with the specifically designed Gold Peg PLC which is programmed to your requirements including level of automation.

(Click here to view Gold Peg Control System)

What does SIP stand for?

Sterilize In Place. SIP refers to the method of sterilizing the system prior to processing product. The SIP system is fully automated. A SIP system can included in your RotaTherm® Continuous Cooking system.

(Click link to view RotaTherm® Capabilities and Applications)

What does SOS stand for?

In the processed cheese world, SOS stands for Slice-On-Slice. SOS are squares of processed cheese that are stacked directly on top of each other. They are generally used in food service businesses such as take away food chains on hamburgers and the like. They are NOT individually wrapped.

Learn more about processed cheese cooking equipment.

What does UHT stand for?

Ultra-High Temperature processing, or ultra-heat treatment, is the partial sterilization of food by heating it for a short time, around 1-2 seconds, at a temperature exceeding 135°C (275°F). The high temperature reduces the processing time, thereby reducing the spoiling of nutrients. The RotaTherm® is UHT capable.

(Click here to view RotaTherm® Benefits and Applications)

What does VFV stand for?

Vacuum Flash Vessel. We use VFV to refer to direct cooling that uses vacuum. They can also be referred to Vacuum De-aeration vessels or systems. The VFV allows you to cook to one temperature and then subsequently cool the product to the set point temperature required by the filling equipment, while removing entrained air from the product.

(Click link to view Cooling Systems information)

What does VSD stand for?

It stands for Variable Speed Drive. VSDs allow the speed of a motor to be controlled. In this case the VSD is controlled from the central control panel. VSDs are used to control the rotor of the RotaTherm® and with other ancillary equipment.

(Click here to view How RotaTherm® Works and Ancillary Equipment)

What is a heating profile?

It is the time / temperature relationship of the process. It is like a temperature / time map that the product travels through processing. Starting temperature, cook temperature, holding temperature and time, cooling temperature. The RotaTherm® is capable of various heating profile even within the cooking column.

(Click here to view How RotaTherm® Works)

What is a small equipment footprint?

This is the space on the ground that the equipment occupies. In the case of the RotaTherm®, the footprint is 1m x 1m.

(Click here to view RotaTherm® Benefits)

What is Aseptic?

Maintaining the bacteriological sterility achieved through sterilization / UHT. Gold Peg’s Aseptic RotaTherm® can handle particulates up to 25mm.

(Click here to view RotaTherm® Capabilities and Applications)

What is particulate integrity?

Maintaining the shape / characteristics of the particulate through the processing i.e. a cube of carrot. The RotaTherm® can maintain the integrity of particulates up to 25mm (1”). The carrot piece will still look like a fresh piece of carrot at the end of the process.

(Click the link to view RotaTherm® Capabilites and Applications)

What is Pasteurisation?

It is the partial sterilization of foods at a temperature that destroys harmful microorganisms without major changes in the chemistry of the food. Pasteurisation cook temperature is generally from around 70ºC, however it is dependent on the product / process. The RotaTherm® can deliver your required pasteurisation quickly and efficiently through even heat treatment and HTST.

(Click here to view RotaTherm® Benefits and Applications)

What is Sterilization?

It is the elimination of microbiological organisms. It is beneficial to sterilize a product as it increases its shelf life. Sterilizing cook temperature is generally from around 120oC, however it is dependent on the product / process. The RotaTherm® can deliver your required sterilization quickly and efficiently through even heat treatment and HTST heating profile.

(Click here to view RotaTherm® Benefits and Applications)

What is the difference between Aseptic and UHT / Sterilization?

Sterilization / UHT kills the microbes and their spores while the Aseptic system maintains the sterility of the product thus guaranteeing safe food and delivering longer shelf life. Gold Peg offer RotaTherm® cooking systems that can deliver to both requirements.

(Click here to view RotaTherm® Range)

What is the hold tube and its function?

The pipe connecting the RotaTherm® direct steam injection continuous cooker to downstream is called the Hold Tube.

The length and diameter of the Hold Tube is calculated as required for the processing of the product.

The purpose of the Hold Tube is to HOLD the product at the aim temperature for a required time to achieve the required product quality / regulation requirement.

The RotaTherm® direct steam injection continuous cooker heats the product to the aim temperature. The product then flows on into the HOLD TUBE, then continues downstream for cooling / filling etc.

The HOLD TUBE is a standard and essential component of the system.

(Click here to view how the RotaTherm® works)

What is the scope of supply?

It is the industrial equipment modules that are required. Generally this is outlined by stating the starting and finished point for the supplier involved. Gold Peg supply equipment that we integrate to form complete processing lines.

(Click here to view Solutions Overview and Interactive RotaTherm® Demonstration)

What moves when the RotaTherm® operates?

It basically looks the same as a still photo except the bottom of the rotor can be seen spinning. This is visible but protected from access by side guards. It is a totally enclosed system so the product is not visible once it entered the cooking zone.

(Click here to view Video – cook and process (Lo-Resolution (746k)) , (Hi-Resolution (2.04mb))

(Click here to view Interactive RotaTherm® Demonstration)

What services do Gold Peg offer?

Gold Peg offer technical support and trouble shooting for our systems as well as food technology expertise, spare parts, trial systems and consulting.

Learn more about Gold Peg services.

Where can I find some customer testimonials / reference sites?
Where do I find videos of Gold Peg equipment operating?

On the menu on the top right of this page, select video, or click on this Gold Peg video link. There are also some food product videos to view.

Who do I contact with a technical question on Gold Peg equipment?

Please email your Gold Peg technical questions to techsupport@goldpeg.com.

The core of our technical / engineering / after sales teams will be monitoring and responding to emails that are sent to this address.

Alternately, call the Gold Peg Technical team on +61 3 8531 2999.

(Click for other services offered by Gold Peg)