Laundries
Heat Transfer Fluid for Industrial Laundry Applications
Why use a heat transfer fluid in industrial laundry facilities?
In industrial laundry equipment, fluid-based heat transfer systems are usually employed to transport heat, for example when operating flatwork irons. In this context, thermal fluid systems are preferable to traditional steam-based systems, in that they easily heat up to 230° C compared with the 180° C of steam-based systems.
Moreover, fluid-based flatiron systems operate at a pressure that is approximately 85 times inferior to that required by steam-based systems. Fluid-based systems are therefore preferable, because they reduce health and safety hazards for operators.
Finally, thermal fluid systems reduce common issues in the laundry industry that would be amplified with a steam-based system, such as corrosion, condensate return and steam trap maintenance.
Application
A superior high performance energy efficient heat transfer fluid suitable for use in all kinds of industrial processes.
About Globaltherm® M
Made from highly refined base stocks, Globaltherm® M thermal fluid has excellent thermal and oxidation stability allowing operation at high temperatures for extended periods.
The fluid also has efficient thermal conductivity and low viscosity, at the relevant operating temperatures, ensure high heat transfer rates requiring limited pumping energy.
Globaltherm® M heat transfer fluid provides:
low vapour pressures at elevated temperatures
greatly reduced evaporation
vapour lock and cavitation eliminating the need for high pressure piping and equipment
Used fluid may be disposed of through a number of environmentally acceptable methods such as used oil recycling or heavy fuels burning.
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| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Operating Range | °C (°F) | N/A | -10 to 320 (14 to 608) |
| Appearance | N/A | N/A | Viscous clear-yellow liquid with a mild odour. |
| Density @ 25°C | kg/m³ | ASTM D4052 | 873 |
| Kin. Viscosity 40°C | mm²/s (cSt) | ASTM D445 | 29.8 |
| Kin. Viscosity 100°C | mm²/s (cSt) | ASTM D445 | 4.5 |
| Flash Point PMC | °C | ASTM D93 | 210 |
| Flash Point COC | °C | ASTM D92 | 230 |
| Coefficient of Thermal Expansion | °C | NTR | 0.00077/°C |
| Autoignition Point | °C | ASTM E659 | 360 |
| Pour Point | °C | ISO 3016 | -12 |
| Neutralisation Nr (acid), TAN | mgKOH/g | ASTM D974 | <0.05 |
| Maximum Bulk Temperature | °C | NTR | 320 |
| Maximum Film Temperature | °C | NTR | 340 |
| Boiling Point at 1013 mbar | °C | NTR | 365 |
| Average Molecular Weight | NTR | NTR | 400 |
| Moisture Content | PPM | ASTM D6304 | <100 |
| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Operating Range | °C (°F) | N/A | -10 to 320 (14 to 608) |
| Appearance | N/A | N/A | Viscous clear-yellow liquid with a mild odour. |
| Density @ 25°C | kg/m³ | ASTM D4052 | 873 |
| Kin. Viscosity 40°C | mm²/s (cSt) | ASTM D445 | 29.8 |
| Kin. Viscosity 100°C | mm²/s (cSt) | ASTM D445 | 4.5 |
| Flash Point PMC | °C | ASTM D93 | 210 |
| Flash Point COC | °C | ASTM D92 | 230 |
| Coefficient of Thermal Expansion | °C | NTR | 0.00077/°C |
| Autoignition Point | °C | ASTM E659 | 360 |
| Pour Point | °C | ISO 3016 | -12 |
| Neutralisation Nr (acid), TAN | mgKOH/g | ASTM D974 | <0.05 |
| Maximum Bulk Temperature | °C | NTR | 320 |
| Maximum Film Temperature | °C | NTR | 340 |
| Boiling Point at 1013 mbar | °C | NTR | 365 |
| Average Molecular Weight | NTR | NTR | 400 |
| Moisture Content | PPM | ASTM D6304 | <100 |
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| Product | 208 Litre barrel | Bulk | 25 Litre | 1050 Litre IBC |
| Globaltherm® M (-10°C – 320°C) |
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Contact us for more information on high temperature thermal oils
We provide advice on how to choose the most appropriate oil for your heat transfer applications and provide our customers with continued technical support.
Call us on +44 (0)1785 760555 for more information
Application
Globaltherm® NF is a non-fouling, non-toxic, high performance semi synthetic heat transfer fluid specially developed for use in food processing plants and industrial heat transfer.
About Globaltherm® NF
Made from severely hydro treated synthesised hydrocarbon base stocks, Globaltherm® Non-Fouling has outstanding thermal and oxidation stability allowing operation at high temperatures for extended periods. It is non-hazardous, non-toxic, water white and odourless.
This heat transfer fluid has high flash/fire points and provides extra resistance to sludging.
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| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Operating Range | °C (°F) | N/A | -20 to 326 (-4 to 619) |
| Appearance | N/A | N/A | Colourless transparent liquid with no odour. |
| Density @ 25°C | Kg/m³ | ASTM D4052 | 881 |
| Kin. Viscosity 40°C | mm²/s (cSt) | ASTM D445 | 29.8 |
| Kin. Viscosity 100°C | mm²/s (cSt) | ASTM D445 | 3.2 |
| Flash Point PMC | °C | ASTM D93 | 210 |
| Flash Point COC | °C | ASTM D92 | 216 |
| Coefficient of Thermal Expansion | °C | NTR | 0.00089/°C |
| Autoignition Point | °C | ASTM E659 | 350 |
| Pour Point | °C | ISO 3016 | -29 |
| Neutralisation Nr (acid), TAN | mgKOH/g | ASTM D974 | NTR |
| Maximum Bulk Temperature | °C | NTR | 326 |
| Maximum Film Temperature | °C | NTR | 343 |
| Boiling Point at 1013 mbar | °C | NTR | 371 |
| Average Molecular Weight | NTR | NTR | 350 |
| Moisture Content | PPM | ASTM D6304 | <100 |
| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Operating Range | °C (°F) | N/A | -20 to 326 (-4 to 619) |
| Appearance | N/A | N/A | Colourless transparent liquid with no odour. |
| Density @ 25°C | Kg/m³ | ASTM D4052 | 881 |
| Kin. Viscosity 40°C | mm²/s (cSt) | ASTM D445 | 29.8 |
| Kin. Viscosity 100°C | mm²/s (cSt) | ASTM D445 | 3.2 |
| Flash Point PMC | °C | ASTM D93 | 210 |
| Flash Point COC | °C | ASTM D92 | 216 |
| Coefficient of Thermal Expansion | °C | NTR | 0.00089/°C |
| Autoignition Point | °C | ASTM E659 | 350 |
| Pour Point | °C | ISO 3016 | -29 |
| Neutralisation Nr (acid), TAN | mgKOH/g | ASTM D974 | NTR |
| Maximum Bulk Temperature | °C | NTR | 326 |
| Maximum Film Temperature | °C | NTR | 343 |
| Boiling Point at 1013 mbar | °C | NTR | 371 |
| Average Molecular Weight | NTR | NTR | 350 |
| Moisture Content | PPM | ASTM D6304 | <100 |
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| Product | 208 Litre barrel | Bulk | 25 Litre | 1050 Litre IBC |
| Globaltherm® NF (-20°C – 326°C) |
|
|
|
|
Contact us for more information on high temperature thermal oils
We provide advice on how to choose the most appropriate oil for your heat transfer applications and provide our customers with continued technical support.
Call us on +44 (0)1785 760555 for more information
Industrial laundry and flatiron equipment used in the public sector requires the use of heat transfer fluids that can work at the correct temperature for prolonged periods of time. This is especially important for sensitive environments, such as prisons, hospitals and care homes, where washing laundry regularly and at high temperatures is essential to prevent the spread of infection.
As a consequence, heat transfer fluids for industrial laundry applications must have excellent thermal and oxidation stability to operate efficiently at these high temperatures.
As well as carefully selecting the right type of fluid for industrial laundry equipment, facilities managers should perform regular sampling to assess the condition of their thermal fluid. Heat transfer fluid maintenance and analysis are essential operations that should be conducted on a regular basis, but plant managers may not realise there is a problem until it’s too late.
All heat transfer fluids will degrade over time, particularly when operating at high temperatures. Facilities managers should undertake regular sampling to establish the condition of the fluid and plan preventative action to ensure the system is always running efficiently.
Regular representative fluid analysis and top-ups help to ensure a healthy system, while reducing the risk of downtime and decreasing the amount of costly thermal fluid changes.
By monitoring heat transfer fluids regularly, it is possible to detect problems and to take preventative actions that minimise degradation and oxidation, keeping industrial laundry equipment running efficiently and cost-effectively.
Ideally, any plant using heat transfer fluids should operate using a robust, proactive maintenance plan such as Global Heat Transfer’s Thermocare, which contains regular system analysis, fluid top-up and careful flashpoint and fouling management.
By using thermal fluids specifically designed for industrial laundry facilities, you can make sure that the correct temperatures are reached and by taking proactive action, you can maintain this at all times.
Global Heat Transfer recommends two heat transfer oils for industrial laundry applications: Globaltherm® M, Globaltherm® NF and Globaltherm® MXT.
Globaltherm® M works at operating temperatures between -10° and 320°. It is made from highly refined base stock and has excellent thermal and oxidation stability, which allows for operation at high temperatures for extended periods of time. It also delivers good thermal conductivity and low viscosity, so it requires limited pumping energy.
Globaltherm® M also has low vapour pressures, which reduced evaporation. Finally, it eliminates vapour lock and cavitation, as is the need for high pressure piping and equipment.
Globaltherm® NF operates at working temperatures between -20° and 360°. It is made from highly hydro treated base stocks and has outstanding thermal and oxidation stability, so that it can withstand operating at high temperatures for extended periods. Additionally, it is non-hazardous, non-toxic, water white and odourless, which makes it ideal for industrial laundry applications.
Globaltherm® MXT is a high-performance heat transfer fluid that operates at temperatures between -7° and 30°. It contains a blend of highly resilient additives that make it resistant to sludging, ensuring long-lasting service, if properly managed.
Globaltherm® heat transfer fluids are currently used in a wide range of hotels, institutional and central laundries. Our engineers have worked for over 30 years with professionals in the industrial laundry sector and are always available to help you select the right fluid for your application and for advice on how to properly maintain it. We provide on-site and telephone support to keep your system running safely and efficiently.
Call us on +44 (0)1785 760555 for more information
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