Coolflow Coolflow Process Cooling Fluids

A range of fully inhibited coolants for cooling electrical generation and distribution equipment. CoolFlow products are installed throughout the UK and used by; Siemens, SSE, Babcock, Western Power and many others.

To prevent internal corrosion, scaling and biological fouling all Coolflow products are formulated with multi-metal and multi-function inhibitors, which exceed ASTM D1384 standards.

coolflow drums
coolflow drums

Hydratech Recommends

Coolflow DTX Coolflow DTX

A ABAAA

High Efficiency Non Toxic Antifreeze and Secondary Refrigerant for process cooling & AC systems. Based on Ethylene Glycol blended with patented DeTox™ additive and ASTM D1384 proven Corrosion, Scale and Biological Inhibitors.

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  • Summary - Rating: ASuitable for food & beverage process cooling and other applications where a non-toxic classification is preferred. High efficiency and more cost effective than MPG based coolants.

  • Efficiency - Rating: BHigh thermal conductivity and low viscosity at sub-zero temperatures, results in increased heat transfer efficiency and reduced energy demands.

  • Antifreeze - Rating: AProvides protection down to -50°C and lower concentration (% volume) is required to achieve the same freeze-point protection, when compared with NTP, USP, ECO2 and ECO3.

  • Corrosion Control - Rating: ALong-Life formulation with synergistic corrosion inhibitors to exceed BS6580 and ASTM D1384 standards. Also contains broad-spectrum biological inhibitors and polyacrylates to prevent scale precipitation.

  • Toxicity - Rating: AClassified as Non-Toxic and Food-Safe. Suitable for food & beverage processing systems and where low-toxicity is stipulated. LD50 Oral Rat >20,000mg/kg body weight.

  • Density:1.04 - 1.15 g/cm³ depending on inhibitors

  • pH:7.5 - 9.0 depending on inhibitors

  • Boiling Point:>100°C

  • Characteristics:a clear, slightly viscous liquid. It is mildly sweet to the taste and has a non-pungent but characteristic aroma

  • Available in: 5, 10, 15, 20, 25, 205 & 1000 litre containers and bulk tankers.

Frost Protection °C

v/v of Coolflow DTX %

Refractive Index

-10

22.0

1.356

-15

28.0

1.362

-20

33.0

1.367

-25

38.0

1.372

-30

42.0

1.376

-35

46.0

1.380

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Other Suitable products

Coolflow ECO2 Coolflow ECO2

B BCBAA

Ecologically and Environmentally Friendly Non Toxic Antifreeze and Secondary Refrigerant for process cooling & AC systems. Based on Refined Vegetable Extracts and ASTM D1384 proven Corrosion, Scale and Biological Inhibitors.

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  • Summary - Rating: BSuitable for systems where low environmental impact and ecological sustainability is preferred. Average efficiency but lower in cost compared with MPG based fluids.

  • Efficiency - Rating: CAverage thermal conductivity and high viscosity at sub-zero temperatures, results in reduced heat transfer efficiency and increased energy demands when compared with DTX, IGE and LVF.

  • Antifreeze - Rating: BProvides protection down to -50°C but more volume is required to achieve the same freeze-point protection compared with DTX, IGE and LVF.

  • Corrosion Control - Rating: ALong-Life formulation with synergistic corrosion inhibitors to exceed BS6580 and ASTM D1384 standards. Also contains broad-spectrum biological inhibitors and polyacrylates to prevent scale precipitation.

  • Toxicity - Rating: AClassified as Non-Toxic and Food-Safe. Suitable for food & beverage processing systems and where low-toxicity is stipulated. LD50 Oral Rat >20,000mg/kg body weight.

  • Density:1.02 - 1.26 g/cm³

  • pH:7.5 - 9.0 depending on inhibitors

  • Boiling Point:>100°C

  • Characteristics:a clear, slightly viscous liquid. It is slightly sweet to the taste and has a non-pungent but characteristic aroma.

  • Available in: 5, 10, 15, 20, 25, 205 & 1000 litre containers and bulk tankers.

Frost Protection °C

v/v of Coolflow ECO2 %

Refractive Index

-10

25.0

1.355

-15

32.0

1.362

-20

38.0

1.367

-25

43.0

1.372

-30

48.0

1.377

-35

52.0

1.380

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Coolflow ECO3 Coolflow ECO3

B BCBAA

Ecologically and Environmentally Friendly Non Toxic Antifreeze and Secondary Refrigerant for process cooling & AC systems. Based on Bio-PG and ASTM D1384 proven Corrosion, Scale and Biological Inhibitors.

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  • Summary - Rating: BSuitable for systems where low environmental impact and ecological sustainability is preferred. Slightly more efficient than ECO2 but more expensive per litre.

  • Efficiency - Rating: CLow Thermal Conductivity and high Viscosity at sub-zero temperatures, results in reduced heat transfer efficiency and increased energy demands.

  • Antifreeze - Rating: BProvides protection down to -50°C but more volume is required to achieve the same freeze-point protection compared with DTX, IGE and LVF.

  • Corrosion Control - Rating: ALong-Life formulation with synergistic corrosion inhibitors to exceed BS6580 and ASTM D1384 standards. Also contains broad-spectrum biological inhibitors and polyacrylates to prevent scale precipitation.

  • Toxicity - Rating: AClassified as Non-Toxic and Food-Safe. Suitable for food & beverage processing systems and where low-toxicity is stipulated. LD50 Oral Rat >20,000mg/kg body weight.

  • Density:1.02 - 1.26 g/cm³

  • pH:7.5 - 9.0 depending on inhibitors

  • Boiling Point:>100°C

  • Characteristics:a clear, slightly viscous liquid. It is slightly sweet to the taste and has a non-pungent but characteristic aroma.

  • Available in: 5, 10, 15, 20, 25, 205 & 1000 litre containers and bulk tankers.

Frost Protection °C

v/v of Coolflow ECO3 %

Refractive Index

-10

25.0

1.363

-15

32.0

1.372

-20

38.0

1.378

-25

43.0

1.384

-30

48.0

1.389

-35

52.0

1.394

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Coolflow IGE Coolflow IGE

B BBAAD

Industrial Grade Secondary Refrigerant Antifreeze for process cooling & AC systems. Based on Ethylene Glycol and ASTM D1384 proven Corrosion, Scale and Biological Inhibitors.

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  • Summary - Rating: BSuitable for industrial process cooling, AC and other applications where a toxic classification is not an issue. Good thermal and pumping characteristics.

  • Efficiency - Rating: BHigh thermal conductivity and low viscosity at sub-zero temperatures, results in increased heat transfer efficiency and reduced energy demands.

  • Antifreeze - Rating: AProvides protection down to -50°C and lower concentration (% volume) is required to achieve the same freeze-point protection, when compared with NTP, USP, ECO2 and ECO3.

  • Corrosion Control - Rating: ALong-Life formulation with synergistic corrosion inhibitors to exceed BS6580 and ASTM D1384 standards. Also contains broad-spectrum biological inhibitors and polyacrylates to prevent scale precipitation.

  • Toxicity - Rating: DClassified as Harmful but usually considered as Toxic. Suitable for industrial cooling systems where toxicity is not an issue.

  • Density:1.08 -1.2 g/cm³ depending on inhibitors

  • pH:7.5 - 9.0 depending on inhibitors

  • Boiling Point:>100°C

  • Characteristics:a clear, slightly viscous liquid. It is mildly sweet to the taste and has a non-pungent but characteristic aroma

  • Available in: 5, 10, 15, 20, 25, 205 & 1000 litre containers and bulk tankers.

Frost Protection °C

v/v of Coolflow IGE %

Refractive Index

-10

20.0

1.349

-15

27.0

1.355

-20

32.0

1.359

-25

37.0

1.363

-30

41.0

1.366

-35

45.0

1.369

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Coolflow LVF Coolflow LVF

B BAACB

Very Low Viscosity, Non Toxic Antifreeze and Secondary Refrigerant for process cooling & AC systems. Based on Potassium Formate and ASTM D1384 proven Corrosion, Scale and Biological Inhibitors.

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  • Summary - Rating: BExcellent heat transfer and pumping characteristics, low toxicity but can prove a challenge to eliminate corrosion in some systems.

  • Efficiency - Rating: AExcellent heat transfer and pumping characteristics places LVF at the top of the efficiency tree, for all water-based antifreeze solutions.

  • Antifreeze - Rating: ADepending on concentration can provide freeze protection down to -60°C.

  • Corrosion Control - Rating: CCorrosive when in contact with air and only recommend for certain metals and closed loop pressurised systems.

  • Toxicity - Rating: BLD50 (Oral Rat) of 7,000 to 20,000 mg/kg body weight depending on concentration in water. Not FDA approved as a food additive, but can be considered food-safe and widely used in food & beverage cooling systems.

  • Density:1.2 - 1.4 g/cm³

  • pH:7.5 - 9.0 depending on inhibitors

  • Boiling Point:>100°C

  • Characteristics:a clear, low viscosity liquid. It is salty to the taste and has a non-pungent but characteristic aroma.

  • Available in: 5, 10, 15, 20, 25, 205 & 1000 litre containers and bulk tankers.

Coolflow LVF (strength)

Frost Protection °C

Dynamic Viscosity MPas (cP)

Thermal Conductivity (W/mk)

Refractive Index

LVF20

-20

1.8

0.56

1.365

LVF30

-30

1.9

0.53

1.374

LVF40

-40

2.2

0.52

1.380

LVF50

-50

2.6

0.5

1.387

LVF60

-60

2.9

0.48

1.392

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Coolflow NTP Coolflow NTP

B BCBAA

Non Toxic Antifreeze and Secondary Refrigerant for process cooling & AC systems. Based on Propylene Glycol and ASTM D1384 proven Corrosion, Scale and Biological Inhibitors.

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  • Summary - Rating: BSuitable for food & beverage processing and other applications where a non-toxic classification is preferred. Average efficiency and relatively high cost per litre.

  • Efficiency - Rating: CAverage thermal conductivity and higher viscosity at sub-zero temperatures, results in reduced heat transfer efficiency and increased energy demands. Good Specific Heat capacity helps improve overall performance.

  • Antifreeze - Rating: BProvides protection down to -50°C but greater concentration (% volume) is required to achieve the same freeze-point protection, compared with DTX, IGE and LVF.

  • Corrosion Control - Rating: ALong-Life formulation with synergistic corrosion inhibitors to exceed BS6580 and ASTM D1384 standards. Also contains broad-spectrum biological inhibitors and polyacrylates to prevent scale precipitation.

  • Toxicity - Rating: AClassified as Non-Toxic and Food-Safe. Suitable for food & beverage processing systems and where low-toxicity is stipulated. LD50 Oral Rat >20,000mg/kg body weight.

  • Density:1.02 - 1.15 g/cm3 depending on inhibitors

  • pH:7.5 - 9.0 depending on inhibitors

  • Boiling Point:>100°C

  • Characteristics:a clear, slightly viscous liquid. It is mildly sweet to the taste and has a non-pungent but characteristic aroma.

  • Available in: 5, 10, 15, 20, 25, 205 & 1000 litre containers and bulk tankers.

Frost Protection °C

v/v of Coolflow NTP %

Refractive Index

-10

25.0

1.356

-15

33.0

1.364

-20

39.0

1.370

-25

44.0

1.373

-30

48.0

1.380

-35

53.0

1.383

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