SYNTHETIC HEAT TRNSFER FLUID
LEGA THERM-500 IS A SYNTHETIC HEAT TRANSFER FLUID. THE LEGA THERM -500 synthetic heat transfer fluid is an Aalkylet Derivatives Based heat transfer fluid Formulated for closed-loop liquid-phase heating systems To 310 c using fired heaters and to 320 c in waste –heat recovery system.
Application include…….
Thermally stable
LEGATHERM- 500 heat transfer fluid exhibited almost 40% less degradation When exposed to 600 f (300c) for 500 hours than a widely used competitive Fluid. Although very few heaters Expose the fluid to the maximum film temperature for extended periods, this Level of stability helps insure that your system operates trouble free during operating upsets
Low Temperature capability
Minimum startup temperature is a realistic measure of a fluid’s low temperature capability Since 284cst is the maximum viscosity that a centrifugal pump can handle.LEGATHERM-500 heat transfer fluid has a lower minimum start-up temperature 18 f (-8c) than any mineral-oil based fluids that cover a similar temperature range.
Fluid Storage
Drums should be stored inside to prevent water from getting into the heat transfer fluid. If sealed drums must be left outdoors, they should be stored on their sides. While unopened totes are weatherproof, they should not be stacked if left outdoors. If the fluid is to be stored outside below its minimum pump able temperature, the containers before charging the fluid into warm up before charging the fluid into the system.
Fluid Analysis
The fluid in new systems should be tested within 2 to 3 months of start-up. New fluid in existing systems should be started within the first month of operation to establish a base line for future testing.
Replacing Existing Fluid
In many cases, changing fluid involves a straightforward drain and fill. There are very few fluids that are so incompatible that 10-15% residue will affect the new LEGATHERM-500. If you have any questions, contact us.
Charging New Systems
Unless required for product quality reasons, new systems do not need to be cleaned before LEGATHERM-500 is charged. The amount of chemical coatings, oils, and other manufacturing residues are usually not enough to affect the fluid life. All that is necessary is to install a strainer with a minimum 60 mesh screen up stream of the pump to catch any metal or welding residue. The screen can be removed once the system has been cycled twice through its operating temprature.
LEGATHERM -500 (SYNTHETIC HEAT TRNSFER FLUID)
Physical Properties
Note:- The information and recommendations in this literature are made in good faith and are blived to be correct as of the below. You the user or specifier, should independently determine the suitability and fitness of LEGATHRM-500 for use in your specific application. We warrant that the fluids conform to the specification in LEGATHERM-500 Literature. Becuse our assistance is finished without charge, and because we have no control over the fluids end use or the conditions under which it will be used. We make no other warranties-expressed or implied, including the warranties of merchantability or fitness for a particular use or purpose (Recommendations in this bulletin are not intended nor should be construed as approval to infringe on any existing patent).
The users exclusive remedy, and lehatherm-500 sole liability is limited to refund of the purchase price or replacement of any product of any product proven to be otherwise as weaned. Legato specialty lubricants will not be lible for incidental or consequential damages of any kind.
[This Product meets the requirements of ISO 6743/12 class QD for closed circuit heat transfer systems]
Packing Available In :- 50ltr, 210ltr.
Typical Properties
Base | Aalkylet Derivatives |
Appearance | Light & Clear |
Odor | Odor Less |
Maximum Recommended Film Temperature | 320oC |
Maximum Recommended Temperature All Others | 302oC |
Minimum Operation Temperature | 35oC |
Minimum Start-Up Temperature | -6oC |
Kinematics Viscosity 40oC cst | 20 to 24 cst |
Density 15oC(gm/ml) | 0.852 to 0.875 |
Flash Point oC COC | 190oC |
Pour point oC | -30oC |
Distillation 10% | 10% at 370oC |
Coefficient of thermal expansion | 0.0096 / C |
Copper strip corrosion @ 100’C 3 hrs. | 1a |
% Water Content | <0.01 |
These are typical laboratory values, and are not guaranteed for all samples.
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