SERVO THERM S SPECIAL
Heat transfer phenomena is one of the most important and requisite step in industrial processing for indirect heating. Heat transfer media are materials used in industrial processes to transfer heat. In engineering and particularly in chemical and process engineering large quantity of heat has to be transferred at elevated operating temperature.
Thermal fluid heating is a type of indirect heating in which a liquid phase heat transfer medium is heated and circulated to one or more heat energy users within a closed loop system. In these cases, high boiling heat transfer media are recommended. HTF are thermally stable fluids used for indirect heating and cooling from -100°C to 400°C as circulatory media in hot oil systems.
Applications:
Servotherm S Special is suitable for all types of heat transfer applications. This product
finds extensive application in textile, pharmaceuticals, chemical and processing
industries.
Key Benefits:
Servotherm S Special offers the following advantages over conventional mineral fluids:
- Resist deterioration at the recommended temperatures to assure long fluid life and
clean systems. - Have low vapor pressures at operating temperatures to permit operation at
atmospheric pressure. - Possess good heat transfer characteristics.
- Low pour point and moderate viscosity with decreases the pumping losses and the
power required for circulation. - Excellent thermal and oxidation stability
- Low volatility
- Very low carbonaceous deposits and very good solvency
S.No. | Properties | Method | Servotherm-S Special |
1. | Appearance | Visual | Clear & Bright |
2. | Kinematic viscosity @ 40°C, cSt | D-445 | 18.99 |
3. | Kinematic viscosity @ 100°C, cSt | D-445 | 3.88 |
4. | Viscosity Index | D-2270 | 81 |
5. | Density @ 15°C | D-4052 | 0.8652 |
6. | Total acid no. mgKOH/gm | D-974 | 0.03 |
7. | Flash point, °C | D-92 | 208 |
8. | Fire point, °C | D-92 | 228 |
9. | Autoignition Temperature, °C | E-659 | 378 |
10. | Pour point, °C | D-97 | -57 |
11. | Copper Corrosion | D-130 | 1a |
12. | Boiling range, °C
IBP 10% 90% FBP |
D-86 |
310 345 393 400 |
13. | Ash. % | D-482 | 0.003 |
14. | CCR, % | D-189 | nil |
15. | Max. Film Temp. °C | 345 | |
16. | Coefficient of Thermal Expansion | – | 0.00039 |
17. | Vapour Pressure, mm
50 °C 100 150 200 250 |
– |
0.32×10-3 0.02 0.58 7 45 |