Dilatometer DF-4 Suppliers & Exporters in India - Orbit Technologies Private Limited

Coal and Coke Testing Instruments

For Measure Plastic Properties of Coal

Swelling rate (increase in volume when heated) is an important indicator of the quality of coal for coking. It is determined by a standard dilatometric test.
From the expansion curves the following numerical parameters of the tested coal samples can be deduced:
- Softening Temperature
- Temperature of maximum contraction
- Temperature of maximum dilatation
- Value of maximum contraction
- Value of maximum dilatation
High productivity of measurement
In one measuring cycle, four samples can be measured
Contact less measuring of measuring pistons movement (dilatation)
Fully automated performance
One measuring cycle lasts for approx. 120 minutes
Course of the test controlled by Computer
Real time monitoring of complete measuring process
Auto-diagnostics of the equipment
Measurement of temperature of each dilatation measuring tube
Precise digital control of furnace unit

Working range of sample heating	200°C to 600°C
Setting of temperature alarm	500 - 600°C
Accuracy of temperature control	± 1°C / 10 min
Measurement of pistons' shifts	Contactless
Retort Pipe Movement	Fully automated
Temperature gradient	3°C /min
Dilatation measurement range	50 to + 400 % (standard samples)
Power supply	230 V, 50 Hz
Dimensions	700 x 250 x 900 mm (with tubes up 1450 mm)