ETOH – Electric (25–5,000 kW)
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Features
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Technical data
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Key Features
In this design the oil flows inside the tubes. Heating elements are fitted inside these tubes.
The tube arrangement and the number of oil passes are designed for the highest efficiency and the safest operation.
The thermal load of the heating elements is selected at approximately 3W/cm².
Hinged covers are provided so that the heaters can be reached easily. Maintenance and replacement of the heaters can therefore be carried out readily.
The boiler design is prepared in accordance with the PED2024/68 directive and bears the CE mark.
Operating principle: power is supplied to the immersion heating elements and, once they have heated up, heat transfer to the boiler begins. The heating elements operate in stages or proportionally.
The ETOH boiler consists of the shell, the tubes, the heating-element connection flanges and the control nozzles. Materials are selected to suit the working pressure of the boiler.
Where they can be applied, EN12952, EN12953 and DIN4754 are taken as the design references.
System Components
Horizontal tubular thermal oil boiler
Electric resistance heaters
High-quality boiler oil inlet and outlet valve
Boiler oil inlet and outlet temperature sensor
Boiler oil inlet and outlet pressure transmitter
Boiler oil inlet and outlet pressure gauge and three-way connection valve
Boiler oil inlet and outlet pressure switch
Boiler oil inlet and outlet thermometer
Long-life thermal oil circulation pump group, one duty and one standby, complete with inlet and outlet valves, strainers, expansion joints and check valves
| ETOH series | ETOH25 | ETOH50 | ETOH100 | ETOH150 | ETOH200 | ETOH300 | ETOH500 | ETOH750 | ETOH1000 | ETOH1500 | ETOH2000 | ETOH2500 | ETOH3000 | ETOH3500 | ETOH4000 | ETOH5000 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum heat output (kW) | 25 | 50 | 100 | 150 | 200 | 300 | 500 | 750 | 1.000 | 1.500 | 2.000 | 2.500 | 3.000 | 3.500 | 4.000 | 5.000 |
| Maximum heat output* (kcal/h) | 21.500 | 43.000 | 86.000 | 129.000 | 172.000 | 258.000 | 430.000 | 645.000 | 860.000 | 1.290.000 | 1.720.000 | 2.150.000 | 2.580.000 | 3.010.000 | 3.440.000 | 3.870.000 |
| Length (mm) | 2.100 | 2.100 | 2.100 | 2.100 | 2.540 | 2.540 | 4.250 | 4.250 | 4.250 | 4.250 | 4.600 | 4.600 | 4.600 | 4.600 | 4.600 | 4.600 |
| Width (mm) | 500 | 500 | 750 | 750 | 1.100 | 1.100 | 1.100 | 1.100 | 1.100 | 1.550 | 1.350 | 1.950 | 1.950 | 2.550 | 2.550 | 2.550 |
| Height (mm) | 800 | 1.050 | 1.050 | 1.300 | 1.600 | 2.050 | 1.600 | 2.050 | 2.500 | 2.530 | 3.120 | 3.120 | 3.210 | 3.210 | 3.210 | 3.825 |
| **Weight (kg) | 298 | 357 | 490 | 656 | 1.059 | 1.424 | 1.777 | 2.339 | 2.630 | 3.631 | 3.760 | 4.661 | 5.451 | 6.253 | 6.932 | 8.315 |
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