air-heaters: water heaters
NKV
A ducted water heater designed for heating supply air in round ventilation systems.
The casing is made of galvanized steel, tubular collectors made of copper tubes, the surface of the heat exchanger is made of aluminum plates.
The heater is available in a two- or four-row variant. It is designed for operation at a maximum working pressure of 1,6 MPa (16 bar) and a maximum water temperature of + 90 ° C. In the inlet stub of the heater there is a possibility of installing a temperature sensor to protect the heater against freezing.
| Type | Sizes[mm] | Rows of pipes | Weight [kg] | ||||||||
| ØD | B | H | H3 | L | L1 | L2 | L3 | K | |||
| NKV 100-2 | 99 | 350 | 230 | 150 | 300 | 32 | 43 | 220 | G 3/4″ | 2 | 3,9 |
| NKV 100-4 | 99 | 350 | 230 | 150 | 300 | 28 | 65 | 220 | G 3/4″ | 4 | 5,2 |
| NKV 125-2 | 124 | 350 | 230 | 150 | 300 | 32 | 43 | 220 | G 3/4″ | 2 | 4,0 |
| NKV 125-4 | 124 | 350 | 230 | 150 | 300 | 28 | 65 | 220 | G 3/4″ | 4 | 5,3 |
| NKV 150-2 | 149 | 400 | 280 | 200 | 300 | 32 | 43 | 220 | G 3/4″ | 2 | 7,5 |
| NKV 150-4 | 149 | 400 | 280 | 200 | 300 | 28 | 65 | 220 | G 3/4″ | 4 | 8,2 |
| NKV 160-2 | 159 | 400 | 280 | 200 | 300 | 32 | 43 | 220 | G 3/4″ | 2 | 7,5 |
| NKV 160-4 | 159 | 400 | 280 | 200 | 300 | 28 | 65 | 220 | G 3/4″ | 4 | 8,2 |
| NKV 200-2 | 198 | 400 | 280 | 200 | 300 | 32 | 43 | 220 | G 3/4″ | 2 | 7,5 |
| NKV 200-4 | 198 | 400 | 280 | 200 | 300 | 28 | 65 | 220 | G 3/4″ | 4 | 8,2 |
| NKV 250-2 | 248 | 470 | 350 | 270 | 350 | 32 | 43 | 270 | G 1″ | 2 | 10,3 |
| NKV 250-4 | 248 | 470 | 350 | 270 | 350 | 28 | 65 | 270 | G 1″ | 4 | 10,8 |
| NKV 315-2 | 313 | 550 | 430 | 350 | 450 | 57 | 43 | 370 | G 1″ | 2 | 12,6 |
| NKV 315-4 | 313 | 550 | 430 | 350 | 450 | 53 | 65 | 370 | G 1″ | 4 | 13,4 |
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