The task of the expansion vessel is to collect the overabundance of water due to its heat in the boiler 
and thus to maintain constant pressure in the heating network.
We can produce the device according to individual dimensions of the customer.
Product specification:
| WYMIAR | V | D | h | Masa |
| TYP | [l] | [mm] | [kg] | |
| NW 0.005 | 5 | ø200 | 120 | 4.5 |
| NW 0.01 | 10 | ø240 | 220 | 7.0 |
| NW 0.015 | 15 | ø240 | 350 | 9.0 |
| NW 0.02 | 20 | ø240 | 430 | 10.2 |
| NW 0.025 | 25 | ø240 | 500 | 11.3 |
| NW 0.03 | 30 | ø300 | 400 | 13.3 |
| NW 0.035 | 35 | ø300 | 500 | 15.3 |
| NW 0.04 | 40 | ø300 | 550 | 16.2 |
