Bird Technologies 6156 - Manuale (Pagina 16)

tank is encased in a set of metal radiating fins, which are
firmly pressed on the cylinder. The heat from the dielectric
oil is transferred to the surrounding air by the radiating
fins.
A synthetic rubber diaphragm located in the rear dome on
the load allows the coolant to expand as the temperature
rises.
4
Bird Model 6104/54/56 Termaline Wattmeter