Los thermostats bulb, are characterized precisely by the bulb. El bulbo es un pequeño depósito de Fluid thermal, to be placed in the area in which you want to measure the temperature. This deposit is linked by a capillary to a bellows, expandible, actuating a switch.
Its operation is based on dilating the liquid in the bulb, -the content in the capillary is low and does not influence-, it is directed through the capillary toward the bellows, dilatándolo, and by actuating the switch.
bulb
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