Safety device for a heat exchange equipment filled with pressuri

Details Safety device for a heat exchange equipment filled with pressuri Safety device for a heat exchange equipment filled with pressuri

1980-08-13

1982-08-24

Capossela, Ronald C.

Heating systems

Water

Expansion tanks

137207, 137568, 16510427, 16510432, 165DIG24, F24D 310

Patent

active

043457150

ABSTRACT:
A pipe connecting the equipment to be protected with a vessel is locally divided in two paths, a pump and a one-way valve being mounted in one path and an electro-magnetic valve in the other path. Pump and electric valve are controlled by a contact manometer so to fill or to empty the vessel depending on the pressure in the equipment.
The liquid body in the vessel moves a diaphragm between a position above the pipe connection but below a discharge opening and a position above this opening, in which latter position liquid is discharged through a siphon provided on the opening.
The diaphragm divides the vessel in two spaces and is the bottom of a bag secured to the vessel.
A float in a container connected to the vessel opens a feeding valve when the liquid level in this vessel is beneath a determined value.

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