FIELD: machine building.
SUBSTANCE: pressure regulator valve configured to be attached to a container in which the beverage is to be dispensed by pressure in free space (11) above the beverage, wherein regulator valve comprises housing (16) comprising piston (26), one surface of which is constantly exposed to pressure in free space, and other surface interacts with spring (44), compressed gas source (14), such as carbon dioxide, fixed on housing and comprising valve (60), which is actuated by piston, which moves in response to difference between spring force and pressure in free space to open valve (60), when pressure in free space falls below preset level, in order to introduce carbon dioxide into free space to maintain in free space pressure sufficient for beverage dispensing.
EFFECT: valve of pressure regulator is disclosed.
9 cl, 5 dwg
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