| 摘要 |
23739-235 A system for absorbing the expansion in liquid circulating systems, in particular as used as heating systems, incorporates a boiler (1), a liquid line (2, 2'), radiators (3) and an expansion vessel (4) that is under atmospheric pressure. The expansion vessel (4) is connected through a feed line (5) and a return line (6) as well as an overflow valve (7) that can be set to the operating pressure of the system and a continuously operating circulating pump (9) with the liquid line (2) of the heating plant.
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