| 摘要 |
<p>The cascade unit (1) for a heater has a hydraulic arm (5) which on one side moves toward or away from the heating kettle and on the other side is connected to at least one heating inlet (55) and heating system return (56). The cascade unit has a horizontally running chamber collector (3) and distributor (4) which is fixably connected to the hydraulic arm and connecting supports (33,44,33',44') in the form of short, horizontal pipes.</p> |
