Liquid-ring vacuum: hot return water and flexible hose

Source-Date (SAST): 2024-04-01 16:21
Dest: both
Review-after: 2027-02-28
Status: current

Facts

CNC liquid-ring vacuum pumps can send steaming-hot water back to the tank. That is not friction: under vacuum the boiling point of water drops, so return water can boil at a lower temperature.
Steam means water loss. Top up / change tank water as it boils off. How-it-works video: https://www.youtube.com/watch?v=cSpNeC5Yrys
Fit a flexible hose/connector on the vacuum-pump water return into the tank rather than only the rigid factory hose. Flexible hose is easier to align and less likely to break during install.

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