| 摘要 |
<p>In a drinking water carbonating unit having a pressurised carbon dioxide gas container connected to a water container by a connection line containing a pressure limiting valve, the connection line (3) also includes a non-return valve (5) associated with the water container (4) and, between the pressure limiting valve (8) and the non-return valve (5), an automatic pressure relief device (14) and a coupling (6, 7) which can be released after pressure relief.</p> |
