Vacuum breaker

A vacuum breaker is an attachment commonly placed on a bibcock valve or toilet or urinal flush valve, that prevents water from being siphoned backward into the public drinking water system. This prevents contamination should the public drinking water system's pressure drop.

单词	Vacuum breaker
释义	Vacuum breaker 英语百科 Vacuum breaker A vacuum breaker is an attachment commonly placed on a bibcock valve or toilet or urinal flush valve, that prevents water from being siphoned backward into the public drinking water system. This prevents contamination should the public drinking water system's pressure drop.
随便看	earth center earth centered ellipsoid earth central angle Earth Chestnut earth circling satellite earth circuit earth circuit connector earth clamp earth clamping machine earth clip earth clmp earthcloset Earth Closet earth closets earth coal earth cofferdam earth coil earth color earth colors earth colour earth column earth compaction earth concrete earth conductivity Earth conductor