Vacuum floor drain for gravity flow and vacuum combined drainage system

• Main Authors: ZHANG ZHENGJUN, WANG ZAIYOU
• Format: Patent
• Language: Chinese; English
• Published: 09.01.2013
• Subjects: CESSPOOLS; DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; FIXED CONSTRUCTIONS; SEWERAGE; SEWERS; SINKS; WATER SUPPLY

The utility model relates to a vacuum floor drain for gravity flow and vacuum combined drainage system. A floor drain opening is arranged on the top of a floor drain water collecting box; and a vacuum tube passes through two DN40 vacuum diaphragm valves and then is inserted into the bottom of the fl...