The document specifies the performance requirements of negative pressure driven sewerage systems carrying domestic waste water independent of their material. It also covers additional performance characteristics that are of importance to the specifiers, designers, constructors and operators of vacuum sewerage systems.
DIN EN 1091:1997 history
2018DIN EN 16932-1:2018 Drain and sewer systems outside buildings - Pumping systems - Part 1: General requirements
1997DIN EN 1091:1997 Vacuum sewerage systems outside buildings; German version EN 1091:1996