DIN 1988-500:2021-05 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps / Note: This standard is part of the DVGW body of rules.
2011DIN 1988-500:2011 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps; DVGW code of practice
2010DIN 1988-500:2010 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps; DVGW code of practice