DIN 1988-500:2011 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps; DVGW code of practice
2021DIN 1988-500:2021 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps
1970DIN 1988-500 E:2020-10 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps; DVGW code of practice
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
1970DIN 1988-500 E:2008-10 Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps; DVGW code of practice