Inseparable elastomer sealed connectors made of metal for metallic pipes for use in drinking water system installation - General quality requirements and test
Codes of practice for drinking water installations - Part 600: Drinking water installations in connection with fire fighting and fire protection installations; DVGW code of practice— 28 стр.
Inseparable elastomer sealed connectors made of metal for metallic pipes for use in drinking water system installation - General requirements and test methods— 19 стр.
