KTW (Gwaji da Gwaji na Gwaji na Ƙarfa na Ƙarfa a Masana'antar Ruwa ta Jamus) tana wakiltar sashin iko na Sashen Lafiya na Tarayyar Jamus don zaɓin tsarin ruwan sha da kimanta lafiyar lafiya. Ita ce dakin gwaje-gwaje na Jamusanci DVGW. KTW wata hukuma ce ta tilas wacce aka kafa a cikin 2003.
Ana buƙatar masu ba da kayayyaki su bi DVGW (Ƙungiyar Gas da Ruwa na Jamus) Dokar W 270 "Yaduwan ƙwayoyin cuta akan kayan da ba na ƙarfe ba". Wannan ma'auni yafi kare ruwan sha daga ƙazantattun halittu. W 270 kuma shine tsarin aiwatar da tanadin doka. Ma'aunin gwajin KTW shine EN681-1, kuma ma'aunin gwajin W270 shine W270. Duk tsarin ruwan sha da kayan taimako da ake fitarwa zuwa Turai dole ne a ba su takaddun shaida na KTW.
Lokacin aikawa: Satumba-19-2022