Uma kudingeka ivalvu eqondiswa kabili ukuze ilawule ukugeleza phambili futhi ivimbele ukubuyela emuva, ivalvu yebhabhathane ehlelwe kabili eqondiswa kabili yensimbi ye-NSEN iyindlela ongakhetha kuyo. Ukuvalwa kusebenzisa isakhiwo sensimbi ngokuphelele, lolu chungechunge lusetshenziswa kakhulu ku-Power Plan, Central Heating, Oil & Gas industry. Siyakwamukela ukuthi usithinte ukuze uthole ikhathalogi noma wenze ngezifiso ivalvu yephrojekthi yakho.