scope:
Bu standard, govdesi metalik malzemeden yapilmis govdediyaframlivanalar icin ozellikleri kapsar. Bu standardin kapsamindaki anmaboyut araliklari asagida verilmistir: - Flansli vanalar icin: DN10, DN 15, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100,DN 125, DN 150, DN 200, DN 250 ve DN 300 ; - Vidali vanalar icin:?, 3/8, ?, ?, 1, 1?, 1?, 2, 2? ve 3 ; - Kaynak baglanti agizlivanalar icin: DN 8, DN 10, DN 15, DN 20, DN 25, DN 32, DN 40, DN50, DN 65, DN 80, DN 100, DN 125, DN 150, DN 200, DN 250 ve DN 300.Basinc ve sinif kisa gosterilislerinin kapsadigi aralik asagidakigibidir: - PN 6, PN 10, PN 16 ve PN 25 ; - Sinif 150.