amagambo ahinnye IPS, NPS, ID, DN, NB, SCH, SRL, DRL bisobanura iki?

Isi ishimishije yubunini bwa pipe: incamake IPS, NPS, ID, DN, NB, SCH, SRL, DRL bivuze?

1.DN ni ijambo ryiburayi risobanura "diameter isanzwe", bingana na NPS, DN ni NPS inshuro 25 (urugero NPS 4 = DN 4X25 = DN 100).

2.NB bisobanura "nominal bore", ID isobanura "diameter y'imbere" .byombi ni kimwe mubunini bw'umuyoboro w'izina (NPS).

3.SRL NA DRL (Uburebure bw'umuyoboro)

SRL NA DRL ni amagambo ajyanye n'uburebure bw'imiyoboro.SRL bisobanura “uburebure bumwe butunguranye”, DRL kuri “uburebure bubiri”

a.Imiyoboro ya SRL ifite uburebure buri hagati ya metero 5 na 7 （ni ukuvuga "random").

b.DRL imiyoboro ifite uburebure buri hagati ya metero 11-13.