I-UK Standard: BS EN545-2002
I-American Standard: AWWAC 151
Izinga laseNingizimu Korea: KSD 4311
Izinga lase-Australia: AS 2280
3: EN545/ISO2531/GB/T13295 I-Ductile Cast Iron Pipe unit weight ,T-uhlobo K8 K9 K10 C Ikilasi ,Ubude obusebenzayo = 5.7/ 6M.