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Izembozo ze-ductile cast iron manhole

Izembozo ze-ductile cast iron manholengokuyinhloko zenziwe nge-ductile cast iron.

Isembozo somgodi wensimbi enalezi zinzuzo:

ngenxa yamandla aphezulu kanye nokuqina okuhle kwe-iron ductile, isembozo somgodi we-iron ductile cishe30% ukululakunesembozo esimpunga somgodi wensimbi yohlobo olufanayo.

Izici zesembozo se-ductile iron manhole:

Ukuqina okuhle. 

Inani lomthelela lingaphezu kokuphindwe ka-10 kunempahla yensimbi empunga.

Ukumelana nokugqwala okuqinile.

Ukuhlolwa kokugqwala kwesifutho samanzi, ukugqwala kwezinsuku ezingama-90 kungu-1/40 kuphela wepayipi lensimbi, yi-1/10 yepayipi lensimbi empunga.Impilo yesevisi izikhathi ezi-2 kunepayipi yensimbi empunga kanye nezikhathi ezi-5 kunepayipi evamile yensimbi.

Ipulasitiki enhle.

ubude ≥7%, obufana nensimbi ye-carbon ephezulu.Kodwa ukunwebeka kwensimbi empunga kucishe kube yiziro.

Amandla aphezulu.

Amandla e-tensile OB ≥420MPa, amandla okukhiqiza i-OS ≥300MPa, izikhathi ezintathu zensimbi empunga.


Isikhathi sokuthumela: Aug-01-2022