Dziko losangalatsa la kukula kwa mapaipi: mafupikitsidwe IPS, NPS, ID, DN, NB, SCH, SRL, DRL amatanthauza chiyani?
1.DN ndi mawu a ku Europe omwe amatanthauza "mwaya wachibadwa", wofanana ndi NPS, DN ndi NPS kuchulukitsa ndi 25 (chitsanzo NPS 4=DN 4X25= DN 100).
2. NB imatanthauza "nominal bore", ID imatanthauza "internal diameter". Zonsezi ndi mawu ofanana ndi kukula kwa chitoliro (NPS).
3.SRL NDI DRL (Utali wa Chitoliro)
SRL NDI DRL ndi mawu okhudzana ndi kutalika kwa mapaipi. SRL imayimira "kutalika kwachisawawa kamodzi", DRL imayimira "kutalika kawiri kosasinthika"
Mapaipi a SRL ali ndi kutalika kulikonse pakati pa mamita 5 ndi 7 (monga "mwachisawawa").
Mapaipi a DRL ali ndi kutalika kulikonse pakati pa mamita 11-13.
Nthawi yotumizira: Ogasiti-16-2020