B125 C250 Kaviri Seal Manhole Kavha
FRAME
Iyo inogadzirwa mune imwe yakasarudzika yekukanda, isina gasket, inovimbisa kugadzikana kwayo kuburikidza nesimbi yakabatana.Iyo nzvimbo yekutsigira inozadzikiswa nekaviri groove chiteshi chimiro kuitira kuti zvikwanise kuwana isina mvura system.Muchikamu chekunze chechinhu chacho, ine chimiro chakananga chinokwanisa kukwidziridza simiti yedhaka simba uye kuiswa kwezvinhu zvekumisa.
KAVHA
Iyo ine square shaped uye inovimbisa kugadzikana nekuda kwekunze kwemupendero kureba uye kudzika kwemajoini.Iyo kaviri groove inovimbisa kuvhara kwakanaka uye inofanorongerwa kune GRP ndiro.Pamusoro payo pane maburi maviri emapofu
zvinobatsira kuisa zvibato zvekusimudza uye kufambisa kuvhura.
Mavhavha ese anogona kuchinjika.Nzvimbo yavo ndeye antiskid uye yakanyatso kuumbwa kuti ive nechokwadi chekubuda kwakazara kwemvura ichidzivirira kuumbwa kwechando.
NORM EN 124 KUGADZIRWA UYE NZVIMBO
Manhole anovhara, gullies uye gratings zvinogona kukamurwa kuita zvinotevera makirasi: A15, B125, C250, D400, E600 uye F900.
Boka 3 (Kirasi C 250 shoma), Boka 2 (Kirasi B125 shoma): kune makoronga akaiswa mu kerbside migero yemugwagwa iyo, inotambanukira kusvika 0.5 m mumugwagwa uye kusvika 0.2 m pamusoro penzira, kana yakayerwa kubva kumucheto.