B125 C250 Ob Chav Foob Manhole Npog
NPAJ
Nws yog tsim nyob rau hauv ib tug tshwj xeeb casting, tsis muaj gasket, assured nws stability los ntawm ib tug hlau coupling.Qhov kev txhawb nqa cheeb tsam yog pom tau hais tias muaj ob chav zawj channel zoo li thiaj li ua tau kom tau txais cov dej tsis zoo.Nyob rau sab nraud ntawm cov khoom, nws muaj cov qauv tshwj xeeb uas tuaj yeem ua kom zoo dua cov cement mortar muaj peev xwm thiab ntxig cov khoom thauj khoom.
COVER
Nws yog square zoo li tus thiab nws ua kom muaj kev ruaj ntseg ua tsaug rau sab nraud ntug qhov siab thiab sib koom ua ke qhov tob.Ob chav zawj lav qhov zoo kaw thiab nws yog predisposed rau GRP phaj.Ntawm nws qhov chaw muaj ob qhov qhov muag tsis pom
muaj txiaj ntsig zoo los ntxig lifting tes thiab ua kom yooj yim rau kev qhib.
Tag nrho cov npog yog interchangeable.Lawv nto yog antiskid thiab nws yog tshwj xeeb tshaj yog zoo li tus los xyuas kom meej tag nrho cov outflow ntawm cov dej zam cov dej khov tsim.
TS EN 124 CLASSIFICATION THIAB CHAW UA HAUJ LWM
Manhole npog, gullies thiab gratings tuaj yeem muab faib ua cov chav kawm hauv qab no: A15, B125, C250, D400, E600 thiab F900
Pawg 3 (Class C 250 yam tsawg kawg nkaus), Pawg 2 (Class B125 yam tsawg kawg nkaus): rau gullies ntsia hauv kerbside raws ntawm txoj kev pavement uas, txuas mus rau 0.5 m nyob rau hauv txoj kev thiab mus rau 0.2 m sab saum toj ntawm lub pavement, thaum ntsuas ntawm ntug.