polyester pob zeb ua dej channel
Channel nyob rau hauv polyester qhob muab nrog kev tiv thaiv thav duab thiab ductile hlau grate xauv nrog steel screws, ua raws li cov cai UNI EN 1433, thiab rau cov chav kawm load D400 Lub sab hauv nto yog du tsis muaj fab thiab nrog nruab nrab PH, los pab txhawb cov dej ntws thiab mus zam kev loj hlob ntawm cov nroj tsuag.Cov kab no yog tsim los rau cov dej ntws ntsug los ntawm qhov tsim nyog drilling, thiab rau kab rov tav ntws nrog ib qho tshwj xeeb header, nkag nrog HDPE xaus, ntawm diam.150 mm.
NORM UNI EN 1433 CLASSIFICATION thiab qhov chaw nyob
Manhole npog, gullies thiab gratings tuaj yeem muab faib ua cov chav kawm hauv qab no: A15, B125, C250, D400, E600 thiab F900
Pawg 4 (Class D 400 yam tsawg kawg nkaus): txoj kev carriageways (nrog rau cov neeg taug kev txoj kev), lub xub pwg nyom nyuaj thiab chaw nres tsheb rau txhua hom tsheb.
Daim ntawv thov Nws yog dav siv hauv cov hauv qab no: Lub tsev nkag Cov chaw pabcuam Chaw nres tsheb Cov neeg taug kev thaj tsam Kerbside dej Chaw nres nkoj muaj Chaw nres tsheb ciav hlau Cov khoom qhia