DIN19555/EN13101 Polypropylene Polymer PP a kpụchara ígwè galvanized Nzọụkwụ Manhole

E mere steepụ oghere manhole maka ndị ọrụ nhicha ka ha wee banye ma pụọ ​​na nsị mmiri n'enweghị nsogbu na nke ọma. Enwere ike iji ígwè carbon, ígwè anaghị agba nchara, ígwè corrugated, ígwè ductile, ígwè a kpụrụ akpụ, ma ọ bụ aluminom mee ya. Mkpuchi ahụ nwere ike ịbụ plastik polypropylene copolymer, galvanized, bitumen ojii ma ọ bụ epoxy. Mkpuchi ahụ nwere ike ichebe steepụ oghere manhole nke ọma site na nchara na nchara. Step nwekwara agba na-egbuke egbuke iji hụ na a na-ahụ ya nke ọma. Na mgbakwunye, o nwere ikike ịgbatị ogologo, nrụgide ibu dị mma, ike siri ike, na ogologo oge dị elu.

E ji ngwakọta nke polypropylene polymer na ígwè galvanized rụọ usoro ndị a, ha na-enye ike na iguzogide nchara dị elu, na-eme ka a pụrụ ịtụkwasị ha obi ruo ogologo oge ọbụlagodi na gburugburu ebe kacha sie ike. Mkpuchi polypropylene ahụ na-enye elu na-anaghị amị amị, na-eme ka nchekwa ndị ọrụ ka mma mgbe ha na-abanye n'ime oghere ahụ, ebe isi ígwè galvanized na-enye nkwado na nkwụsi ike siri ike.