A na-eji akwa akwa nkedo nke enweghị Hubless eme ihe na drainpipe site na njikọ na-agbanwe agbanwe. Ngwaahịa ahụ enwetala ụkpụrụ, ASTM A888, CISPI301, ma nwee uru ndị a: ewepụghị na kwụ ọtọ, ọbụlagodi mgbidi ọkpọkọ, ike dị elu na njupụta, ịdị nro dị elu na N'ime na elu elu nke mgbidi, ọ dịghị ntụpọ na foundry, mfe echichi, mfe ịnọgide na-enwe, ogologo ndụ, na-enyere aka gburugburu ebe obibi, fireproof na ọ dịghị mkpọtụ.
Mkpuchi: N'ime na n'èzí Bituminous agba mkpuchi
Size: 1.5″, 2″, 3″, 4″, 5″, 6″, 8″, 10″, 12″, 15″
Ihe nkedo nke igwe na-acha ntụ ntụ na ihe ndozi kemịkalụ P (0.38 S)
Ngwongwo eji arụ ọrụ isi awọ: 145Mpa