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ductile Iron Pipes
Awọn paipu irin ductile jẹ ti iṣelọpọ ni ibamu si ISO2531/EN545/EN598/NBR7675 boṣewa agbaye.Irin simẹnti Ductile jẹ iru alloy ti irin, erogba ati ohun alumọni.Lakoko ilana iṣelọpọ, a ṣe awọn idanwo lori laini muna ati awọn ohun idanwo pẹlu: titẹ hydraulic, sisanra ikan simenti, sisanra fifa zinc, sisanra ti a bo bitumen, idanwo iwọn, idanwo iwunilori ati bẹbẹ lọ.Paapaa, a ni aṣawari X-ray ti ilọsiwaju julọ lati ṣe idanwo sisanra ogiri ti paipu kọọkan ni pipe ki a le rii daju pe didara awọn paipu ni ibamu si boṣewa ISO2531.
Sikirinisonu zinc ita (≥130g/㎡) ati ibora bitumen (≥70um) ni ibamu si boṣewa ISO8179.Ipoxy, polyurethane ati polye thylene le jẹ ipese gẹgẹbi awọn ibeere awọn alabara.
Ti inu simenti amọ ti inu ni ibamu si boṣewa ISO4179 ati amọ simenti jẹ iduroṣinṣin, ipon, dan ati ifaramọ to lagbara.Simenti giga-Aluminiomu, simenti Portland, Simenti-Resistance Sulfate, resini epoxy, seramiki epoxy fun inu.
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