Chigongono chosungunuka cha 90 ° chowongoka chimagwiritsidwa ntchito kulumikiza mapaipi awiri polumikiza ulusi, kotero kuti payipi itembenuke madigiri 90 kuti isinthe kayendedwe ka madzimadzi. koyenera kukana dzimbiri, chitetezo komanso kumasuka kuyika.Chogulitsacho chimapangidwa ndi chitsulo chachitsulo chapamwamba kwambiri, chomwe chimatha kupanga mphamvu yolimba kwambiri pambuyo pozizira, kuti ikhale yolimba kwambiri.Komanso pamwamba amachitira ndi fluorination njira zitatu, amene angathe kuchepetsa kukokoloka kwa tizilombo mu mpweya, madzi ndi madzi.Zitoliro zowongoka za 90 ° zowongoka zimapangidwa molingana ndi magawo osiyanasiyana am'madera (monga ANSI/ASME B16.3-2018, ASTM A197, DIN EN 10242, etc.), ndipo amagwiritsidwa ntchito kwambiri m'mafakitale, nyumba ndi madzi apanyumba, mpweya wabwino ndi machitidwe ozizira.Ntchito yolumikizana pakati pa ma terminals okhazikika imatha kukhazikitsidwa mwachangu ndi njira yamanja pakuyika.Kuphatikiza apo, 300 Class American Standard Malleable Iron Pipe Fittings Malleable Iron 90 ° Straight Elbow imafunanso kuyesedwa kosamalitsa kwa zida zopangira ndi kuwotcherera ndi kudula molingana ndi miyezo ya ASTM A47 / 47M kuwonetsetsa kuti zinthu zikuyenda bwino.Kuphatikiza apo, magawo onse amawunikidwa ndikuyesedwa malinga ndi EN ISO 9001:2015 zofunikira kuti ateteze chitetezo cha moyo wapagulu.