Iron malleable 90° madaidaicin gwiwar hannu ana amfani da shi don haɗa bututu biyu ta hanyar haɗin zaren, don haka don sa bututun ya juya digiri 90 don canza yanayin kwararar ruwan. An yi samfurin da simintin ƙarfe na ƙarfe mai inganci, wanda zai iya samar da ƙarfi mai ƙarfi bayan sanyaya, don ya sami karɓuwa mai kyau. Bugu da ƙari, ana kula da saman tare da matakai guda uku na fluorine, wanda zai iya rage tasirin yashwa a kan ƙananan ƙwayoyin cuta a cikin gas, ruwa da ruwaye. Ana ƙera kayan aikin bututu madaidaiciya madaidaiciyar 90 ° bisa ga ka'idodin yanki daban-daban (kamar ANSI / ASME B16.3-2018, ASTM A197, DIN EN 10242, da sauransu), kuma ana amfani da su sosai a masana'antu, gini da samar da ruwa na gida, iska da tsarin sanyaya. Ana iya aiwatar da aikin haɗin kai tsakanin ƙayyadaddun tashoshi da sauri ta hanyar jagora yayin shigarwa. Bugu da kari, 300 Class American Standard Malleable Iron Pipe Fittings Malleable Iron 90° Madaidaicin gwiwar gwiwar hannu shima yana buƙatar tsauraran gwaji akan albarkatun ƙasa da walda da sarrafa yankan gwargwadon matsayin ASTM A47/47M don tabbatar da aikin samfur. Bugu da ƙari, ana bincika duk sassan kuma ana gwada su bisa ga EN ISO 9001: 2015 buƙatun don kare amincin rayuwar jama'a.