Karfe bututun lantarki EMT
Bututun ƙarfe na lantarki
Bututun ƙarfe na lantarki (Bututun Emt), wanda aka fi sani da bakin bango, hanya ce ta ƙarfe da aka jera wacce aka yi da madauwari, wacce ba a zare ta ba, kuma tsawonta ya kai santimita 10. Tsawonta kuma yana da santimita 20. EMT yana samuwa a girman ciniki 1/2" zuwa 4". An yi amfani da shi wajen kariyar tsatsa kuma ciki yana da rufin halitta da aka amince da shi wanda ke jure tsatsa. Ana shigar da EMT ta amfani da sukurori ko haɗin matsi da masu haɗawa. An ba shi izinin samun haɗin haɗin gwiwa wanda ya ƙunshi bututu mai siffar "ƙararrawa" a gefe ɗaya tare da sukurori. EMT tare da haɗin haɗin gwiwa yana samuwa a girman ciniki 1-1/4 zuwa 4.
Juriya Mai Dacewa:
Diamita na Waje:±0.005 inci (0.13 mm)
Kauri a Bango: +10%~ -5%
Kauri na bango ba zai bambanta fiye da inci 0.003 (0.08mm) ba a tsawon tsawon ƙafa 10.
Tsawon:±Inci 0.25 (6.4 mm)
Daidaitacce:UL797-2000
Ƙarshe: An yi amfani da Zinc, an riga an yi amfani da galvanized
An yi wa fenti da zinc: aji na 3, 80-120 g/m2; aji na 4, 275-500 g/m2













