Ka dib markii tuubbada birta ee loo yaqaan 'girt pipe' oo loo yaqaan 'glvanan', labada tuubooyinku si adag looma xidhnayn, taasoo dhalisay dhumuc aan sinnayn oo weld; iyo tuubbada birta ah waxay leeyihiin af relliptical afkooda sababa sababahooda u gaarka ah awgeed. Waxaa lagu talinayaa in la gooyo qayb yar oo madaxa birta ah. Mar kale howsha.
Pipe-ka birta ee loo yaqaan '
1. Ka dib markii tuubbada birta ee loo yaqaan 'Galva' ay ku xiran tahay, afka tuubbada kuma xirna xariiq toosan oo tuubbada birta ah waxay leeyihiin dhibaato afka ah oo afka ah. Waxaa lagu talinayaa in la jaro qayb yar oo ah madaxa birta ka hor intaadan ka baaraandegin.
2. Waxaa sababay sababo farsamo inta lagu gudajiro alxanka.
3. Kadib afka tuubbada birta ee galka ah ee afka lagu xiro, Trachoma wuxuu ka muuqdaa afka tuubbada:
Dhulfurta darbiga ee birta ah ee tuubbada birta (mm): 2.0, 2.5, 2.8 ,,2, 3.5, 3.8, 4.5, 4.5, 4.5, 4.5.
Cabirrada birta ee shaashad ee shaashad (c): 1.064, 1.051, 1.045, 1.040, 1.036, 1.036, 1.034, 1.032, 1.032, 1.032, 1.032, 1.032, 1.032.
Taarikada birta ee Galvanied waa saxan bir ah oo bir ah oo leh lakab kulul ama lakabka zint ee electroplated dusha sare. Guud ahaan waxaa si weyn loogu isticmaalaa dhismaha, qalabka guryaha, gawaarida iyo maraakiibta, wax soosaarka weelka, warshadaha farsamada iyo korantada, iwm.
Intaas waxaa sii dheer, shirkaddu waxay iibisaa tayo aad u sareeya oo tayo sare leh oo bir ah, oo bir bir ah oo birta ah, iwm.
Cabirrada birta ee shaashad ee shaashad (c): 1.064, 1.051, 1.045, 1.040, 1.036, 1.036, 1.034, 1.032, 1.032, 1.032, 1.032, 1.032, 1.032.
Taarikada birta ee Galvanied waa saxan bir ah oo bir ah oo leh lakab kulul ama lakabka zint ee electroplated dusha sare. Guud ahaan waxaa si weyn loogu isticmaalaa dhismaha, qalabka guryaha, gawaarida iyo maraakiibta, wax soosaarka weelka, warshadaha farsamada iyo korantada, iwm.
Intaas waxaa sii dheer, shirkaddu waxay iibisaa tayo aad u sareeya oo tayo sare leh oo bir ah, oo bir bir ah oo birta ah, iwm.
Dhulfurta darbiga ee birta ah ee tuubbada birta (mm): 2.0, 2.5, 2.8 ,,2, 3.5, 3.8, 4.5, 4.5, 4.5, 4.5.