1. Ngokwezinga lemboni yemishini, izinhlobo ze-flange yilezi: i-flange yohlobo lwe-flange eshiselwe isicaba, i-flange ene-butt-welded, i-flange ehlanganisiwe, i-butt-welded ring-plate uhlobo oluxekethile lwe-sleeve flange, i-flange-welded ring-plate uhlobo oluvulekile lomkhono , i-flanged ring-plate uhlobo lomkhono ovulekile, ikhava ye-flange. 2...
Funda kabanzi