DSAW(Papa uelo fa'alu'i fa'alu'i fa'alua itu)uiga: gaosiga faagasologa o paipa uelo e faigofie, maualuga le lelei, tau maualalo, atinae vave.O le malosi o le paipa faʻafefeteina e masani ona maualuga atu nai lo le paipa dsaw ma e mafai ona faʻaitiʻitia le gaosiga o le paipa o le paipa lapoa, e mafai foi ona e faʻaogaina le lautele tutusa o le gaosiga o le paipa o paipa eseese.Ae ui i lea, faʻatusatusa i le umi tutusa o paipa suʻi saʻo, Weld umi siʻitia i le 30 i le 100%, ma faʻaititia fua fua faatatau.

DSAW (Duble-sided spiral submerged arc welded paipa) e masani ona faʻaaogaina i le kesi masani, suauʻu, vailaʻau, eletise, faʻavevela, alavai, faʻavevela ausa, hydropower penstock, mana vevela, vai ma isi laina paipa mamao, faʻaputu, faʻaluina, alalaupapa. , uamea ma isi fanua inisinia.