DSAW (ʻaoʻao ʻelua spiral submerged arc welded pipe)nā hiʻohiʻona: maʻalahi ke kaʻina hana o ka paipu welded, kiʻekiʻe kiʻekiʻe, haʻahaʻa kumu kūʻai, hoʻomohala wikiwiki.ʻOi aku ka nui o ka ikaika o ka paipu welded spiral ma mua o ka paipu dsaw a hiki ke hōʻemi i ka hana billet o ka paipu anawaena nui, hiki iā ʻoe ke hoʻohana i ka laulā like o ka hana billet o nā anawaena like ʻole o ka paipu.Eia naʻe, ke hoʻohālikelike ʻia me ka lōʻihi like o ka paipu seam pololei, ua hoʻonui ʻia ka lōʻihi Weld e 30 a 100%, a haʻahaʻa i ka helu hana.

Hoʻohana nui ʻia ʻo DSAW (Double-sided spiral submerged arc welded pipe) i ke kinoea maoli, ka ʻaila, nā kemika, ka uila, ka hoʻomehana, ka hoʻoheheʻe ʻana, ka hoʻomehana ʻana i ka mahu, hydropower penstock, ka mana wela, ka wai a me nā paipu lōʻihi lōʻihi, piling, dredging, alahaka. , kila a me nā ʻoihana ʻenekinia ʻē aʻe.