Nordfelt, 26 today, passed a medical and agreed a three-year contract to complete his move from Dutch side Heerenveen for an undisclosed fee, according to the Welsh club's website.
Lukasz Fabianski is the Swans' established first-choice but with the departure of Gerhard Tremmel and David Cornell this summer they needed to bring in cover and the five-cap Sweden international now provides that.
Manager Garry Monk has already brought in forward Andre Ayew and left-back Franck Tabanou as he seeks to build on last season's highest Premier League finish of eighth.
Source : PA
Source: PA