Kananan tankunan ruwa na nitrogen kwantena ne da aka tsara don adana nitrogen na ruwa, kuma za a iya rage zafin cikin su zuwa -196°C (-321°F) don kiyaye yanayin ruwa na nitrogen.
Yawancin lokaci ana yin kwandon ne daga kayan haɓaka masu inganci kamar kumfa polyurethane ko ɓangarorin da aka rufe da iska don rage zafin zafi.
Wannan jerin samfuran yana da matsakaicin girma kuma yana ba da kyakkyawan zaɓi ga masu amfani waɗanda ke buƙatar adana samfuran halitta ko nitrogen na ruwa a cikin gida na dogon lokaci a ƙarƙashin yanayi mara kyau.
kwandon ruwa na nitrogen don ajiya galibi ana amfani da shi don adana samfuran halitta, reagents, da sauran kayan da ke buƙatar ƙananan yanayin zafi.
