DXF系列四氟單向閥采用聚四氟乙烯設(shè)計,聚四氟乙烯與金屬面密封,獨(dú)特的結(jié)構(gòu)設(shè)計,使該產(chǎn)品壽命提高2倍,主要適用于家用及商用空調(diào)。 DXF series teflon check valve adopts polytetrafluoroethylene design,Teflon and metalsurface seal,unique structural design,so that the product life increased by 2 times,mainly for domestic and commercial air conditioning.