DXF系列四氟單向閥采用聚四氟乙烯設計,聚四氟乙烯與金屬面密封,獨特的結構設計,使該產品壽命提高2倍,主要適用于家用及商用空調。 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.