J41W截止閥/專用球閥比較好/溫州市上七閥門有限公司J41W型PN16~PN160鋼制截止閥：手動、法蘭連接、直通式、閥座密封面材料為0Cr18Ni9系不銹鋼（J41W-16P~160P）、0Cr17Ni12Mo2系不銹鋼（J41W-16R~160R）、1Cr5Mo鉻鉬鋼（J41W-16I~160I），公稱壓力PN16~PN160，閥體材料為0Cr18Ni9系不銹鋼（J41W-16P~160P）、0Cr17Ni12Mo2系不銹鋼（J41W-16R~160R）、1Cr5Mo鉻鉬鋼（J41W-16I~160I）的截止閥。【產品零部件材料】J41Y型PN16~PN160鋼制截止閥零部件材料型號材料閥體、閥蓋閥桿密封面填料J41Y-16C~160C碳素鋼鉻不銹鋼堆焊硬基合金石棉、石墨、柔性石墨、聚四氟乙烯J41Y-16P~160P鉻鎳鉬鈦不銹鋼鉻鎳鉬鈦不銹鋼J41Y-16R~160RJ41Y-16I~160I鉻鉬合金鋼鉻鉬合金鋼.溫州市上七閥門|||J41W截止閥/專用球閥比較好/溫州市上七閥門有限公司