優質蝸輪球閥-J41W截止閥生產廠家-溫州市上七閥門有限公司Q341F、Q341Y型PN16~PN40蝸桿傳動球閥：蝸桿傳動、法蘭連接、浮動球直通式結構形式，閥座密封面材料為PTFE、增強PTFE塑料（Q341F）、金屬堆焊鈷基（Q341Y），公稱壓力PN16~PN40，閥體材料為WCB、CF8、CF8M的球閥。Q341F、Q341Y型PN16~PN40蝸桿傳動球閥零部件材料型號材料閥體閥桿密封面填料Q341F-16CWCB2Cr133043161Cr18Ni9Ti1Cr18Ni12Mo2TiPTFE、增強PTFEPTFEQ341F-25Q341F-40Q341Y-16C金屬堆焊鈷基柔性石墨Q341Y-25Q341Y-40Q341F-16PCF8304PTFE、增強PTFEPTFEQ341F-25PQ341F-40PQ341Y-16P金屬堆焊鈷基柔性石墨Q341Y-25PQ341Y-40PQ341F-16RCF8M316PTFE、增強PTFEPTFEQ341F-25RQ341F-40RQ341Y-16R金屬堆焊鈷基柔性石墨Q341Y-25RQ341Y-40R.溫州市上七閥門///優質蝸輪球閥-J41W截止閥生產廠家-溫州市上七閥門有限公司