蜗轮球阀上展式放料阀厂家温州市上七阀门有限公司Q341F、Q341Y型PN16~PN40蜗杆传动球阀:蜗杆传动、法兰连接、浮动球直通式结构形式,阀座密封面材料为PTFE、增强PTFE塑料(Q341F)、金属堆焊钴基(Q341Y),公称压力PN16~PN40,阀体材料为WCB、CF8、CF8M的球阀。Q341F、Q341Y型PN16~PN40蜗杆传动球阀零部件材料型号材料阀体阀杆密封面填料Q341F-16CWCB2Cr133043161Cr18Ni9Ti1Cr18Ni12Mo2TiPTFE、增强PTFEPTFEQ341F-25Q341F-40Q341Y-16C金属堆焊钴基柔性石墨Q341Y-25Q341Y-40Q341F-16PCF8304PTFE、增强PTFEPTFEQ341F-25PQ341F-40PQ341Y-16P金属堆焊钴基柔性石墨Q341Y-25PQ341Y-40PQ341F-16RCF8M316PTFE、增强PTFEPTFEQ341F-25RQ341F-40RQ341Y-16R金属堆焊钴基柔性石墨Q341Y-25RQ341Y-40R.温州市上七阀门///蜗轮球阀上展式放料阀厂家温州市上七阀门有限公司