Q341F-1.0C，Q341F-10C，Q341F-6.4C，Q341F-64C，Q341F-40C，蜗轮浮动法兰球阀|产品总汇|无锡市昌林自动化科技有限公司手机版

Q341F-1.0C，Q341F-10C，Q341F-6.4C，Q341F-64C，Q341F-40C，蜗轮浮动法兰球阀
接法兰

GB/T9113
JB/T79
Hg20592

ANSI B16.5、B16.47