气动法兰式伸缩蝶阀 SD643H-6-DN50,SD643H-10-DN65,SD643H-16-DN80,SD643H-6-DN100,SD643H-10-DN125,|产品总汇|无锡市昌林自动化科技有限公司手机版

气动法兰式伸缩蝶阀 SD643H-6-DN50,SD643H-10-DN65,SD643H-16-DN80,SD643H-6-DN100,SD643H-10-DN125,

D1

D2

n-d

50

2

80

400

164

138

151