WJ41-16-DN15,WJ41-16-DN20,WJ41-16-DN25,WJ41-16-DN32,WJ41-16-DN40,国标波纹管截止阀|产品总汇|无锡市昌林自动化科技有限公司手机版

WJ41-16-DN15,WJ41-16-DN20,WJ41-16-DN25,WJ41-16-DN32,WJ41-16-DN40,国标波纹管截止阀

2.5

3.75

2.75

4.0

6.0

4.4

6.4

9.6

7.04

WJ41H国标波纹管截止阀主要零部件材质