NKJ41H-4.0-DN10,NKJ41H-4.0-DN15,NKJ41H-4.0-DN20,NKJ41H-4.0-DN25,真空截止阀|产品总汇|无锡市昌林自动化科技有限公司手机版

NKJ41H-4.0-DN10,NKJ41H-4.0-DN15,NKJ41H-4.0-DN20,NKJ41H-4.0-DN25,真空截止阀

支架

25、WCB

Cr5Mo

阀瓣

2Cr13、WCB

Cr5Mo

阀杆

2Cr13

38CrMoAL、25Cr2MoV