真空隔离截止阀 NKJ61H-40,NKJ61H-64,NKJ61H-100,NKJ61Y-401,NKJ61-601,NKJ61Y-1001,|产品总汇|无锡市昌林自动化科技有限公司手机版

真空隔离截止阀 NKJ61H-40,NKJ61H-64,NKJ61H-100,NKJ61Y-401,NKJ61-601,NKJ61Y-1001,
KJ61Y-1型

铬钼钢

20Cr1M01VA或38CrMoAIA

12Cr1mo1VA

Y:硬质合金

铬钼钢