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

阀座

25、304

304

密封环

膨胀柔性石墨

填料

膨胀柔性石墨

阀杆螺母

ZCuA110Fe3