Q647F-4.0C，Q647F-40C，Q647F-1.6P，Q647F-16P，固定式气动球阀
1Cr18Ni9Ti


1Cr18Ni12MoTi




阀杆


2Cr13


1Cr18Ni9Ti


1Cr18Ni12MoTi




密封圈


增强聚四氟乙烯对位聚笨




填料

01/23 01:29