DY30BX-1.0-DN20,DY30BX-1.0-DN25,DY30BX-1.0-DN32,DY30BX-1.0-DN40,缓开快闭止回阀|产品总汇|无锡市昌林自动化科技有限公司手机版

DY30BX-1.0-DN20,DY30BX-1.0-DN25,DY30BX-1.0-DN32,DY30BX-1.0-DN40,缓开快闭止回阀
115

115

115

85

85

85

68

68

65

4-13.5

4-13.5