Z41X-1.0-DN50,Z41X-1.0-DN65,Z41X-1.0-DN80,Z41X-1.0-DN100,消防专用信号闸阀|产品总汇|无锡市昌林自动化科技有限公司手机版

Z41X-1.0-DN50,Z41X-1.0-DN65,Z41X-1.0-DN80,Z41X-1.0-DN100,消防专用信号闸阀

9

铜螺母

锡青铜

10

阀杆

不锈钢

11

阀瓣

球墨铸铁+三元乙丙或丁腈橡胶