D341双偏心软密封蝶阀

Q347F美标固定球阀

Q41F-150LB美标浮动球阀

H44H-16C国标止回阀

H44H-150LB美标止回阀

T40H-16C国标调节阀

J41H-150美标截止阀

J41H-16C国标截止阀

Z41H-150/300/600LB美标闸阀

Z41-16/25/40/63/100国标闸阀

SD43H手动伸缩蝶阀

D343H手动法兰式美标蝶阀