Product series
D941J-16C 电动衬胶法兰蝶...
D971J-10C电动对夹衬胶蝶阀
D943H-10C电动低压法兰蝶阀
D941F-40C DN200电动衬氟304
D971F46-25C D971F46-16C电...
D971X-16P电动对夹软密封蝶...
D671X-16气动对夹软密封蝶阀
D673F-16P气动四氟密封对夹
SD341X-25C涡轮伸缩软密封蝶