GL41J衬胶Y型过滤器

Z41J法兰衬胶闸阀

H44J法兰旋启式衬胶止回阀

GJ41J法兰衬胶管夹阀

J41J法兰直通式衬胶截止阀

J45J法兰直流式衬胶截止阀

D41X/D41J手柄法兰衬胶蝶阀

D341J蜗轮法兰衬胶蝶阀

G941J电动衬胶法兰隔膜阀

G46J法兰直通式衬胶隔膜阀

G45J法兰直流式衬胶隔膜阀

G41J法兰堰式衬胶隔膜阀