GJ41J法兰衬胶管夹阀

G49J衬胶三通隔膜阀

G45J法兰直流式衬胶隔膜阀

G41J法兰堰式衬胶隔膜阀

G941J电动衬胶法兰隔膜阀

G46J法兰直通式衬胶隔膜阀

H44J法兰旋启式衬胶止回阀

H41J升降式衬胶止回阀

H40J浮球式衬胶止回阀

J41J法兰直通式衬胶截止阀

J45J法兰直流式衬胶截止阀

J941J电动衬胶截止阀