J45JJ45J 直流式截止阀

J45FSJ45FS 直流式截止阀

J44FSJ44FS 角式截止阀

J41JJ41J 衬胶截止阀

J41FSJ41FS 衬氟截止阀

J11W-16PJ11W-16R 不锈钢丝口截止阀

J41B/FJ41B/F氨用截止阀

J941HJ941H传动钢制电动截止阀

J41HJ41H 铸钢截止阀

J11W不锈钢内螺纹截止阀

J41H国标截止阀

NKJ61H真空截止阀