J44 J47高压角式截止阀

J44Y美标角式高压截止阀

J44F46直角式衬氟截止阀

J44B法兰角式氨用截止阀

J41B氨用截止阀

J24B角式外螺纹氨用截止阀

J21B外螺纹氨用截止阀

J14B氨用内螺纹角式截止阀

J11B内螺纹氨用截止阀

WJ44H德标直角式波纹管截止阀

WJ41H德标波纹管截止阀

J41H德标截止阀