J23W-160R不锈钢外螺纹焊接仪表阀针型阀

J23W-160P,J23W-16P,J23W-25P,J23W-40P,J23W-64P,J23W-100P,J23W-160P,J23W-250P,J23W-320P,J23W-160RL,J23W-16RL,J23W-25RL,J23W-40RL,J23W-64RL,J23W-100RL,J23W-160RL,J23W-250RL,J23W-320RL,J23W-160R,J23W-16R,J23W-25R,J23W-40R,J23W-64R,J23W-100R,J23W-160R,J23W-250R,J23W-320R,J23H-160P,J23H-16P,J23H-25P,J23H-40P,J23H-64P,J23H-100P,J23H-160P,J23H-250P,J23H-320P,J23H-160R,J23H-16R,J23H-25R,J23H-40R,J23H-64R,J23H-100R,J23H-160R,J23H-250R,J23H-320R,J23H-16C,J23H-25C,J23H-40C,J23H-64C,J23H-100C,J23H-160C,J23H-250C,J23H-320C,J23H-16R,J23H-25R,J23H-40R,J23H-64R,J23H-100R,J23H-160R,J23H-250R,J23H-320R,J23Y-16P,J23Y-25P,J23Y-40P,J23Y-64P,J23Y-100P,J23Y-160P,J23Y-250P,J23Y-320P,J23Y-160RL,J23Y-16RL,J23Y-25RL,J23Y-40RL,J23Y-64RL,J23Y-100RL,J23Y-160RL,J23Y-250RL,J23Y-320RL,J23Y-160R,J23Y-16R,J23Y-25R,J23Y-40R,J23Y-64R,J23Y-100R,J23Y-160R,J23Y-250R,J23Y-320R.DN4，DN6，DN10，DN15，DN20，DN25，DN32，DN40，DN50.