S424H402,S424H405,S424H753,S424H776,S424H778,S424H412,424型单气动弹簧复位自控球阀OMAL
S424H402,S424H403,S424H404,S424H405,S424H406,S424H407,S424H408,S424H409, S424H752,S424H753,S424H754,S424H755,S424H756,S424H757,S424H758,S424H759, S424H772,S424H773,S424H774,S424H775,S424H776,S424H777,S424H778,S424H779, S424H6T2,S424H6T3,S424H6T4,S424H6T5,S424H6T6,S424H6T7,S424H6T8,S424H6T9, S424H410,S424H411,S424H412, *=40:螺纹连接 *=75：套焊连接 *=77:对焊连接 *=6T：三夹式连接 DN65-DN100标准型为螺纹连接，根据要求提供不同连接方式