H-300Lb-DN300,J40H-300Lb-DN350,
J40H-300Lb-DN400,J40H-600Lb-DN15,J40H-600Lb-DN20,J40H-600Lb-DN25,J40H-600Lb-DN32,J40H-600Lb-DN40,J40H-600Lb-DN50,J40H-600Lb-DN65,J40H-600Lb-DN80,
J40H-600Lb-DN100,J40H-600Lb-DN125,J40H-600Lb-DN150,J40H-600Lb-DN200,J40H-600Lb-DN250,J40H-600Lb-DN300,J40H-600Lb-DN350,J40H-600Lb-DN400,
美标法兰截止阀适用于公称压力PN1．6～16MPa，工作温度-29～550℃的石油、化工、制药、化肥、电力行业等各种工况的管路上，切断或接通管路介质。驱动方式有手动、齿轮传动、电动、气动等。设计标准