GB/T3477-1996表2型式名称规格号1050126014601475AFA级方角门(1000500)(1200600)(1400600)(1400750)1490166016751690AYA级四角门(1400900)(1600600)(1600750)(1600X900)1050126014601475BFB级方角门(1000500)(1200600)(1400600)(1400750)1490166016751690BYB级例角门(1400900)(1600X600)(1600750)(1600900)1050126014601475CFC级方角门(1000500)(1200600)(1400600)(1400X750)1190166016751690CYC级圆角门(1400900)(1600600)(1600750)(1600X900)1050126014601475DFD级方角门(1000500)(1200600)(1400600)(1400750)】1490166016751690DYD级圆角门(1400900)(1600X600)(1600750)(1600900)186018751890(1800X600)(1800750)(1800900)注:C级,D级门可按需要加装直径为250mm的船用钢质固定圆窗,代号为“G”。2