DZ40Y-40LCB,DZ40Y-40LC1,DZ40Y-40LC2,伞齿轮低温闸阀
DZ40Y-40LC3,无锡昌林,DZ40Y-40LC4,DZ40Y-40P,DZ40Y-40R,
DZ40Y-64LCB,DZ40Y-64LC1,DZ40Y-64LC2,
DZ40Y-64LC3,DZ40Y-64LC4,无锡昌林,DZ40Y-64P,DZ40Y-64R,
DZ40Y-100LCB,DZ40Y-100LC1,DZ40Y-100LC2,
DZ40Y-100LC3,无锡昌林,DZ40Y-100LC4,DZ40Y-100P,DZ40Y-100R,