型号:J44W、J44H、J44Y
口径:DN15-200mm
压力:1.6MPa-4.0MPa
材质:铸钢、锻钢、不锈钢
型号:J44Y、J44H、L44H、L44Y
口径:DN3-100
压力:1.6MPa-32.0MPa