型号:BZ41W
口径:DN40-800mm
压力:1.6MPa-4.0MPa
材质:铸铁、铸钢、不锈钢
型号:DZ11Y、DZ61Y、DZ41Y
口径:DN15-50mm
压力:1.6-MPa-32.0MPa
材质:锻钢