详细介绍 阀门规格材质H2D1D2L1BDN50(2")碳钢6612595.4113113DN65(2-1/2")73145108.3113113DN80(3")80160123.2113113DN100(4")102180154.2113113DN125(5")117210180158.7158.7DN150(6")131240209158.7158.7DN200(8")164295263158.7158.7DN250(10")195350321