最近,国家标准化管理委员会批准发布了GB3445-2005《室内消火栓》国家标准第1号修改单,于2009年5月1日起实施。GB3445标准修改单内容如下:在5.2条中增加一款:“5.2.6旋转型室内消火栓旋转部位的材料应采用铜合金或奥氏体不锈钢等耐腐蚀材料制作。”据该标准编制组介绍,为满足建 Recently, the National Standardization Management Committee approved the release of GB3445-2005 “Indoor Hydrant,” the national standard No. 1 amendment list, in May 1, 2009 come into operation. GB3445 standard single amendment reads as follows: In 5.2 added a paragraph: “5.2.6 rotating indoor fire hydrant rotating parts of the material should be made of copper alloy or austenitic stainless steel and other corrosion-resistant materials.” According to the standard preparation group presentation, To meet the construction