ICS13.220.50C82中华人民共和国国家标准GB12955—2008代替GB12955-1991、GB14101-1993防火门Fireresistantdoorsets2008-04-22发布2009-01-01实施国家质量监督检验检疫总局国家标准化管理委员会发布GB12955－2008I目次前言................................................................................III1范围................................................................................12规范性引用文件......................................................................13术语和定义..........................................................................14分类、代号........................................................................24.1按材质分类及代号..................................................................24.2按门扇数量分类及代号..............................................................24.3按结构型式分类及代号............................................................24.4按耐火性能分类及代号..............................................................34.5其它代号、标记....................................................................35要求..............................................................................45.1一般要求..........................................................................45.2材料..............................................................................55.3配件............................................................................65.4加工工艺和外观质量................................................................65.5尺寸极限偏差......................................................................75.6形位公差..........................................................................75.7配合公差..........................................................................75.8灵活性..........................................................................85.9可靠性..........................................................................85.10门扇质量....................................................................
