gb 12955-2008防火门

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1、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Fireresistantdoorsetswww.bzfxw.com2008-04-22发布2009-01-01实施国家质量监督检验检疫总局发布国家标准化管理委员会GB12955－2008目次前言..................................................................................II1范围......................

2、...........................................................12规范性引用文件.......................................................................13术语和定义...........................................................................14分类、代号与标记............................................

3、.........................25要求...............................................................................45.1一般要求...........................................................................55.2材料..............................................................................

4、.55.3配件.............................................................................65.4加工工艺和外观质量.................................................................65.5门扇质量...........................................................................75.6尺寸极限偏差....................

5、...................................................75.7形位公差...........................................................................75.8配合公差...........................................................................85.9灵活性...................................................

6、........................85.10可靠性..........................................................................85.11耐火性能..........................................................................86试验方法.............................................................................86.

7、1试件要求...........................................................................86.2仪器设备的准确度...................................................................86.3材料...............................................................................96.4配件.........................

8、......................................................96.5加工工艺和外观质量........