ICS13.340.30CCS C 73`中 华 人 民 共 和 国 国 家 标 准GB 6220—202X代替 GB 6220-2009呼吸防护 长管呼吸器Respiratory protection —— Air line respirators（征求意见稿）（本草案完成时间：2022-6-1）在提交反馈意见时，请将您知道的相关专利连同支持性文件一并附上。XXXX - XX - XX发布XXXX - XX - XX实施GB 6220—202X目次前言................................................................................I1 范围.................................................................................12 规范性引用文件.......................................................................13 术语和定义...........................................................................14 产品分类和组成.......................................................................45 技术要求.............................................................................45.1 材料.............................................................................45.2 结构.............................................................................55.3 制造商设计最低送气量（MMDF）.....................................................55.4 密合型面罩.......................................................................55.5 开放型面罩和送气头罩.............................................................65.6 附加防护功能.....................................................................65.7 总泄漏率（TIL）..................................................................65.8 吸入气体中二氧化碳的含量.........................................................75.9 呼吸阻力.........................................................................75.10 呼吸导管........................................................................75.11 送气管..........................................................................75.12 连接强度........................................................................85.13 流量控制阀......................................................................85.14 高低温适应性....................................................................85.15 部件阻燃性能....................................................................95.16 送气装置........................................................................95.17 肺动阀..........................................................................95.18 移动压缩空气供气系统............................................................95.19 转换装置.......................................................................105.20 清洗和消毒.....................................................................105.21 实用性能评价...................................................................105.22 制造商应提供信息...............................................................116 测试方法............................................................................116.1 试验样品........................................................................116.2 试验环境条件....................................................................116.3 表观检查........................................................................116.4 预处理..........................................................................116.5 总泄漏率........................................................................126.6 吸入气体中二氧化碳的...
