说明:最全专利文库
文库搜索
切换导航
文件分类
频道
联系我们
问题反馈
文件分类
联系我们
问题反馈
批量下载
建筑排水管道系统防污染用塑料止回阀 Plastic check valves for anti-pollution for discharge piping systems inside buildings ICS 83.140.30 CCS G 33 中华人民共和国国家标准 GB/T 44574—2024 2024-09-2 9发布 2025-04-0 1实施 国家市场监督管理总局 国家标准化管理委员会 发 布 目 次 前言 ····································································································· Ⅲ 1 范围 ·································································································· 1 2 规范性引用文件 ······················································································ 1 3 术语和定义、符号和缩略语 ·········································································· 1 3.1 术语和定义 ······················································································ 1 3.2 符号和缩略语 ···················································································· 2 4 材料 ·································································································· 2 5 设计 ·································································································· 3 6 要求 ·································································································· 3 6.1 外观 ······························································································ 3 6.2 颜色 ······························································································ 3 6.3 规格尺寸 ························································································· 3 6.4 性能要求 ························································································· 4 6.5 铅限量 ··························································································· 5 7 试验方法 ······························································································ 5 7.1 状态调节 ························································································· 5 7.2 外观和颜色 ······················································································ 5 7.3 尺寸 ······························································································ 5 7.4 密度 ······························································································ 5 7.5 维卡软化温度 ···················································································· 5 7.6 熔体质量流动速率变化率 ········································································ 5 7.7 氧化诱导时间 ···················································································· 6 7.8 烘箱试验 ························································································· 6 7.9 坠落试验 ························································································· 6 7.10 流通能力 ························································································ 6 7.11 水密性 ·························································································· 6 7.12 铅限量 ·························································································· 6 8 检验规则 ······························································································ 7 8.1 检验分类 ························································································· 7 8.2 组批和分组 ······················································································ 7 8.3 出厂检验 ························································································· 7 8.4 型式检验 ························································································· 8 8.5 判定规则 ························································································· 8 9 标志、包装、运输、贮存 ···························
GB-T 44574-2024 建筑排水管道系统防污染用塑料止回阀
文档预览
中文文档
19 页
50 下载
1000 浏览
0 评论
309 收藏
3.0分
赞助2元下载(无需注册)
温馨提示:本文档共19页,可预览 3 页,如浏览全部内容或当前文档出现乱码,可开通会员下载原始文档
下载文档到电脑,方便使用
赞助2元下载
本文档由 人生无常 于
2025-02-19 13:24:32
上传分享
举报
下载
原文档
(601.5 KB)
分享
友情链接
DB37-T 4074—2020 山东省美丽村居建设标准 山东省.pdf
DB11-T 1640-2019 冷库系统节能监测 北京市.pdf
DB13-T 5022-2019 冶金企业气体防护站安全管理规范 河北省.pdf
信息安全风险评估表格.docx
T-GDSS 002—2018 不锈钢管及双卡压式管件.pdf
GB-T 39786-2021 信息安全技术 信息系统密码应用基本要求.pdf
GB-T 34653-2017 全断面隧道掘进机 单护盾岩石隧道掘进机.pdf
赛迪 2020中国安全运营中心调研分析报告.pdf
GB-T 36399-2018 连续热镀铝硅合金镀层钢板及钢带.pdf
DB34-T 4757-2024 固定污染源废气挥发性有机物监测技术规范 安徽省.pdf
T-CSTM 00411—2021 化学试剂 苯甲醇.pdf
GB-T 39418-2020 风暴潮等级.pdf
GB-T 42559-2023 声学 干涉型光纤水听器相移灵敏度测量.pdf
GB-Z 29830.3-2013 信息技术 安全技术 信息技术安全保障框架 第3部分:保障方法分析.pdf
TC260 网络安全标准实践指南 Windows 7操作系统安全加固指引.pdf
DB52-T 1041-2015 贵州省红粘土和高液限土路基设计与施工技术规范 贵州省.pdf
思度安全-DSMM-020 数据安全年度培训计划V1.0.pdf
GB-T 41263-2022 工控系统动态重构主动防御体系架构规范.pdf
DB11-T 2046.4-2022 智慧停车系统技术要求 第4部分:数据规范及质量评估 北京市.pdf
GM-T 0010-2012 SM2密码算法加密签名消息语法规范.pdf
交流群
-->
1
/
3
19
评价文档
赞助2元 点击下载(601.5 KB)
回到顶部
×
微信扫码支付
2
元 自动下载
官方客服微信:siduwenku
支付 完成后 如未跳转 点击这里 下载
站内资源均来自网友分享或网络收集整理,若无意中侵犯到您的权利,敬请联系我们
微信(点击查看客服)
,我们将及时删除相关资源。