ASME B31.9-2020 Building Services Piping – pdf download
B31.9 建筑服务管道规范2020版中文PDF下载 | ASME B31.9-2020 建筑管道规范pdf
ASME B31.9-2020是全球工业、商业、公共及多单元住宅建筑内低压-低温水、蒸汽、空气、燃气、制冷剂等通用管道系统的设计、材料、制造、安装、检验与维护权威美国国家标准，2020版新增多向应力指数（SSI）与应力集中系数（SIF）统一计算、铸铁/球墨铸铁区分、热塑性塑料允许应力、焊缝缺陷验收准则等关键修订，确保建筑内部管道在有限压力温度范围内的安全、节能与法规合规，被全球楼宇机电、暖通空调、消防、给排水EPC公司及美国各州建筑法规强制引用 。
Download permission
View
-
￥Download for freeDownload after commentDownload after login
- {{attr.name}}：
Your current level is
Login for free downloadLogin
Your account has been temporarily suspended and cannot be operated！
Download after commentComment
Download after paying ￥ points
please firstLogin
You have run out of downloads ( times) please come back tomorrow orUpgrade Membership
Download after paying pointsPay Now
Download after paying pointsPay Now
Your current user level is not allowed to downloadUpgrade Membership
You have obtained download permission
You can download resources every daytimes, remaining todaytimes left today
