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《Recommended Practice for Water Flow Testing and Marking of Hydrants》(NFPA291-2022)【美国消防协会标准】【附完整PDF版下载】


内容来源:互联网 发布时间:2022-04-12 更新时间:2022-04-12 访问量:2197-0


《Recommended Practice for Water Flow Testing and Marking of Hydrants》(NFPA291-2022)【美国消防协会标准】【附完整PDF版下载】









简介:美国消防协会标准 NFPA291-2022(英文版)

NFPA 291 provides guidance on fire flow tests and marking of hydrants in order to determine and indicate the relative available fire service water supply from hydrants and to identify possible deficiencies which could be corrected to ensure adequate fire flows as needed.

Conduct fire flow testing and correctly mark hydrants using NFPA 291, Recommended Practice for Water Flow Testing and Marking of Hydrants, which now includes both metric and imperial measurements.

NFPA 291, Recommended Practice for Water Flow Testing and Marking of Hydrants, provides fire protection engineers, contractors, installers, and authorities having jurisdiction (AHJs) with the latest procedures to:

Determine the rate of flow available at various locations for fire protection systems and firefighting purposes.

Classify hydrants in accordance with their rated capacities.

Color-code hydrants to indicate their class.

For the 2022 edition of NFPA 291, Recommended Practice for Water Flow Testing and Marking of Hydrants, the purpose and application of the recommended practice have been revised to clarify its applicability.

Further changes made for the 2022 edition include the following:

Definitions for a variety of hydrant types have been added.

The list of equipment needed for field work has been modified and expanded.

A description of the pressure gauges to be used and the various types of discharge devices have been added.

A new test method for evaluating the available flow through a single hydrant has been added.



PDF质量:高清无水印PDF扫描版(官方正式版、完整版,共计:28P(页),PDF文档大小:10.8MB)




《Recommended Practice for Water Flow Testing and Marking of Hydrants》(NFPA291-2022)【美国消防协会标准】【附完整PDF版下载】

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