FM Global Data Sheet 4-3N Medium and high-expansion foam systems
- Abbreviation
- FM Global Data Sheet 4-3N
- Valid from
- 1/09/2010
- Information provider
- FM Global
- Author
- FM Global
- Information type
- Material specification
- Format
Description
This data sheet provides general information on medium- and high-expansion foam systems including guidelines for their use, design, installation, testing and maintenance.
Scope
FM Global has accepted and adopted NFPA 11A , Standard for Medium- and High-Expansion Foam Systems, 1999 Edition. FM Global comments including any differences between the NFPA and FM Global are provided in the FM Global Interpretation Section.
This data sheet provides general information on medium- and high-expansion foam systems including guidelines for their use design, installation, testing and maintenance. FM Global Property Loss Prevention Data Sheet 4-0, Special Protection Systems, also applies to medium- and high-expansion foam systems.
Changes September 2010. Minor editorial changes were made for this revision. January 2010. This data sheet technically supersedes the May 1993 edition of Data Sheet 4-3N which was editorially revised/reformatted in September, 1998. The previous version of this data sheet was based on the 1988 Edition of NFPA 11A.
The 1999 Edition of NFPA 11A is a reconfirmation of the 1994 Edition of NFPA which superseded the 1988 Edition of NFPA 11A. The 1994 Edition of NFPA 11A was revised to provide foam concentrate pump guidance (Section 1-12.3). This data sheet is now a separate document to be used with the 1999 Edition of NFPA 11A.
This resource is cited by:
FM Global Data Sheet 4-3N Medium and high-expansion foam systems
This document is CITED BY:
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NZS 4541:2007
FM Global Data Sheet 4-3N is cited by NZS 4541:2007 Automatic fire sprinkler systems