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Norm

ISO 21925-1:2018

Issue date: 2018 11 28

Fire resistance tests — Fire dampers for air distribution systems — Part 1: Mechanical dampers

This document specifies a test method for the determination of the resistance of fire dampers to heat, and for the evaluation of their ability to prevent fire and smoke s...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 39 Pages
Language:
English

This document specifies a test method for the determination of the resistance of fire dampers to heat, and for the evaluation of their ability to prevent fire and smoke spreading from one fire compartment to another through an air distribution system.

It is applicable to mechanical fire dampers. It is not intended to be used for dampers used only in smoke control systems, for testing fire protection devices which only deal with air transfer applications, or for dampers used in suspended ceilings, as the installation of the damper and duct can have an adverse effect on the performance of the suspended ceiling, requiring other methods of evaluation.

NOTE "Air transfer" is a low-pressure application through a fire separation door (or wall, floor) without any connection to an air duct.

ISO 21925-1:2018
2018 11 28
Fire resistance tests — Fire dampers for air distribution systems — Part 1: Mechanical dampers
Norm
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2014 12 10
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ISO 10294-1:1996/Amd 1:2014
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Fire resistance tests — Fire dampers for air distribution systems — Part 1: Test method — Amendment ...
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ISO 10294-4:2001
2001 03 29
Fire resistance tests — Fire dampers for air distribution systems — Part 4: Test of thermal release ...
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ISO 10294-2:1999
1999 04 29
Fire resistance tests — Fire dampers for air distribution systems — Part 2: Classification, criteria...
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ISO 10294-3:1999
1999 04 29
Fire resistance tests — Fire dampers for air distribution systems — Part 3: Guidance on the test met...
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ISO 10294-1:1996
1996 12 19
Fire resistance tests — Fire dampers for air distribution systems — Part 1: Test method
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