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About This Item
Full Description
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.
Document History
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ISO 21925-1:2018
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Fire resistance tests - Fire dampers for air distribution systems - Part 1: Mechanical dampers- Most Recent
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ISO 10294-4:2001/Amd1:2014
- Amendment 1: Specific performance requirement for thermal release mechanism based upon performance of thermal release mechanism used in ISO 10294-1 test specimen- Historical Version
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ISO 10294-4:2001
Fire resistance tests -- Fire dampers for air distribution systems -- Part 4: Test of thermal release mechanism- Historical Version
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ISO 10294-2:1999
Fire resistance tests -- Fire dampers for air distribution systems -- Part 2: Classification, criteria and field of application of test results- Historical Version
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ISO 10294-3:1999
Fire resistance tests -- Fire dampers for air distribution systems -- Part 3: Guidance on the test method- Historical Version
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ISO 10294-1:1996
Fire resistance tests - Fire dampers for air distribution systems - Part 1: Test method- Historical Version
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ISO 10294-1:1996/Amd1:2014
- Amendment 1- Historical Version