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  • BSI
    BS EN 437:2021 - TC Tracked Changes. Test gases. Test pressures. Appliance categories
    Edition: 2021
    $736.46
    / user per year

Description of BS EN 437:2021 - TC 2021

This document specifies the test gases, test pressures and categories of appliances relative to the use of gaseous fuels of the first, second and third families. It serves as a reference document in the specific standards for appliances.

The document makes recommendations for the use of the gases and pressures to be applied for the tests of appliances burning gaseous fuels.

NOTE

Procedures for tests are given in the corresponding appliance standards. The test gases and the test pressures specified in this standard are in principle intended to be used with all types of appliances.

However, the use of some test gases and test pressures may not be appropriate in the following cases:

  1. appliances with nominal heat input greater than 300 kW;

  2. appliances constructed on site;

  3. appliances in which the final design is influenced by the user;

  4. appliances constructed for use with high supply pressures (notably direct use of the saturated vapour pressure).

In these cases, the specific appliance standards may specify other test conditions in order to establish compliance with their requirements.



Standard NumberBS EN 437:2021 - TC
TitleTracked Changes. Test gases. Test pressures. Appliance categories
StatusDefinitive
Publication Date2021-10-21
ReplacesBS EN 437:2018 - TC
Descriptors2nd family gases, Classification systems, Fuels, Testing conditions, Calorific value, 3rd family gases, Control samples, Gas-powered devices, Gaseous fuels, Test pressure, Pressure, 1st family gases
ICS27.060.20 Gas fuel burners, 91.140.40 Gas supply systems
CommitteeGSE/26
ISBN978 0 539 19454 8
PublisherBSI
Pages128

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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