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BS EN 521:2019

BS EN 521:2019

$215.11

Specifications for dedicated liquefied petroleum gas appliances. Portable vapour pressure liquefied petroleum gas appliances

Published By Publication Date Number of Pages
BSI 2019 72
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This document specifies the construction and performance characteristics related to safety and the rational use of energy of portable appliances burning liquefied petroleum gases at the vapour pressure within the gas cartridge or gas cylinder, excepting those where the gas cartridge is inserted horizontally in the chassis.

NOTE These appliances are referred to in the body of the text as “appliances”.

This document applies to various types of portable appliances burning liquefied petroleum gases at vapour pressure and designed to be used with cartridges as complying with EN 417 or gas cylinders.

This document covers appliances for outdoor or in well ventilated areas uses only.

For example the following types of appliances are covered:

  1. cooking appliances (stoves, grills, barbecues…);

    This document does not cover barbecues that can be used indoors;

  2. lighting appliances;

  3. heating appliances;

    This document only applies to appliances with a maximum heat input of up to 3 kW (Hs) for outdoor use only;

  4. blowtorches;

    This document only applies to blowtorches without a flexible hose;

  5. laboratory burners.

The requirements apply to these appliances or their functional sections whether or not the latter are independent or incorporated into an assembly.

Appliances covered by this document are not connected to a flue for the discharge of products of combustion and are not connected to the mains electricity supply.

This document covers neither appliances supplied with LPG in the liquid phase nor appliance with fixed integral container which may or may not be refilled by the user

It does not apply to lighters as defined in EN ISO 9994.

It does not apply to gas appliances operating with a valve cartridge which is horizontally integrated into the chassis of the appliance also called “flat portable gas stove”.

Requirements for rational use of energy have been included for stove burners.

However, such requirements have not been included for the other types of appliances because:

  • for grills and barbecues, this is a type of cooking which is achieved by various means such as radiant elements; in addition this type of cooking varies according to the type of food and region where the appliance is used;

  • for lighting appliances, the consumption is insignificant because these appliances have a very low rate and are used only for a few hours in a year;

  • for heating appliances, all the heat produced is discharged into the environment;

  • for tools such as blowtorches which are not professional tools in regular use, the gas consumption depends very much on the way it is used.

PDF Catalog

PDF Pages PDF Title
2 National foreword
14 5.4.1 Assembly
15 5.4.2 Cleaning, maintenance
5.5.1 Strength
5.5.2 Stability
16 5.7.1 General
5.7.2 Appliances intended to be directly fitted to the gas cartridge or gas cylinder
18 5.9.1 General
5.9.2 Needle valves
19 5.10.1 Construction
5.10.2 Marking
21 5.15.1 General
5.15.2 Grid with a rigid useful area
22 5.18.1 Compartments for gas cylinder
23 5.18.2 Compartment for gas cartridge
5.21.1 Floor standing or table standing appliances
24 5.21.2 Appliances designed to be held during use
5.22.1 Floor and table standing appliances
5.22.2 Appliances intended for suspension
25 5.30.1 Efficiency of stove burners
26 6.1.1 Test gases
27 6.1.2 Test conditions
6.1.3 Test gases and pressures
28 6.1.4 Test vessel
6.5.1 Strength
29 6.5.2 Stability
30 6.6.1 Soundness of the appliance
31 6.6.2 Soundness of flexible tube connections
6.6.3 Soundness of burner assemblies
6.7.1 General
6.7.2 Appliances directly connected to gas cartridge or gas cylinder
33 6.13.1 General
6.13.2 Ignition delay time
6.13.3 Extinction delay time
34 6.17.1 Strength of fireguards
6.17.2 Dimensions
6.19.1 Test
35 6.19.2 Calculation of heat inputs
36 6.21.1 Test installation
6.21.2 Test method
37 6.22.1 Floor standing appliances
6.22.2 Fixed appliances
6.23.1 Test conditions
38 6.23.2 Test on individual burners, others being extinguished
6.23.3 Test on individual burners, others being lit
40 6.26.1 General conditions
6.26.2 Stove burners
6.26.3 Analysis of the products of combustion
42 6.30.1 Uncovered stove burners
43 6.30.2 Covered burners
60 Annex A (normative)Characteristics of test vessels (see 6.5.2.3)
62 Annex B (normative)Tests on needle valves (see 6.9)
B.1 Resistance to temperature
B.2 Endurance
63 Annex C (informative)Examples of authorized solutions

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BS EN 521:2019
$215.11