BS EN 521:2019

BS EN 521:2019 Specifications for dedicated liquefied petroleum gas appliances. Portable vapour pressure liquefied petroleum gas appliances

standard by British-Adopted European Standard, 04/25/2019

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Scope: This document specifies the construction and performance characteristics related to safety and therational use of energy of portable appliances burning liquefied petroleum gases at the vapour pressurewithin the gas cartridge or gas cylinder, excepting those where the gas cartridge is inserted horizontallyin the chassis.

NOTE These appliances are referred to in the body of the text as "appliances".This document covers appliances for outdoor or in well ventilated areas uses only.

For example the following types of appliances are covered:
a) cooking appliances (stoves, grills, barbecues...);

This document does not cover barbecues that can be used indoors;
b) lighting appliances;
c) heating appliances;

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

This document only applies to blowtorches without a flexible hose;
e) laboratory burners.

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

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

This document covers neither appliances supplied with LPG in the liquid phase nor appliance with fixedintegral 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 intothe 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.

Cross References:
EN 549:1994
EN 30-1-1
EN 125:2010+A1:2015
EN 437:2018
EN 60335-1:2002
EN 16617:2015
EN ISO 14113:2013
EN ISO 9994
EN ISO 3821:2010
EN 417


All current amendments available at time of purchase are included with the purchase of this document.

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