Norm

NEN-ISO 23551-3:2005 en

Veiligheids- en regelinrichtingen voor gasbranders en gasverbruikstoestellen - Speciale eisen - Deel 3: Regelaars voor gas/lucht-verhouding, pneumatische soort

48,19

Over deze norm

Status Definitief
Aantal pagina's 10
Gepubliceerd op 01-04-2005
Taal Engels
This part of ISO 23551 specifies the safety, construction and performance requirements for gas/air ratio controls, pneumatic type (hereafter referred to as "ratio control"), for inlet pressures up to and including 50 kPa, of a nominal connection size up to and including DN 250, intended for use with gas appliances using fuel gases as natural gas, manufactured gas or liquefied petroleum gas (LPG). It also describes the test procedures for evaluating these requirements and specifies information necessary for installation and use. This part of ISO 23551 is applicable to gas/air ratio controls for gas-burning appliances that can be tested independently of the appliance. It is applicable to gas/air ratio controls which function by controlling a gas pressure (or differential pressure) output in response to an air pressure (or differential pressure) and to a furnace back pressure signal input; but gas/air ratio controls which change the air pressure in response to the gas pressure are not excluded. This part of ISO 23551 is not applicable to mechanically linked valves and electronic systems.

Details

ICS-code 27.060.20
Nederlandse titel Veiligheids- en regelinrichtingen voor gasbranders en gasverbruikstoestellen - Speciale eisen - Deel 3: Regelaars voor gas/lucht-verhouding, pneumatische soort
Engelse titel Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 3: Gas/air ratio controls, pneumatic type

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