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Homepage>BS Standards>27 ENERGY AND HEAT TRANSFER ENGINEERING>27.060 Burners. Boilers>27.060.20 Gas fuel burners>20/30381643 DC BS ISO 23551-1. Safety and control devices for gas burners and gas-burning appliances. Particular requirements Part 1. Automatic and semi-automatic valves
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immediate downloadReleased: 2020-02-05
20/30381643 DC BS ISO 23551-1. Safety and control devices for gas burners and gas-burning appliances. Particular requirements Part 1. Automatic and semi-automatic valves

20/30381643 DC

BS ISO 23551-1. Safety and control devices for gas burners and gas-burning appliances. Particular requirements Part 1. Automatic and semi-automatic valves

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Standard number:20/30381643 DC
Pages:49
Released:2020-02-05
Status:Draft for Comment
DESCRIPTION

20/30381643 DC


This standard 20/30381643 DC BS ISO 23551-1. Safety and control devices for gas burners and gas-burning appliances. Particular requirements is classified in these ICS categories:
  • 27.060.20 Gas fuel burners

This part of ISO 23551 specifies safety, constructional and performance requirements and testing of automatic and semi-automatic shut-off valves for gas burners, gas appliances and appliances of similar use.

It applies to

  • normally closed valves,

  • valves being mounted upstream to gas burners and gas appliances,

  • valves with declared maximum working pressures up to and including 500 kPa, for use on burners or in appliances using fuel gases such as natural gas, manufactured gas or liquefied petroleum gas (LPG),

  • valves directly or indirectly actuated, electrically or by mechanical means,

  • valves actuated by hydraulic or pneumatic means,

  • valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal, and

  • valves fitted with closed position indicator switches.

This part of ISO 23551 covers type testing only.