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ISO 23551:2018
ISO 23551:2018 Safety and control devices for gas burners and gas-burning appliances – Particular requirements – Part 4: Valve-proving systems for automatic shut-off valves
CDN $273.00
Description
ISO 23551-4:2018 specifies safety, constructional and performance requirements of valve-proving systems (VPS), intended for use with gas burners and gas-burning appliances. It also describes the test procedures for checking compliance with these requirements and provides information necessary for the purchaser and user.
ISO 23551-4:2018 is applicable to all types of VPS which are used for the automatic detection of leakage in a gas burner section having at least two valves designed in accordance with ISO 23551‚Äë1 and which give a signal if the leakage of one of the valves exceeds the detection limit.
ISO 23551-4:2018 is applicable to VPS with a maximum working pressure up to and including 500 kPa for use in systems using fuel gases.
ISO 23551-4:2018 is not applicable to VPSs for use in explosive atmospheres.
NOTE Provisions for production control are not part of the ISO 23551 series.
Edition
2
Published Date
2018-04-25
Status
PUBLISHED
Pages
31
Language
English
Format
Secure PDF
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Abstract
ISO 23551-4:2018 specifies safety, constructional and performance requirements of valve-proving systems (VPS), intended for use with gas burners and gas-burning appliances. It also describes the test procedures for checking compliance with these requirements and provides information necessary for the purchaser and user.
ISO 23551-4:2018 is applicable to all types of VPS which are used for the automatic detection of leakage in a gas burner section having at least two valves designed in accordance with ISO 23551‚Äë1 and which give a signal if the leakage of one of the valves exceeds the detection limit.
ISO 23551-4:2018 is applicable to VPS with a maximum working pressure up to and including 500 kPa for use in systems using fuel gases.
ISO 23551-4:2018 is not applicable to VPSs for use in explosive atmospheres.
NOTE Provisions for production control are not part of the ISO 23551 series.
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