ISO 13577-3:2016
Industrial furnaces and associated processing equipment — Safety — Part 3: Generation and use of protective and reactive atmosphere gases
Industrial furnaces and associated processing equipment — Safety — Part 3: Generation and use of protective and reactive atmosphere gases
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 66
- Дата публикации:
- 19 сентября 2016 г.
- Издание:
- ISO IS 13577 edition 1 version 1
- ICS:
- 13.100
ISO 13577-3:2016 specifies safety requirements for generation and use of protective and reactive atmosphere gases that are part of industrial thermo-processing equipment (TPE). NOTE The general safety requirements common to TPE are provided in ISO 13577‑1 (see Introduction). ISO 13577-3:2016 deals with significant hazards, hazardous situations and events relevant to the generation and use of protective and reactive atmosphere gases created by thermochemical reactions and their use in TPE that are part of TPE as listed in Clause 4 and Clause 5, when used as intended and under the conditions foreseen by the manufacturer. It covers - pipework downstream of and including the manual isolating valve, - equipment for the generation of atmosphere gases, - additional equipment for the use of atmosphere gases in TPE, - safety devices, and - functional requirements for safety related control system for the generation and use of protective and reactive atmosphere gases. It applies to the supply of atmosphere gas, source gas, inert gas and process liquids to TPE and their removal from TPE, confined to equipment integrated in the TPE. ISO 13577-3:2016 also details the anticipated significant hazards associated with atmosphere gas systems and their use in TPE and specifies the appropriate preventative measures for the reduction or elimination of these hazards. The pressure hazard of the piping and components covered by this standard is within the maximum pressure/size relationship of group I as described in Annex C. It - specifies the requirements to be met to ensure the safety of persons and property during installation, commissioning, start up, operation, shutdown and maintenance, - does not cover the relevant risks involved in the flue gas ducting system when it is not considered a part of TPE, - is not applicable to utility supply upstream of the TPE main disconnects, - does not apply to TPE for semi-conductor devices, - does not apply to TPE with atmosphere, such as air and flue gas from an over stoichiometric combustion, - does not cover the decommissioning of the TPE, - does not cover vacuum furnaces, - does not deal with the hazard of noise which is covered in ISO 13577‑1, - is not applicable to generation and use of atmosphere gas in TPE and associated plant which is manufactured before the date of its publication, and - gives the necessary requirements for the information for use. A TPE designed according to ISO 13577-3:2016 does not create any potentially explosive atmosphere in the area around the TPE and is not designed to be located in an area with a potentially explosive or hazardous atmosphere. A table of typical protective and reactive gases is given in Annex B.
Abstract
Overview
ISO 13577-3:2016 - "Industrial furnaces and associated processing equipment - Safety - Part 3: Generation and use of protective and reactive atmosphere gases" specifies safety requirements for the generation, distribution and use of protective and reactive atmosphere gases that are integrated into industrial thermo‑processing equipment (TPE). The standard addresses hazards, preventive measures and functional safety requirements for equipment and pipework that are part of the TPE (including pipework from and including the manual isolating valve). Annexes list typical atmosphere gases (Annex B) and allowed maximum pressures (Annex C).
Key topics and technical requirements
- Scope of coverage: Atmosphere gas generation equipment, downstream pipework, additional atmosphere-use equipment, safety devices and safety‑related control functions integrated with TPE.
- Pipework and fittings: Requirements for connections, marking, condensate drains, purge points, vents, pressure relief and soundness/tightness.
- Safety devices and controls: Atmosphere gas control equipment, emergency purge, flame arrestors, burners for exothermic/endothermic generation, and monitoring (including flame detection).
- Change-of‑atmosphere procedures: Purging methods (purge gas, self‑ignition, burning, evacuation) and interfaces to exhaust systems for combustible or toxic gases.
- Functional safety: Requirements for safety‑related control systems and guidance on determining SIL/PL (see Annex E for examples).
- Verification and information for use: Commissioning, start‑up, operation, shutdown, maintenance procedures, marking and the instruction handbook requirements.
- Limitations and exclusions: Not applicable to utility supplies upstream of TPE disconnects, vacuum furnaces, TPE for semiconductor manufacture, decommissioning, or TPE manufactured before the publication date. Noise hazards are covered in ISO 13577‑1.
Practical applications and who uses it
ISO 13577-3:2016 is used by:
- Manufacturers and designers of industrial furnaces and TPE integrating atmosphere gas systems
- Plant safety and process engineers responsible for heat‑treatment atmospheres (e.g., carburizing, nitriding, annealing)
- System integrators, control engineers and automation teams implementing safety-related control functions (SIL/PL)
- Commissioning teams, maintenance personnel and certification bodies assessing compliance and risk reduction measures
The standard helps ensure safe generation, handling and switching of protective/reactive atmospheres, preventing ignitable or toxic releases and defining safe purge and exhaust practices.
Related standards
- ISO 13577‑1 - General requirements for TPE
- ISO 13577‑2 - Combustion and fuel handling systems
- ISO 13577‑4 - Protective systems
- ISO 13574 - Vocabulary (terms referenced in Annex J)
Note: compliance with product standards such as ISO 22967/22968 alone is not sufficient; ISO 13577‑3 takes precedence for TPE covered by this Part.
Технические детали
- Технический комитет
- ISO/TC 244 - Industrial furnaces and associated processing equipment
- SKU
- ISO 13577-3:2016
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ISO 13577-1:2016
ДействующийIndustrial furnaces and associated processing equipment — Safety — Part 1: General requirements
Overview ISO 13577-1:2016 - "Industrial furnaces and associated processing equipment - Safety - Part 1: General requirements" defines the general safety requirements common to industrial furnaces and…