UNI EN 746-3 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 3: SAFETY REQUIREMENTS FOR THE GENERATION AND USE OF ATMOSPHERE GASES
27-05-2022
01-01-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 List of hazards
5 Safety requirements for the use of atmosphere gases
5.1 Purging
5.2 Safety control equipment for atmosphere gases
5.3 Thermo-processing equipment requirements
6 Safety requirements for atmosphere gas generators
6.1 Reaction gas supplies
6.2 Fuel gas supplies
6.3 Air supplies
6.4 Mixture supplies
6.5 Electrical supplies
6.6 Cooling water supplies and discharge
6.7 Atmosphere gas supplies and distribution
6.8 System requirements
7 Verification of the safety requirements and/or measures
8 Information for use
8.1 Instruction handbook
8.2 Marking
Annex A (informative) Typical Atmosphere Gases
Annex B (informative) Explosion Hazards of Gas Mixtures
Containing Combustibles
Annex C (informative) Inert Gas Purging
Annex D: Bibliography
Annex E (informative) Used Definitions
Annex ZA (informative) Relationship between this European
Standard and the Essential Requirements of EU
Directive 98/37/EC
Annex ZB (informative) Relationship between this European
Standard and the Essential Requirements of EU
Directive 2006/42/EC
Describes safety requirements for atmosphere gas systems and their use in industrial thermo-processing equipment and associated plant, including systems for the production of atmosphere gases by reaction inside the thermo-processing equipment.
| DevelopmentNote |
REPLACES WITH PTS 1 & 2 UNI 7728
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| EN 746-3:1997+A1:2009 | Identical |
| DIN EN 746-3:2010-02 | Identical |
| NBN EN 746-3 : 1997 + A1 2009 | Identical |
| SN EN 746-3 : 1997 + A1 2009 | Identical |
| NS EN 746-3 : 1997 + A1 2009 | Identical |
| BS EN 746-3 : 1997 | Identical |
| NF EN 746-3 : 1997 + A1 2009 | Identical |
| I.S. EN 746-3:1997 | Identical |
| UNE-EN 746-3:1997 | Identical |
| NEN EN 746-3 : 1997 + A1 2009 | Identical |
| ONORM EN 746-3 : 2009 | Identical |
| EN 746-1:1997+A1:2009 | Industrial thermoprocessing equipment - Part 1: Common safety requirements for industrial thermoprocessing equipment |
| IEC 60364-4-43:2008 | Low-voltage electrical installations - Part 4-43: Protection for safety - Protection against overcurrent |
| IEC 60519-3:2005 | Safety in electroheat installations - Part 3: Particular requirements for induction and conduction heating and induction melting installations |
| EN 746-2:2010 | Industrial thermoprocessing equipment - Part 2: Safety requirements for combustion and fuel handling systems |
| IEC 60364-4-41:2005+AMD1:2017 CSV | Low voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock |
| IEC 60204-1:2016 | Safety of machinery - Electrical equipment of machines - Part 1: General requirements |
| IEC 60519-2:2006 | Safety in electroheat installations - Part 2: Particular requirements for resistance heating equipment |
| EN 161:2011+A3:2013 | Automatic shut-off valves for gas burners and gas appliances |
| EN 60519-1:2015 | Safety in installations for electroheating and electromagnetic processing - Part 1: General requirements |
| IEC 60364-4-44:2007+AMD1:2015 CSV | Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances |
| ISO 12100-2:2003 | Safety of machinery Basic concepts, general principles for design Part 2: Technical principles |
| ISO 12100-1:2003 | Safety of machinery Basic concepts, general principles for design Part 1: Basic terminology, methodology |
| EN 298:2012 | Automatic burner control systems for burners and appliances burning gaseous or liquid fuels |
| IEC 60519-1:2015 | Safety in installations for electroheating and electromagnetic processing - Part 1: General requirements |
| EN 88-1:2011+A1:2016 | Pressure regulators and associated safety devices for gas appliances - Part 1: Pressure regulators for inlet pressures up to and including 50 kPa |
| EN 60519-2:2006 | SAFETY IN ELECTROHEAT INSTALLATIONS - PART 2: PARTICULAR REQUIREMENTS FOR RESISTANCE HEATING EQUIPMENT |
| EN 60204-1 : 2006 COR 2010 | SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.