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EN 730-2:2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Gas welding equipment - Safety devices - Part 2: Not incorporating a flame (flashback) arrestor
Superseded date

11-01-2017

Published date

10-16-2002

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design and materials
  4.1 Connections
  4.2 Materials
5 Requirements
  5.1 General
  5.2 Gas tightness
  5.3 Pressure resistance
  5.4 Non-return valve
  5.5 Pressure relief valves
  5.6 Excess flow cut-off valves
  5.7 Flashback resistance
6 Methods for type testing
  6.1 General
  6.2 Accuracy of pressure and flow measurements
  6.3 Test gases
  6.4 Gas tightness test
  6.5 Pressure resistance test
  6.6 Non-return valve test
  6.7 Pressure relief valves
  6.8 Excess flow cut-off valve
  6.9 Internal leakage test for cut-off valves
7 Manufacturer's Instructions
8 Marking
Annex A (informative) Gas flow measurement
      A.1 General
      A.2 Procedure
Annex B (informative) Third party testing information
      B.1 General
      B.2 Samples and documentation

This part of EN 730 specifies the general requirements and tests for safety devices for fuel gases and oxygen or compressed air which do not incorporate a flame (flashback) arrestor used downstream of manifold, cylinder and (or) pipeline outlet regulators, and upstream of blowpipes for welding, cutting and allied processes. This standard does not specify the location of these devices in the gas system. This standard does not include requirements for safety devices which incorporate a flame arrestor which are covered by prEN 730-1.

Committee
CEN/TC 121
DevelopmentNote
Together with EN 730-1, Supersedes EN 730 (12/2002)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NS EN 730-2 : 1ED 2002 Identical
PN EN 730-2 : 2006 Identical
BS EN 730-2:2002 Identical
DIN EN 730-2:2003-01 Identical
SN EN 730-2 : 2002 Identical
NEN EN 730-2 : 2002 Identical
UNE-EN 730-2:2003 Identical
NF EN 730-2 : 2003 Identical
I.S. EN 730-2:2002 Identical
UNI EN 730-2 : 2006 Identical
NBN EN 730-2 : 2003 Identical

12/30262935 DC : 0 BS EN 15339-4 - THERMAL SPRAYING - SAFETY REQUIREMENTS FOR THERMAL SPRAYING EQUIPMENT - PART 4: GAS AND LIQUID FUEL SUPPLY
CEN/TR 15339-4:2014 Thermal spraying - Safety requirements for thermal spraying equipment - Part 4: Gas and liquid fuel supply
EN 15339-2:2007 Thermal spraying - Safety requirements for thermal spraying equipment - Part 2: Gas control units
S.R. CEN/TR 15339-4:2014 THERMAL SPRAYING - SAFETY REQUIREMENTS FOR THERMAL SPRAYING EQUIPMENT - PART 4: GAS AND LIQUID FUEL SUPPLY
17/30359538 DC : 0 BS EN 14324 - BRAZING - GUIDANCE ON THE APPLICATION OF BRAZED JOINTS
DIN EN 14324 E : 2004 BRAZING - GUIDANCE ON THE APPLICATION OF BRAZED JOINTS
DIN EN 14324:2004-12 Brazing - Guidance on the application of brazed joints; German version EN 14324:2004
BS EN 746-2:2010 Industrial thermoprocessing equipment Safety requirements for combustion and fuel handling systems
13/30231511 DC : 0 BS ISO 13577-2 - INDUSTRIAL FURNACES AND ASSOCIATED PROCESSING EQUIPMENT - SAFETY - PART 2: COMBUSTION AND FUEL HANDLING SYSTEMS
I.S. EN 746-2:2010 INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 2: SAFETY REQUIREMENTS FOR COMBUSTION AND FUEL HANDLING SYSTEMS
DIN EN 15339-2:2007-06 Thermal spraying - Safety requirements for thermal spraying equipment - Part 2: Gas control units
I.S. EN 730-1:2002 GAS WELDING EQUIPMENT - SAFETY DEVICES - PART 1: INCORPORATING A FLAME (FLASHBACK) ARRESTOR
I.S. EN 15339-2:2007 THERMAL SPRAYING - SAFETY REQUIREMENTS FOR THERMAL SPRAYING EQUIPMENT - PART 2: GAS CONTROL UNITS
DIN EN 746-2:2011-02 Industrial thermoprocessing equipment - Part 2: Safety requirements for combustion and fuel handling systems
UNI EN 746-2 : 2011 INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 2: SAFETY REQUIREMENTS FOR COMBUSTION AND FUEL HANDLING SYSTEMS
12/30262932 DC : 0 BS EN 15339-3 - THERMAL SPRAYING - SAFETY REQUIREMENTS FOR THERMAL SPRAYING EQUIPMENT - PART 3: TORCHES FOR THERMAL SPRAYING AND THEIR CONNECTION AND SUPPLY UNITS
PREN 14324 : DRAFT 2017 BRAZING - GUIDANCE ON THE APPLICATION OF BRAZED JOINTS
BS EN 15339-2:2007 Thermal spraying. Safety requirements for thermal spraying equipment Gas control units
BS EN 730-1:2002 Gas welding equipment. Safety devices Incorporating a flame (flashback) arrestor
BS ISO 13577-2:2014 Industrial furnaces and associated processing equipment. Safety Combustion and fuel handling systems
EN 746-2:2010 Industrial thermoprocessing equipment - Part 2: Safety requirements for combustion and fuel handling systems
EN 730-1:2002 Gas welding equipment - Safety devices - Part 1: Incorporating a flame (flashback) arrestor
EN 14324:2004 Brazing - Guidance on the application of brazed joints
PD CEN/TR 15339-4:2014 Thermal spraying. Safety requirements for thermal spraying equipment Gas and liquid fuel supply
ISO 13577-2:2014 Industrial furnaces and associated processing equipment — Safety — Part 2: Combustion and fuel handling systems
BS EN 14324:2004 Brazing. Guidance on the application of brazed joints

ISO 9539:2010 Gas welding equipment Materials for equipment used in gas welding, cutting and allied processes
EN 561:2002 Gas welding equipment - Quick-action coupling with shut-off valves for welding, cutting and allied processes
EN 560:2005/AC:2007 GAS WELDING EQUIPMENT - HOSE CONNECTIONS FOR EQUIPMENT FOR WELDING, CUTTING AND ALLIED PROCESSES
ISO 2503:2009 Gas welding equipment Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa)
ISO 7291:2010 Gas welding equipment Pressure regulators for manifold systems used in welding, cutting and allied processes up to 30 MPa (300 bar)
EN ISO 7291:2010/A1:2015 GAS WELDING EQUIPMENT - PRESSURE REGULATORS FOR MANIFOLD SYSTEMS USED IN WELDING, CUTTING AND ALLIED PROCESSES UP TO 30 MPA (300 BAR) (ISO 7291:2010/AMD 1:2015)
ISO 554:1976 Standard atmospheres for conditioning and/or testing — Specifications
EN 730-1:2002 Gas welding equipment - Safety devices - Part 1: Incorporating a flame (flashback) arrestor
EN ISO 2503:2009/A1:2015 GAS WELDING EQUIPMENT - PRESSURE REGULATORS AND PRESSURE REGULATORS WITH FLOW-METERING DEVICES FOR GAS CYLINDERS USED IN WELDING, CUTTING AND ALLIED PROCESSES UP TO 300 BAR (30 MPA) (ISO 2503:2009/AMD 1:2015)
EN 29090:1992 Gas tightness of equipment for gas welding and allied processes (ISO 9090:1989)
EN 29539 : 1992 SPECIFICATION FOR MATERIALS FOR EQUIPMENT USED IN GAS WELDING, CUTTING AND ALLIED PROCESSES
ISO 9090:1989 Gas tightness of equipment for gas welding and allied processes

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