NEN EN ISO 5172 : 2006 AMD 2 2015

Committees responsible
National foreword
Foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Hose connections
5 Material
6 Marking
7 Safety and operational requirements
8 Test conditions
9 Instructions for use
Annexes
A (informative) Terminology concerning welding and
      cutting blowpipes
ZA (normative) Normative references to international
      publications with their relevant European
      publications
Tables
1 Designations and symbols for the gases
2 Test conditions
A.1 List of terms
Figures
1 Injector-mixer (low and high pressure)
2 Mixer without injector action
3 Fuel gas injector-mixer
4 Mixer without injector action
5 Fuel gas injector-mixer with backflow resistance
      according to 7.1.5
6 Overheating test - Welding blowpipes - Single flame
7 Overheating test - Cutting blowpipes - Multi
      heating flame
8 Acceptance requirements
9 Assembly for testing blowpipes for resistance
      to sustained backfire
10 Drawing for machine-grooved copper test segment
11 Test assembly
12 Front end of nozzle
13 Assembly for testing cutting blowpipes for
      resistance to sustained backfire
14 Copper circular test segment for testing cutting
      blowpipes
15 Apparatus for test for stability in wind
16 Assembly for testing the resistance against
      backflow of fuel gas in the oxygen line
17 Assembly for testing the resistance against
      backflow of fuel gas in the oxygen line
18 Test assembly for closing flat nozzle ends heating
      blowpipes
19 Test assemble for closing recessed nozzle front ends
20 Dimensions of copper plates, examples of dimensions
      for cutting and heating nozzles
A.1 Welding blowpipes
A.2 Welding blowpipes - Mixers
A.3 Examples of welding and cutting blowpipes
A.4 Welding and cutting blowpipe
A.5 Examples of mixers and cutting nozzles
A.6 Cutting blowpipes
A.7 Cutting blowpipe with nozzle mixing
A.8 Cutting blowpipe with preliminary mixing

Specifies specifications and tests for blowpipes for gas welding, heating and cutting of metals. It applies to manual blowpipes for welding and heating with a nominal thermal power up to 32 000 kcal/h, and manual and machine cutting blowpipes with a cutting range up to 300 mm.