NEN EN 14540 : 2014
Current
The latest, up-to-date edition.
FIRE-FIGHTING HOSES - NON-PERCOLATING LAYFLAT HOSES FOR FIXED SYSTEMS
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Materials and construction of hose
5 Dimensions, tolerances and maximum mass
5.1 Inside diameter and maximum mass
5.2 Length and tolerances on length
6 Performance requirements of finished hose
6.1 Hydrostatic requirements
6.1.1 Deformation under normal working pressure
6.1.2 Deformation under proof pressure
6.1.3 Minimum burst pressure
6.1.4 Kink pressure
6.2 Adhesion
6.3 Accelerated ageing
6.4 Low temperature flexibility
6.5 Hot surface resistance
6.6 Resistance to kinking
7 Marking
Annex A (normative) Kink pressure test
A.1 Principle
A.2 Test piece
A.3 Apparatus
A.4 Procedure
A.5 Test report
Annex B (normative) Accelerated ageing test
B.1 Test piece
B.2 Procedure
Annex C (normative) Low temperature flexibility test
C.1 Test piece
C.2 Apparatus
C.3 Procedure
C.4 Test report
Annex D (normative) Hot surface resistance test
D.1 Test piece
D.2 Apparatus
D.3 Procedure
D.4 Test report
Annex E (normative) Test for resistance to kinking
E.1 Test piece
E.2 Apparatus
E.3 Procedure
E.4 Test report
Annex F (informative) Recommended minimum frequencies
of testing
Bibliography
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