NF EN 23994 : 1993

Cooperating organizations
National foreword
Foreword
Specification
0 Introduction
1 Scope and field of application
2 References
3 Materials and construction
4 Dimensions and tolerances
5 Physical tests on finished hose
6 Marking
Annexes
A Pressure impulse test
B Vacuum test
C Reinforcement fracture test
Tables
1 Nominal bore and tolerance - Types 1 and 2
2 Nominal bore and tolerance - Type 3
3 Hydrostatic tests at 23 + or - 2 deg C
4 Hydrostatic tests at 55 + or - 2 deg C
5 Pressures for the vacuum test
6 Extension pieces for fracture test
Figures
1 Pressure impulse cycle
2 Suitable impulse test circuit
3 Diagrammatic representation of reinforcement
    fracture test
National annexes
NA (informative) Committees responsible
NB (informative) Cross-references

Specifies the requirements for three types of polymer reinforced thermoplastics hose for suction and discharge applications. The types (light service, normal service and heavy service) will be used in the -10 to +55 Deg C temperature range. Coverage includes marking, dimensions and tolerances, and materials and construction. Also includes annexes, tables and diagrams.