Name: UNI EN ISO 13477 : 2008
Brand: UNI

THERMOPLASTICS PIPES FOR THE CONVEYANCE OF FLUIDS - DETERMINATION OF RESISTANCE TO RAPID CRACK PROPAGATION (RCP) - SMALL-SCALE STEADY-STATE TEST (S4 TEST)

Published date

25-09-2008

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principle
6 Test parameters
7 Apparatus
   7.1 General
   7.2 Containment cage
   7.3 Gauge length
   7.4 Decompression baffles
   7.5 Crack-initiation equipment
   7.6 End caps
8 Test pieces
9 Conditioning
10 Test procedure
11 Interpretation of results
12 Test report
Annex A (normative) - Determination of critical
        pressure (or hoop stress)
Annex B (normative) - Determination of critical
        temperature
Annex C (informative) - Critical pressure correlation
        between S4 and full-scale tests for PE pipes
Annex D (informative) - Fluid decompression and effect
        on RCP - Theoretical analysis
Bibliography

Describes a small-scale (S4) test method for determining the arrest or propagation of a crack initiated in a thermoplastics pipe at a specified temperature and internal pressure.

Committee	SC 8
DocumentType	Test Method
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
EN ISO 13477:2008	Identical
ISO 13477:2008	Identical

ISO 161-1:1996	Thermoplastics pipes for the conveyance of fluids Nominal outside diameters and nominal pressures Part 1: Metric series
ISO 13478:2007	Thermoplastics pipes for the conveyance of fluids — Determination of resistance to rapid crack propagation (RCP) — Full-scale test (FST)
ISO 3126:2005	Plastics piping systems Plastics components Determination of dimensions
ISO 11922-1:1997	Thermoplastics pipes for the conveyance of fluids — Dimensions and tolerances — Part 1: Metric series
ISO 1167-1:2006	Thermoplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 1: General method