Name: ISO 11414:2009 — Plastics pipes and fittings — Preparation of polyethylene (PE) pipe/pipe or pipe/fitting test piece assemblies by butt fusion
SKU: ISO 11414:2009
Price: 25 EUR
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Overview

ISO 11414:2009 specifies a standardized method for preparing butt-fusion test piece assemblies between polyethylene (PE) pipes and spigot-ended fittings. The standard defines the joint geometry, ambient conditions, fusion-cycle phases and key fusion parameters so laboratories and manufacturers can evaluate how site assembly variables affect joint performance. It is intended for preparing test specimens (pipe/pipe or pipe/fitting) used in mechanical and destructive testing, while noting that field fusion procedures may differ by manufacturer or local standards.

Key Topics and Requirements

Scope: Preparation of PE pipe/pipe and pipe/fitting test assemblies by butt fusion for performance testing.
Fusion cycle phases: heating (phase 1), heat-soak (phase 2), heater-plate withdrawal (phase 3), pressure increase (phase 4), butt fusion (phase 5) and cooling (phase 6).
Heater-plate temperature: nominal range 200–230 °C; Table B.1 gives condition-specific values (nominal 215 ± 5 °C, minimum 205 ± 5 °C, maximum 230 ± 5 °C).
Interface and butt-fusion pressures: typical interface pressure ~0.15 ± 0.02 MPa (condition-dependent limits: 0.13–0.17 ± 0.02 MPa).
Bead width and time parameters: bead width (B), heating times and soak/cool durations are specified in Annex A/A.2 and vary with wall thickness (e.g., thicker walls require longer heating and cooling).
Joint geometry tolerances: maximum misalignment (∆a) and maximum face clearance (∆w) specified (e.g., ∆w ≤ 0.3 mm for d

ISO 11414:2009 PDF

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