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BS EN 13476-3:2025 - TC Tracked Changes. Plastics piping systems for non-pressure underground drains and sewers. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Specifications for pi, 2025
- A-30481217.pdf [Go to Page]
- undefined
- European foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and abbreviations [Go to Page]
- 4.1 Symbols
- 4.2 Abbreviations
- 5 Material [Go to Page]
- 5.1 General
- 5.2 Unplasticized poly(vinyl chloride) (PVC-U) [Go to Page]
- 5.2.1 General
- 5.2.2 Formulation characteristics of pipe and fitting
- 5.3 Polypropylene (PP) [Go to Page]
- 5.3.1 General
- 5.3.2 Compound characteristics for pipe and fitting
- Table 2 — Characteristics of PP compound for pipes and injection-moulded fittings [Go to Page]
- 5.3.3 Melt mass-flow rate classification
- 5.4 Polyethylene (PE) [Go to Page]
- 5.4.1 General
- 5.4.2 Compound characteristics of pipes and injection-moulded fittings
- Table 3 — Characteristics of PE compound for pipes and injection‐moulded fittings [Go to Page]
- 5.4.3 Compound characteristics of rotational-moulded fittings
- Table 4 — Characteristics of PE compound for rotational‐moulded fittings [Go to Page]
- 5.5 Sealing ring retaining components
- 5.6 Sealing rings
- 5.7 Fused or welded joints
- 5.8 Adhesives for PVC-U
- 6 Designation of wall constructions and examples of typical jointing methods [Go to Page]
- 6.1 General
- 6.2 Wall constructions designated as Type B [Go to Page]
- 6.2.1 Ribbed or corrugated construction
- Figure 1 — Typical example of wall construction type B, ribbed construction
- Figure 2 — Typical example of wall construction type B, profile wall construction
- Figure 3 — Typical examples of wall construction type B, corrugated double-wall construction [Go to Page]
- 6.2.2 Typical jointing methods for structured-wall type B
- Figure 4 — Typical example of elastomeric sealing ring joints with the sealing ring located on the spigot, Type B ribbed construction
- Figure 5 — Typical example of elastomeric sealing ring joints with the sealing ring located on the spigot, Type B corrugated double wall construction
- Figure 6 — Typical example of an elastomeric sealing ring joint with sealing ring located in the socket, Type B [Go to Page]
- 6.3 Designation and design of joints
- 7 Appearance and colour
- 8 Geometrical characteristics [Go to Page]
- 8.1 General
- 8.2 Dimensions [Go to Page]
- 8.2.1 Designation
- 8.2.2 Lengths of pipe
- 8.2.3 Diameters of Type B pipes and spigots of pipes or fittings [Go to Page]
- 8.2.3.1 Nominal sizes
- Table 5 — Nominal sizes, minimum mean inside diameters, thickness of inside layers and socket length [Go to Page]
- 8.2.3.2 Outside diameters of pipes and spigots
- Table 6 — Outside diameter tolerances and inside diameters of sockets [Go to Page]
- 8.2.4 Diameters and jointing dimensions of sockets and spigots [Go to Page]
- 8.2.4.1 Joints with the elastomeric sealing ring positioned in the socket
- 8.2.4.2 Joints with the elastomeric sealing ring positioned on the spigot
- 8.2.5 Wall thicknesses [Go to Page]
- 8.2.5.1 General
- 8.2.5.2 Wall thickness of pipes and spigots
- Table 7 — Minimum required wall thicknesses of plain spigots [Go to Page]
- 8.2.5.3 Wall thickness of sockets [Go to Page]
- 8.2.5.3.1 General
- 8.2.5.3.2 Wall thickness of sockets with stiffness ≥ 4 kN/m2
- 8.2.5.3.3 Wall thickness of sockets with stiffness < 4 kN/m2
- 8.2.5.3.4 Wall thickness of sockets heat formed on the pipes after extrusion
- 8.2.5.3.5 Wall thickness of sockets conforming to EN 1401-1, EN 1852-1, EN 14758-1 or EN 12666-1
- 8.2.5.4 Wall thickness of the body of injection-moulded fittings
- 8.2.5.5 Wall thickness of the body of fabricated fittings
- 8.2.5.6 Wall thickness of rotational moulded fittings
- 8.3 Types of fittings
- 8.4 Design length of fittings
- 9 Physical characteristics [Go to Page]
- 9.1 Unplastisized poly(vinyl chloride) (PVC-U) [Go to Page]
- 9.1.1 Physical characteristics of PVC-U pipes
- Table 8 — Physical characteristics of PVC-U pipes [Go to Page]
- 9.1.2 Physical characteristics of PVC-U fittings
- Table 9 — Physical characteristics of PVC-U injection moulded fittings [Go to Page]
- 9.2 Polypropylene (PP) [Go to Page]
- 9.2.1 Physical characteristics of PP pipes
- Table 10 — Physical characteristics of PP pipes [Go to Page]
- 9.2.2 Physical characteristics of PP fittings
- Table 11 — Physical characteristics of PP injection moulded components [Go to Page]
- 9.3 Polyethylene (PE) [Go to Page]
- 9.3.1 Physical characteristics of PE pipes
- Table 12 — Physical characteristics of PE pipes [Go to Page]
- 9.3.2 Physical characteristics of PE fittings
- Table 13 — Physical characteristics of PE injection moulded components
- 10 Mechanical characteristics [Go to Page]
- 10.1 Mechanical characteristics of pipes [Go to Page]
- 10.1.1 General requirements
- Table 14 — Mechanical characteristics of pipes [Go to Page]
- 10.1.2 Ring flexibility
- 10.1.3 Tensile strength
- Table 15 — Minimum tensile strength of seam [Go to Page]
- 10.2 Mechanical characteristics of fittings
- Table 16 — Mechanical characteristics of fittings
- 11 Performance requirements
- Table 17 — Performance requirements
- 12 Marking [Go to Page]
- 12.1 General
- 12.2 Minimum required marking [Go to Page]
- 12.2.1 Pipes
- Table 18 — Minimum required marking of pipes [Go to Page]
- 12.2.2 Fittings
- Table 19 — Minimum required marking of fittings [Go to Page]
- 12.3 Additional marking
- Annex A (normative) Formulation PVC-U material
- Annex B (normative) Utilization of PVC-U recyclates
- B.1 General
- B.2 Agreed specification
- Table B.1 — Minimum content of an agreed specification for PVC-U recyclate
- B.3 Additional specifications for recyclate and agreed specifications
- Annex C (normative) Compound PP material
- Annex D (normative) Utilization of PP recyclate
- D.1 General
- D.2 Agreed specification
- Table D.1 — Minimum content of an agreed specification for PP recyclate
- D.3 Additional specifications for recyclate and agreed specification
- Annex E (normative) Compound PE material
- Annex F (normative) Utilization of PE recyclate
- F.1 General
- F.2 Agreed specification
- Table F.1 — Minimum content of an agreed specification for PE recyclate
- F.3 Additional specifications for recyclate and agreed specification
- Annex G (normative) Impact test at 23 C
- Table G.1 — Test parameters and requirements for Impact testing at 23 C
- Annex H (normative) Impact test at −10 C
- Table H.1 — Mechanical characteristics of pipes
- Annex I (normative) Ring flexibility test at 20 % diametric deflection
- Table I.1 — Test parameters and requirements for ring flexibility testing at 20 % diametric deflection
- Annex J (normative) Impact test for large diameter pipes with structured wall
- J.1 Principle
- J.2 Apparatus
- Figure J.1 — Example of modified V-block
- J.3 Test samples
- J.3.1 Preparation
- J.3.2 Number of test pieces
- J.4 Conditioning
- Table J.1 — Conditioning of test pieces
- J.5 Procedure
- Figure J.2 — Example method 1
- Figure J.3 — Example method 2
- J.6 Test result
- Bibliography [Go to Page]
