SIST EN ISO 15877-3:2009 PDF

Overview

EN ISO 15877-3:2009 - Plastics piping systems for hot and cold water installations - Chlorinated poly(vinyl chloride) (PVC‑C) - Part 3: Fittings (CEN adoption of ISO 15877-3:2009) specifies the characteristics and test parameters for PVC‑C fittings used in building hot and cold water and heating systems. It covers fittings manufactured (typically by injection‑moulding) for domestic and heating service conditions within the design pressures and temperatures defined in ISO 15877‑1:2009. The standard applies to solvent‑cement joints, mechanical fittings and fittings with incorporated inserts and defines material, geometrical, mechanical and performance requirements as well as marking and testing parameters.

Key Topics

• Scope and applicability
  • Fittings for conveyance of water (including systems intended for human consumption) and heating systems, limited to the design temperature/pressure ranges in ISO 15877‑1.
  • Not applicable when design or malfunction temperatures exceed ISO 15877‑1 values.
• Material characteristics
  • Requirements for PVC‑C material behaviour (thermal stability, property evaluation) and interaction with metallic components.
  • Consideration of influence on water quality for human consumption.
• Geometrical characteristics
  • Dimensional requirements for fittings, sockets, flange adaptors and metallic components to ensure interchangeability and correct jointing.
• Mechanical characteristics
  • Resistance to internal pressure, hydrostatic test pressure derivation and free‑length determination for performance under service loads.
• Jointing and components
  • Specifications for solvent cement joints, mechanical fittings and fittings with inserts; parameters for adhesives and sealing rings.
• Testing & marking
  • Parameters for referenced test methods, performance requirements and minimum marking information required on fittings.

Applications

• Who uses this standard
  • Manufacturers of PVC‑C fittings and injection‑moulders specifying product design and quality control.
  • Plumbing and heating system designers and specifiers selecting fittings for hot/cold water and heating installations.
  • Testing laboratories and conformity assessment bodies verifying compliance with performance and marking requirements.
  • Installers, contractors and building regulators referencing accepted materials and joint types for safe water systems.
• Typical use cases
  • Domestic potable water distribution systems, internal building plumbing and low‑temperature heating circuits where PVC‑C is chosen for mechanical strength and thermal resistance within the specified class limits.

Related Standards

• ISO 15877 series (Part 1 - General; Part 2 - Pipes; Part 5 - Fitness for purpose; Part 7 - Conformity guidance)
• Other system standards for hot and cold water piping: ISO 15874 (PP), ISO 15875 (PE‑X), ISO 15876 (PB), and ISO 22391 (PE‑RT)
• CEN adoption: EN ISO 15877‑3:2009

Keywords: PVC‑C fittings, chlorinated poly(vinyl chloride), ISO 15877‑3:2009, hot and cold water installations, plumbing fittings, solvent cement joints, mechanical fittings, piping systems, design pressure, testing parameters.