ISO 3633-2002 PDF

Full title and description

Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings — Unplasticized poly(vinyl chloride) (PVC‑U). This International Standard specifies requirements for PVC‑U pipes, fittings and assemblies used for internal soil and waste discharge, associated ventilation and internal rainwater drainage; buried pipework is excluded.

Abstract

ISO 3633:2002 defines product and system requirements, test parameters and performance criteria for unplasticized PVC (PVC‑U) piping systems intended for soil and waste discharge (both low and high temperature), associated ventilation and rainwater downpipes inside buildings. The document sets dimensional, material, appearance and testing requirements for pipes, fittings and their assemblies to ensure safe, hygienic and durable internal drainage systems.

General information

• Status: Published (confirmed).
• Publication date: 5 September 2002 (Edition 2).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 23.040.20 (Plastics pipes); 91.140.80 (Drainage systems).
• Edition / version: Edition 2 (2002); confirmed in subsequent reviews (latest confirmation recorded 2024).
• Number of pages: 29.

(General information items above are taken from the ISO bibliographic record and catalog entries for ISO 3633:2002.)

Scope

This standard applies to PVC‑U pipes, fittings and assemblies intended for: (1) soil and waste discharge pipework for domestic wastewaters (low and high temperature) inside buildings; (2) ventilation pipework associated with such systems; and (3) rainwater pipework inside the building. It explicitly excludes buried pipework and does not set requirements for underground drainage. The standard also specifies the test parameters for referenced test methods used to verify conformity.

Key topics and requirements

• Application and marking: designation of intended application (e.g., B for internal building use), identification and marking requirements for pipes and fittings.
• Material and formulation: requirements for unplasticized PVC (PVC‑U) raw material and permitted additives; where formulation is unknown or disputed, minimum PVC content thresholds are commonly used as acceptance criteria in practice.
• Dimensional and geometric tolerances: pipe and fitting dimensions, squareness of ends, wall thickness tolerances and fits for joints.
• Surface quality and appearance: internal and external surface finish, absence of defects that could affect hydraulic performance or jointing.
• Performance and testing: referenced test methods and test parameter limits for mechanical strength, joint performance, hydrostatic properties and behaviour at specified temperatures.
• System considerations: requirements for assemblies, joint types and guidance on compatibility of components to ensure leak‑free and durable installations.

Typical use and users

Manufacturers of PVC‑U pipes and fittings, product conformity/quality teams, plumbing and building services designers, specification writers, installers, testing laboratories and regulatory authorities rely on ISO 3633:2002 when producing, specifying or verifying internal soil, waste, ventilation and rainwater drainage systems inside buildings.

Related standards

ISO 3633:2002 was published as a revision of ISO 3633:1991 and is part of the body of ISO/TC 138 work on plastics piping systems for soil, waste and drainage. Related documents include test‑method and system standards for thermoplastic drainage systems (for example, standards on joint airtightness and installation guidance produced within ISO/TC 138 and complementary CEN technical reports for installation and testing).

Keywords

PVC‑U, unplasticized polyvinyl chloride, plastics piping systems, soil and waste discharge, internal drainage, ventilation pipework, rainwater downpipes, drainage, plumbing, ISO 3633.

FAQ

Q: What is this standard?

A: ISO 3633:2002 is an International Standard that specifies requirements and test parameters for unplasticized PVC (PVC‑U) piping systems used for internal soil and waste discharge, associated ventilation and internal rainwater drainage inside buildings.

Q: What does it cover?

A: It covers material requirements, dimensional and appearance criteria, marking, system assembly requirements and the test parameters for referenced test methods used to demonstrate conformity of PVC‑U pipes, fittings and assemblies for internal gravity drainage and ventilation purposes; buried (underground) pipework is excluded.

Q: Who typically uses it?

A: Manufacturers, product certifiers, testing laboratories, plumbing designers, installers and building regulators use ISO 3633:2002 when specifying, producing, testing or approving PVC‑U internal drainage systems.

Q: Is it current or superseded?

A: ISO 3633:2002 is the second edition (published 5 September 2002) and has been subject to periodic review; the ISO bibliographic record shows confirmation actions in subsequent reviews (the edition is recorded as confirmed in recent systematic reviews). It replaced ISO 3633:1991.

Q: Is it part of a series?

A: Yes — ISO 3633:2002 sits within the suite of ISO/TC 138 standards on plastics piping systems for soil, waste and drainage (ISO/TC 138/SC 1). It is related to other system and test standards that address joint testing, installation guidance and other thermoplastic piping materials used for internal drainage.

Q: What are the key keywords?

A: PVC‑U, plastics piping, soil and waste, drainage systems, rainwater, ventilation, internal building drainage, ISO 3633.