BS ISO 4427-1:2019 - Plastics Piping Systems for Water Supply and for Drainage and Sewerage Under Pressure

Standard Number: BS ISO 4427-1:2019

Pages: 26

Released: August 15, 2019

ISBN: 978 0 580 52416 5

Status: Standard

Overview

The BS ISO 4427-1:2019 standard is an essential document for professionals involved in the design, installation, and maintenance of plastic piping systems. This standard specifically addresses systems used for water supply, drainage, and sewerage under pressure, utilizing polyethylene (PE) materials. As a comprehensive guide, it provides the necessary specifications and guidelines to ensure the safe and efficient use of polyethylene piping systems in various applications.

Key Features

• Comprehensive Coverage: This standard covers all aspects of polyethylene piping systems, including materials, design, installation, and testing. It ensures that all components meet the necessary quality and safety standards.
• Internationally Recognized: As part of the ISO standards, BS ISO 4427-1:2019 is recognized globally, making it a reliable reference for international projects and collaborations.
• Up-to-Date Information: Released in 2019, this standard incorporates the latest advancements and research in the field of plastic piping systems, ensuring that users have access to the most current information.
• Detailed Guidelines: The document provides detailed guidelines on the selection of materials, system design, and installation procedures, helping professionals make informed decisions.

Applications

The BS ISO 4427-1:2019 standard is applicable to a wide range of industries and sectors, including:

• Water Supply Systems: Ensures the safe and efficient transport of potable water through polyethylene piping systems.
• Drainage Systems: Provides guidelines for the design and installation of drainage systems that require pressure handling capabilities.
• Sewerage Systems: Offers specifications for sewerage systems that operate under pressure, ensuring durability and reliability.

Benefits

Adhering to the BS ISO 4427-1:2019 standard offers numerous benefits, including:

• Enhanced Safety: By following the guidelines set out in this standard, professionals can ensure the safety and integrity of piping systems, reducing the risk of leaks and failures.
• Cost Efficiency: Properly designed and installed systems minimize maintenance costs and extend the lifespan of the piping infrastructure.
• Environmental Protection: The use of high-quality polyethylene materials and adherence to the standard's guidelines help protect the environment by preventing contamination and reducing waste.
• Regulatory Compliance: Meeting the requirements of this internationally recognized standard ensures compliance with local and international regulations, facilitating smoother project approvals and operations.

Why Choose Polyethylene (PE)?

Polyethylene is a preferred material for piping systems due to its numerous advantages:

• Durability: PE pipes are resistant to corrosion, chemicals, and abrasion, making them suitable for a variety of environments.
• Flexibility: The flexibility of PE pipes allows for easy installation and the ability to withstand ground movements and vibrations.
• Lightweight: PE pipes are lightweight, reducing transportation and handling costs.
• Non-Toxic: PE is a non-toxic material, making it safe for transporting potable water.

Conclusion

The BS ISO 4427-1:2019 standard is an invaluable resource for anyone involved in the design, installation, and maintenance of polyethylene piping systems for water supply, drainage, and sewerage under pressure. By adhering to this standard, professionals can ensure the safety, efficiency, and longevity of their piping systems, while also meeting regulatory requirements and protecting the environment. Whether you are working on a local project or an international collaboration, this standard provides the comprehensive guidelines needed to achieve success.

BS ISO 4427-1:2019

This standard BS ISO 4427-1:2019 Plastics piping systems for water supply and for drainage and sewerage under pressure. Polyethylene (PE) is classified in these ICS categories:

• 91.140.60 Water supply systems
• 23.040.20 Plastics pipes
• 93.025 External water conveyance systems
• 23.040.45 Plastics fittings

1

This document specifies the general aspects of polyethylene (PE) compounds for the manufacture of pressure pipes and fittings (mains and service pipes) for buried or above ground applications, intended for the conveyance of:

• —

  water for human consumption;

• —

  raw water prior to treatment;

• —

  drainage and sewerage under pressure;

• —

  vacuum sewer systems;

• —

  water for other purposes.

This document also specifies the test parameters and requirements for the test methods referred to in this document.

In conjunction with other parts of the ISO 4427 series, this document is applicable to PE pipes and fittings, their joints and to joints with components made of PE and other materials, intended to be used under the following conditions:

1. a)

   a maximum allowable operating pressure (PFA) up to and including 25 bar ¹

   ¹

   1 bar = 0,1 MPa = 10 ⁵ Pa; 1 MPa = 1 N/mm ².

   ;
   
   
2. b)

   an operating temperature of 20 °C as the reference temperature.

NOTE 1

For other operating temperatures, guidance is given in Annex A.

The ISO 4427 series covers a range of maximum allowable operating pressures and gives requirements concerning colours.

NOTE 2

It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and installation practices or codes.