ISO 16139:2006/Amd 1:2019 PDF

Overview

ISO 16139:2006/Amd 1:2019 is an important amendment to the international standard governing industrial gate valves made from thermoplastic materials. Developed by ISO Technical Committee ISO/TC 138, Subcommittee SC 7, this amendment updates key specifications related to materials, dimensions, testing, and marking for thermoplastic gate valves used in fluid handling systems.

Gate valves covered by this standard are designed for applications involving a range of nominal diameters (DN 10 to DN 350) and pressure ratings (PN 6, PN 10, PN 16, Class 150). The amendment ensures conformity with modern testing methods and updated references to harmonize with EU regulations such as the Pressure Equipment Directive 2014/68/EU.

This update supports manufacturers, designers, and end-users by clarifying material requirements, mechanical resistance criteria, operational testing, and traceability standards, contributing to enhanced reliability and safety in industrial valve applications.

Key Topics

• Scope and Size Range Specifies gate valves covering nominal diameters DN 10 through DN 350 and pressure classes PN 6, 10, 16, and Class 150, with flexibility for manufacturers to provide other dimensions.

• Materials and Components Bodies and covers must be produced from approved thermoplastic materials, including ABS, PE, PP, PVC-C, PVC-U, and PVDF, following ISO 15493, ISO 15494, and ISO 10931 standards for material specifications and long-term performance.

• Dimensional Requirements Face-to-face dimensions for valves with flanged ends must comply with EN 558:2017; non-flanged end dimensions remain at manufacturer discretion.

• Mechanical Performance and Testing Mechanical resistance and pressure testing are mandated according to ISO 9393-2, including long-term behavior tests of assembled valve units. Seat and packing tightness must be validated as per the same ISO testing requirements.

• Operation and Handling Manual operating forces are limited by the maximum values specified in EN 12570 to ensure safety and usability during valve operation.

• Marking and Traceability Minimum marking requirements include DN, PN/Class, body material, manufacturer ID, and production code, ensuring clear traceability. Data sheets must include pressure/temperature relations, applicable standards, and flow reduction factors where relevant.

• Standards References and Updates Significant changes include updated normative references replacing older EN and ISO standards with their recent revisions, for example, ISO 5210:2017 for actuator mounting and ISO 12162:2009 for thermoplastic material pressure ratings.

• Regulatory Alignment The amendment aligns the valve requirements with the European Pressure Equipment Directive (2014/68/EU) for market compliance and enhances harmonization with international testing and design practices.

Applications

ISO 16139:2006/Amd 1:2019 applies predominantly in industries utilizing thermoplastic gate valves for fluid transport and control under pressure, including:

• Chemical processing plants
• Water treatment and supply systems
• Food and beverage manufacturing
• Pharmaceutical production
• Petrochemical and oil & gas industries
• HVAC and industrial piping systems

The standard supports these sectors by ensuring valve safety, durability, and compatibility with thermoplastic piping networks where corrosion resistance and weight reduction are critical. These valves are essential for reliable shut-off operations in pipelines transporting aggressive media or potable water.

Related Standards

• ISO 15493 & ISO 15494 – Specifications for thermoplastic pipe systems including ABS, PVC, and PE materials used for bodies and components.
• ISO 1167-1:2006 – Testing procedures for the internal pressure resistance of thermoplastic pipes and assemblies, applicable to valve testing.
• EN 558:2017 – Face-to-face and face-to-flange dimensional standards for industrial valve flanged ends.
• ISO 9393-2 – Mechanical and tightness testing standards for industrial valves.
• EN 12570 – Specifications for manual operating forces on valves.
• ISO 5210:2017 – Mounting interfaces for multi-turn valve actuators.
• Pressure Equipment Directive 2014/68/EU – Regulatory framework for pressure equipment compliance within the European Union.

By integrating these standards, ISO 16139:2006/Amd 1:2019 ensures industrial thermoplastic gate valves meet strict safety, design, and performance criteria required globally.

Keywords: ISO 16139 amendment, industrial valves, thermoplastic gate valves, valve standards, DN and PN sizes, ISO valve testing, valve materials ABS PE PP, pressure equipment directive compliance, thermoplastic valve dimensions, valve mechanical resistance, valve marking and traceability.