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ISO 20138-2:2019

ISO 20138-2:2019

What is ISO 20138-2:2019-Railway applications- Wheels and Wheelsets?

ISO 20138-2:2019 is a critical international standard within the railway industry, providing specific guidelines for railway applications. It focuses on the technical requirements and interoperability of electronic equipment used in railway systems, ensuring that the equipment meets stringent safety, reliability, and performance standards. This standard is essential for manufacturers, suppliers, and operators within the railway sector, as it helps to ensure seamless integration and operation of electronic systems across different railway networks globally

Key Features of ISO 20138-2:2019

Technical Specifications: Defines the technical requirements for electronic equipment, including performance, environmental conditions, and electromagnetic compatibility.

Interoperability: Ensures that electronic systems from different manufacturers can work together without compatibility issues.

Safety and Reliability: Sets stringent safety and reliability standards to prevent failures and accidents.

Testing and Validation: Outlines procedures for testing and validating electronic equipment to ensure compliance with the standard.

Documentation and Traceability: Requires detailed documentation and traceability of all components and systems.

How we can help

At Pacific Certifications, we specialize in providing comprehensive audit and certification services for a wide range of international standards, including ISO 20138-2:2019 for railway applications. Our expertise and accredited processes ensure that your organization meets all necessary requirements and achieves certification seamlessly.

Our Certification Process

Initial Consultation: We begin with a detailed consultation to understand your specific needs and the scope of your railway applications.

Pre-Audit Assessment: Before the final audit, we perform a pre-audit assessment to ensure that all requirements are met and to address any remaining issues.

Certification Audit: Our certified auditors conduct a comprehensive audit to verify compliance with ISO 20138-2

Certification Issuance: Upon successful completion of the audit, we issue the ISO 20138-2 certification, demonstrating your commitment to quality and safety in railway applications.

Ongoing Support: We offer ongoing support and surveillance audits to ensure continuous compliance and improvement.

Our commitment to quality, customer satisfaction, and continuous improvement ensures that you receive the highest level of service and support throughout the certification process

Contact us today at support@pacificcert.com to learn more about how we can assist you with your ISO 20138-2 certification needs and help your organization achieve new heights in quality and performance.

What are the requirements of ISO 20138-2:2019-Railway applications?

ISO 20138-2:2019-Measurement of Vertical Forces on Wheels and Wheelsets outlines specific requirements and procedures for measuring vertical forces exerted on wheels and wheelsets in railway applications. This standard ensures accurate and consistent measurements critical for the safety, reliability, and performance of railway systems. Below are the key requirements and aspects covered by ISO 20138-2:

Key Requirements of ISO 20138-2:2019

Scope and Application:

  1. Defines the applicability of the standard to various types of railway vehicles and their operating conditions.
  2. Specifies that the measurements are relevant for both in-service vehicles and during type testing.

Test Conditions:

  1. Outlines the environmental conditions under which the tests should be conducted, including temperature, humidity, and atmospheric pressure.
  2. Specifies requirements for the test track, such as geometry, rail conditions, and surface characteristics.

Measurement System:

  1. Details the specifications for the measurement equipment, including accuracy, calibration, and validation procedures.
  2. Requires that the measurement system can capture dynamic forces with high precision and reliability.

Test Procedures:

  1. Describes the detailed steps for conducting the tests, including preparation, execution, and post-test procedures.
  2. Includes procedures for both static and dynamic measurements of vertical forces.
  3. Specifies the speeds, load conditions, and other operational parameters for testing.

Data Collection and Processing:

  1. Outlines the methods for data collection, ensuring that all relevant data points are captured accurately.
  2. Details the procedures for processing and analyzing the data to ensure consistency and accuracy in results.


  1. Specifies the format and content of test reports, including all necessary data, observations, and conclusions.
  2. Requires detailed documentation of the test setup, procedures, and any deviations from standard conditions.

Calibration and Maintenance:

  1. Defines the requirements for regular calibration and maintenance of the measurement equipment to ensure ongoing accuracy and reliability.
  2. Specifies the intervals and procedures for calibration checks and equipment servicing.

Safety and Compliance:

  1. Emphasizes the importance of adhering to safety protocols during testing to prevent accidents and equipment damage.
  2. Ensures compliance with relevant regulations and standards for railway safety and operational integrity.

Interoperability and Compatibility:

  1. Ensures that the measurement systems and procedures are compatible with various types of railway vehicles and infrastructure.
  2. Promotes interoperability of measurement systems across different railway networks and operators.

Importance of ISO 20138-2:2019 Compliance

Compliance with ISO 20138-2 is crucial for several reasons:

  • Safety: Accurate measurement of vertical forces helps in identifying potential safety issues, such as excessive loads or imbalances, which can lead to derailments or other accidents.
  • Performance: Ensures that railway vehicles operate within their design limits, enhancing performance and reliability.
  • Maintenance: Provides critical data for maintenance planning, helping to prevent premature wear and failure of components.
  • Standardization: Facilitates consistent measurement practices across the industry, promoting standardization and interoperability.
  • Regulatory Compliance: Helps railway operators meet regulatory requirements and demonstrate compliance with international safety and performance standards.

What are the benefits of ISO 20138-2:2019-Railway applications?

 ISO 20138-2 offers numerous benefits for organizations involved in railway applications, from enhancing safety and reliability to improving operational efficiency and regulatory compliance. Below are the key benefits of adhering to this standard:

Enhanced Safety:

  1. Ensures accurate measurement of vertical forces on wheels and wheelsets, helping to identify and mitigate potential safety risks.
  2. Prevents accidents such as derailments caused by excessive or uneven forces, contributing to overall safety in railway operations.

Improved Reliability:

  1. Facilitates consistent and precise measurement of forces, leading to more reliable data for maintenance and operational decisions.
  2. Enhances the reliability of railway vehicles and infrastructure by ensuring they operate within safe limits.

Optimized Maintenance:

  1. Provides critical data for predictive maintenance, allowing for timely interventions and preventing costly equipment failures.
  2. Reduces downtime and maintenance costs by addressing issues before they escalate into major problems.

Operational Efficiency:

  1. Promotes efficient use of resources by optimizing the performance of railway vehicles based on accurate force measurements.
  2. Enhances the overall efficiency of railway operations by minimizing disruptions and ensuring smooth, safe journeys.

Regulatory Compliance:

  1. Helps organizations meet international and national regulatory requirements for railway safety and performance.
  2. Demonstrates a commitment to adhering to high standards, which can be beneficial during regulatory reviews and inspections.

Standardization and Interoperability:

  1. Encourages standardization of measurement practices across the railway industry, facilitating interoperability between different systems and operators.
  2. Ensures that electronic systems from various manufacturers can work together seamlessly, promoting a more integrated railway network.

Market Credibility and Competitive Advantage:

  1. Enhances the reputation and credibility of organizations by demonstrating adherence to a recognized international standard.
  2. Provides a competitive edge in the market by showcasing a commitment to safety, reliability, and quality.

Customer Satisfaction:

  1. Improves customer satisfaction by ensuring safe, reliable, and efficient railway services.
  2. Builds trust with customers and stakeholders by maintaining high operational standards.

Data-Driven Decision Making:

  1. Provides accurate and reliable data for decision-making, leading to better-informed strategies and policies.
  2. Supports continuous improvement by using measurement data to identify areas for enhancement.

Environmental Benefits:

  1. Contributes to environmental sustainability by optimizing vehicle performance and reducing unnecessary wear and tear.
  2. Promotes efficient use of resources, which can lead to lower energy consumption and reduced environmental impact.

Contact us today to learn more about how we can assist you with ISO 20138-2 certification and help your organization achieve excellence in railway applications!

Who needs ISO 20138-2:2019-Railway applications?

ISO 20138-2:2019 is particularly relevant for a wide range of stakeholders within the railway industry. Below is a list of key entities and professionals who need to comply with or can benefit from ISO 20138-2:

Stakeholders Who Need ISO 20138-2:2019

Railway Operators:

  1. Ensure the safety and reliability of their trains by adhering to standards that prevent accidents and operational disruptions.
  2. Optimize maintenance schedules and reduce costs by using precise measurement data.

Railway Vehicle Manufacturers:

  1. Design and produce vehicles that comply with international safety and performance standards.
  2. Demonstrate the reliability and safety of their products to customers and regulatory bodies.

Component Manufacturers and Suppliers:

  1. Produce components such as wheels and wheelsets that meet the stringent requirements of ISO 20138-2:2019.
  2. Enhance the marketability of their products by proving compliance with recognized standards.

Maintenance and Service Providers:

  1. Offer maintenance services that ensure railway vehicles remain compliant with safety standards.
  2. Utilize accurate measurement data to provide predictive maintenance and prevent failures.

Railway Infrastructure Managers:

  1. Ensure that the track and related infrastructure are suitable for safe operation of compliant vehicles.
  2. Maintain compatibility and interoperability across different railway networks.

Regulatory Bodies and Authorities:

  1. Enforce compliance with international standards to ensure the safety and reliability of railway operations.
  2. Conduct inspections and audits to verify adherence to ISO 20138-2:2019.

Safety and Quality Assurance Professionals:

  1. Implement and oversee quality assurance programs that align with ISO 20138-2:2019.
  2. Conduct internal audits and assessments to ensure ongoing compliance.

Engineering and Design Consultants:

  1. Provide consultancy services to railway operators and manufacturers to help them meet ISO 20138-2:2019 requirements.
  2. Design systems and processes that comply with international standards.

Research and Development Teams:

  1. Develop new technologies and innovations that meet the safety and performance criteria outlined in the standard.
  2. Test and validate new designs and components against ISO 20138-2:2019 requirements.

Educational and Training Institutions:

  1. Educate future railway engineers and professionals on the importance of compliance with international standards.
  2. Offer training programs on ISO 20138-2:2019 and its application in the railway industry.

Pacific Certifications is accredited by ABIS, in case you need support with ISO 20138-2 certification for your business, please contact us at suppport@pacificcert.com or +91-8595603096

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