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PRVÁ ZVÁRAČSKÁ, a. s.
PRVÁ ZVÁRAČSKÁ, a. s.: Driving the Future of European Rail Infrastructure with Expert Welding
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  • October 23, 2025
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PRVÁ ZVÁRAČSKÁ, a. s.: Driving the Future of European Rail Infrastructure with Expert Welding

In the rapidly advancing world of railway engineering, precision, safety, and reliability are not just expectations — they are essential. Welding plays a crucial role in shaping the strength and durability of railway vehicles and our components. Among the global leaders setting benchmarks in this field is PRVÁ ZVÁRAČSKÁ, a. s., a trusted and accredited Manufacturer Certification Body (MCB) under the European Committee for Welding of Railway Vehicles (ECWRV).

Recognized for its expertise and commitment to quality, PRVÁ ZVÁRAČSKÁ, a. s. stands as a reliable partner in ensuring compliance with the EN 15085 Welding of Railway Vehicles and Components standard — a key European guideline governing welded railway structures.

Understanding the EN 15085 Standard

The EN 15085 standard series applies to the design, manufacturing, testing, and conformity assessment of welded railway vehicles, components, and assemblies. Its purpose is to guarantee that every welded joint used in railway systems meets the highest safety, quality, and durability requirements.

Whether it’s a high-speed train, a metro coach, or a freight wagon, the integrity of each welded part determines overall performance and passenger safety. EN 15085 provides the structured framework for maintaining this integrity through strict procedures, certified personnel, and approved materials.

PRVÁ ZVÁRAČSKÁ, a. s. ensures that all manufacturers certified under this standard demonstrate technical competence and compliance, supporting a safer and more reliable railway industry across Europe and beyond.

The Process of Welding Railway Vehicles

The process of welding in railway vehicle manufacturing involves a series of steps — from design to inspection — to achieve structural strength and precision.

  1. Design & Material Selection:
    Every project starts with careful planning. Engineers select materials that can withstand operational stress, corrosion, and fatigue while ensuring lightweight performance for better fuel efficiency.
  2. Preparation & Joint Configuration:
    Before welding begins, components are cleaned, aligned, and prepared to exact specifications. This ensures accuracy and consistency in every weld.
  3. Welding Operation:
    Skilled welders or automated welding systems execute the process using methods like MIG, TIG, or resistance welding. Each technique is chosen based on the component’s design and function.
  4. Inspection & Testing:
    Non-destructive testing (NDT) methods, including ultrasonic, radiographic, and magnetic particle testing, are used to confirm the strength and quality of each weld.
  5. Certification & Documentation:
    Every welded assembly undergoes evaluation to ensure compliance with EN 15085 standards, with proper records maintained for traceability and future audits.

Applications of Welding in Railway Vehicles

The applications of welding in the railway sector are extensive and essential.

  • Rail Vehicle Manufacturing:
    Welding connects major structural parts like frames, bogies, underframes, and car bodies, ensuring the entire vehicle structure maintains strength and stability during operation.
  • Rail Vehicle Maintenance:
    Over time, components undergo stress, wear, and fatigue. Welding plays a vital role in repair and refurbishment, extending the service life of vehicles.
  • Assembly Operations:
    In both large-scale and precision assemblies, welding ensures parts are joined seamlessly, supporting modern, lightweight designs and aesthetic requirements.
  • Contract Manufacturing:
    Many companies involved in railway component production rely on subcontracted welding services that meet EN 15085 certification for reliability and compliance.

PRVÁ ZVÁRAČSKÁ, a. s. — An Accredited Certification Body

As an accredited Manufacturer Certification Body (MCB), PRVÁ ZVÁRAČSKÁ, a. s. holds Identification No. FCW/OREN15085-15/2015 under the ECWRV. This recognition positions the company among a select group authorized to certify manufacturers according to EN 15085 standards.

Once a company is certified by PRVÁ ZVÁRAČSKÁ, a. s., its certification status is automatically reflected in the official online register: https://en15085.joincert.eu/?Sprache=2.
This database serves as a public reference tool for verifying the certification of welding companies worldwide, ensuring transparency and trust in the industry.

Product Scope of PRVÁ ZVÁRAČSKÁ, a. s.

The certification and welding expertise of PRVÁ ZVÁRAČSKÁ, a. s. cover a wide range of applications, including:

  • Rail vehicle manufacturers — For new rolling stock and train production.
  • Maintenance companies — For repair and periodical overhauling of railway vehicles.
  • Railway operators — For ensuring operational integrity and safety.
  • Contract manufacturing companies — For outsourced production and assembly.
  • Assembly companies — For integration of welded components into finished vehicles.

This broad scope allows PRVÁ ZVÁRAČSKÁ, a. s. to serve the diverse needs of the railway industry, from initial construction to long-term maintenance.

Why Choose PRVÁ ZVÁRAČSKÁ, a. s. for EN 15085 Welding of Railway Vehicles and Components

  1. Accredited Expertise:
    PRVÁ ZVÁRAČSKÁ, a. s. is an officially recognized MCB under ECWRV, ensuring every certification meets European compliance standards.
  2. Proven Industry Experience:
    With years of experience in railway welding certification, the company brings deep knowledge and reliability to every project.
  3. Comprehensive Support:
    From evaluation to certification, clients receive step-by-step guidance to meet EN 15085 requirements efficiently.
  4. Global Recognition:
    Once certified, companies gain global visibility through the EN 15085 online register — a trusted platform for manufacturers worldwide.
  5. Commitment to Quality and Safety:
    Every process at PRVÁ ZVÁRAČSKÁ, a. s. focuses on maintaining the highest levels of precision, safety, and sustainability in railway welding.

Frequently Asked Questions (FAQs)

1. What is the EN 15085 standard?
EN 15085 is a European standard that defines the requirements for welding railway vehicles and components, ensuring safety, reliability, and consistent quality in railway engineering.

2. Why is EN 15085 certification important for manufacturers?
Certification demonstrates a manufacturer’s technical competence and compliance with international standards, which builds trust with clients and enhances global market opportunities.

3. How does PRVÁ ZVÁRAČSKÁ, a. s. facilitate certification?
PRVÁ ZVÁRAČSKÁ, a. s. evaluates, audits, and certifies manufacturers according to EN 15085, providing expert guidance throughout the process.

4. Who can apply for EN 15085 certification?
Any company involved in railway vehicle design, manufacturing, maintenance, or component assembly can apply for certification under this standard.

5. Where can certified companies be verified?
Certified manufacturers are listed in the official online register at a public database managed by ECWRV.

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