Machine factory in Enschede, since 1992

Delwi Groenink Machinefabriek

KWALITEIT en CERTIFICERING

Quality that is demonstrably guaranteed


Our products and parts find their way to diverse sectors, each with its own requirements for quality, safety, and traceability. Through certified processes, qualified professionals, and meticulous quality assurance, we ensure that our production meets these requirements.

Quality as part of the process

Assurance from material to finished product

Quality is not created solely during the final inspection. At Delwi Groenink, quality assurance is part of the entire manufacturing process.

From materials and production to welding, coating, and assembly: we work according to established procedures and relevant standards. This enables us to produce for clients in diverse sectors where high demands are placed on quality and reliability.

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Certifications

Our certifications and accreditations

EN ISO 3834-2:2021

Certified quality for welding

Delwi Groenink is certified according to EN ISO 3834-2:2021, the standard for comprehensive quality requirements in the fusion welding of metals.

The certification relates to welding processes 135 and 138 and includes materials from S235 through S355 and S690QL, among others, within the material groups indicated on the certificate. The certification also sets requirements regarding welding coordination, procedures, and quality assurance, among other things.

With this, the quality of our welding process is not only visible in the end product but also demonstrably guaranteed throughout the production process. The internal machine documentation also confirms certified welding according to EN ISO 3834-2 and the same material and process groups.

Certificate number

2400-B-192

Valid until

December 21, 2027

Published by

TÜV NORD

View certificate

NEN-EN 10204

Certified re-marking of materials

Delwi Groenink holds internal authorization to re-certify materials according to EN 10204.

This demonstrates that functional traceability exists within Delwi for the internal re-certification of materials, while maintaining the relationship with the original inspection documents.

The certification includes the management and re-certification of material and inspection documents of types 2.1, 2.2, 3.1, and 3.2, within the conditions of the certificate.

The procedure is subject to periodic inspection by TÜV NORD.

Certificate number

TÜV-EN-10204-2400-B-192

Supervision

TÜV NORD

View certificate

Welding approval

Certification for welding activities

In addition, Delwi Groenink holds an Approval for Welding, issued on the basis of the Germanischer Lloyd Rules for Welding applicable at the time.

This accreditation relates to the qualifications and conditions of the workshop for carrying out welding work.

Certificate number

WF 1110038 HH

Issued by

Germanischer Lloyd

View certificate

Quality in practice

More than a certificate

Certifications form an important foundation, but quality is realized on the shop floor every day. That is why we combine clear procedures with experienced professionals, modern production technology, and control throughout the production process.

Qualified professionals

Knowledge and experience within every discipline.

Traceability

Attention to material identification and associated documentation.

Process control

Quality assurance during various steps of the manufacturing process.

Modern production technology

Advanced machinery, automation, and robotization support an accurate and reproducible production process.

Experience in diverse sectors

At home in the industry

From machine building and transport to high-tech, agriculture, and recycling. Delwi produces components, structures, and complete end products for a wide range of industrial applications.

View our projects by sector

Mechanical engineering

Process industry

Agro-industry

Oil and gas

Recycling

Build

Transport

High-tech and chip industry

Hoisting and lifting technology

Concrete industry

Standards, certifications and quality requirements

Depending on the product, application, and client, we produce according to various standards, certifications, and product specifications.