OUR accreditations

Manufacturers of pressure vessels according to PED/2014/68/EU
AD2000 HP0 & HP100R
DIN EN 13445 und DIN EN 13480
DIN EN 12952

ASME Stamp 
U-Stamp

Quality Management Systems & Certificates
DIN EN ISO 9001:2015
ASME Quality Control Manual
DIN EN ISO 3834-2

Certified quality - satisfied customers

Highest quality is our standard!

Continuous product testing and ongoing training for our team are integral to our philosophy. Our employees undergo regular training and examinations to continuously expand their expertise. In addition to the production monitoring conducted by notified bodies, internal quality assurance is carried out by our certified specialists in cooperation with our certified NDT service providers.

Every product that leaves our facility meets the highest quality standards. This ensures that you, our customer, are satisfied with our services and continue to place your trust in us.

broad welding technology

Our extensive manufacturing experience enables us to produce a wide variety of material combinations. We are proud of our over 100 welding procedure qualifications (PQRs) for stainless steel and carbon steel, which meet the requirements of both ASME IX and DIN EN ISO 15614-1.

Through continuous recertification, we keep our welding technology up to date and qualify new material combinations according to customer requirements. In cooperation with accredited testing laboratories, we expand our expertise and offer customized solutions for a wide range of material combinations.

We achieve the highest quality through qualified personnel. For this reason, we regularly certify our welders and operators according to ASME IX, DIN EN ISO 9606, and ISO 14732 with independent notified bodies.

Our Certificates

DIN ISO 9001
ASME-U-Stamp
AD 2000 HP0 + HP100R + EN 13445 + EN 13480 + EN 12952
DIN 3834
Anlage DIN 3834
DGRL/2014/68/EU Modul A2
re-stamping certificate

OTHER CERTIFICATIONS?

Do you lack a certification? Feel free to contact us directly!

We can help you with all your questions regarding vessel and plant construction.

Your partner for joint projects

Karl Wilhelm boasts over 60 years of experience in pressure vessel manufacturing. Such a long track record often goes hand in hand with a deep understanding of customer needs and industry requirements. Working side-by-side with our clients, we develop and manage joint projects to ensure their success.

We know that reliability and quality are essential for a successful partnership. This philosophy has contributed to our company's success and continues to drive our commitment to excellent customer service and satisfaction. Through continuous improvement, we are constantly evolving. As a client, you can trust that you have found a reliable partner in pressure vessel manufacturing!

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