Approvals & certificates

Approvals & certificates

Filtration plays an important role for many of our well-known customers. They come from the pharmaceutical, food and chemical industries as well as from the water engineering sector. Their decision to entrust Sommer & Strassburger with the construction of their components and stainless steel equipment is also the result of a filtration process: We are the absolute specialists when it comes to individual stainless steel processing.

Thanks to more than 50 years of experience, an enormous vertical range of manufacture, state-of-the-art production facilities, our own design department and continuous production control, we deliver tailor-made quality. As a successful,  traditional company with approximately 160 employees, we maintain personal and close contact with our customers. And that is true from the very beginning.

Manufacturing and calculations of components according to

AD 2000 HP 0, HP 100 R and DIN EN ISO 3834-2

As standard, our stainless steel pressure components are designed and calculated according to AD2000. The set of rules meets the conformity requirements of the Pressure Equipment Directive and, thanks to clear requirements, testing and documentation, are also widely accepted outside Germany.

EN 13445

European harmonised pressure tank standard. Design and calculation of pressure tanks, likewise harmonised with the Pressure Equipment Directive

Approvals & certificates

DIN ISO 9001:2015

Quality Management System Certification.

Our pressure equipment can be delivered with the following acceptance documents or approvals:

PED 2014/68/EU Module A to H/H1

Depending on their hazard potential and aggregate state, pressure devices are classified in Categories I to IV. The factors for this are the design pressure and volume of the tank. Each category includes one or more modules (module A to H/H1)

ASME Sec. VIII Div. 1U-Stamp, UM-Stamp and R-Stamp

Sommer und Strassburger is a stamp holder for U and UM approvals of pressure equipment. Pressure equipment with a U or UM stamp is designed, calculated and manufactured in accordance with ASME rules.

SELO licence (China Special Equipment Licensing Office)

Also called the China manufacturing licence or China stamp. Approval procedure of the Chinese authority for pressure tanks.

CRN (Canadian registration)

Pressure devices for the Canadian market must meet requirements of individual provinces. This may vary from province to province. Upon approval, a Canadian Registration Number is assigned to identify the pressure tank.

KEA (Korea Energy Agency)

Certification of machinery and equipment for the South Korean market.