Schroeder Valves


Our automatic recirculation valves and step throttles are designed according to the AD 2000 regulations (e.g. strength calculation, materials that can be used, etc.). Our products are CE-labeled in accordance with Directive DGR 97/23 EC for pressurized vessels and a conformity statement is issued.

All hazard groups in categories 1 to 4 are included in the certification according to Module H1 of Directive DGR 97/23 EC. For all pressurized individual components of the valves and step throttles, all materials used have been certified in Category 3.1 or higher.

According to EN 10204, the products may be accompanied by the following:

  • Certificate of compliance for internal components without a construction test according to 2.1.
  • Certificate of compliance for pressurized parts that have been subjected to a construction test and for which the execution of the pressure and functional test according to 2.2 has been confirmed.
  • Acceptance test certificate for pressurized parts that have been subjected to a construction test according to 3.1 or 3.2.

Our company has been certified according to DIN 9001 since 1995 and according to the new DIN EN ISO 9001:2000 since 2003.

TRCU (russian)

TRCU (English)

Certificate ISO 9001:2015 (English)

Certificat ISO 9001:2015 (French)

DGR (English)

DGR (French)

Certificate AD 2000 HP 0 (English)

Certificate EN ISO 3834-2 (English)

Confirmation acc. nuclear standard KTA 1401 (English)


Phone: +49 2261 50116-0

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