Hauptstr. 135
D-76461 Muggensturm
+49 (0) 7222 / 1 59 28 -0
+49 (0) 7222 / 1 59 28 -28
eMail to ZÖLLER

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Approval in accordance with the Pressure Equipment Directive PED 97/23/EC

The TÜV-Süd certifies "that the company Zöller GmbH as a materials manufacturer for collars, caps, heads, torospherical heads, plate ends, circular blanks, and rings made of stainless steel, copper, aluminum, and nickel alloys has introduced and applies a quality assurance system in accordance with PED 97/23/EC Appendix I, Section 4.3."

In the context of this, certificates in accordance with EN 10 204 may be issued concerning specific tests in agreement with the underlying technical specifications.


Authorized according to AD 2000 bulletin W 0 / TRD 100

The company Zöller GmbH has also been investigated and approved by the TÜV-Süd as a manufacturer in accordance with this standard.

ISO 9001 2019    

Quality Management System ISO 9001

Zöller implemented a quality management system which is required by the PED.

The Certification Body of 'TÜV SÜD Management Service GmbH' certifies that Zöller has established and applies a Quality Management System. An audit was performed, Report No. 707006167. Proof has been furnished that the requirements according to ISO 9001:2015 are fulfilled.



Agreement of restamping

Zöller is entitled to perform the "appropriate remarking of materials and products for plants requiring monitoring according to § 11 Equipment safety law".


Welding certificate EN 287-1

Employees of the company Zöller GmbH have been certified as specialist welders for the used materials in accordance with EN 287-1 and AD 2000 HP 3. This is of significance for the collars with nominal diameters greater than DN 250.


PT2 - Penetrant Testing Level 2

Employees of the company Zöller GmbH have been qualified and certified as specialists to execute the non-destructive Penetrant Testing in accordance with DIN EN 473.

It is of particular importance with regard to certificates in accordance with EN 10204 3.2