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Quality

PRECISION THROUGHOUT THE PRODUCTION PROCESS
Regardless of whether we are working with ordinary stainless steel or titanium, quality consciousness is an ever-present factor throughout our company. Naturally, we are certified according to ISO 9001, and always invite accredited control organisations to conduct our final inspections. In addition we fulfil the demands for the manufacture of pressure vessels according to the standards of EN13445 (PED), ASME and Manufacture License of Special Equipment: People’s Repupblic of China. The quality assurance system is certified to ISO 9001:2008.

Download our certificates;
National Board [pdf] Zetterströms Rostfria AB is authorized to apply the “NB” mark and register boilers, pressure vessels, or other pressure retaining items with the National Board in accordance with its provisions and limited to items manufactured in accordance with U-Stamp and M-Stamp.

ASME U-Stamp [pdf] The U-code certificate accredits Zetterströms Rostfria AB as authorized to use the U-Code of the American Society of Mechanical Engineers (ASME) for manufacture of pressure vessels at Zetterströms Rostfria AB in Molkom in accordance with the applicable rules of the ASME Boiler and Pressure Vessel Code. The use of the U-Symbol and the authority granted by this Certificate of Authorization are subject to the provisions of the agreement set forth in the application. Any construction stamped with this symbol shall have been built strictly in accordance with the provisions of the ASME Boiler and Pressure Vessel Code.

ASME M-Stamp [pdf] The M-Code certificate accredits Zetterströms Rostfria AB as authorized to use the M-code of the American Society of Mechanical Engineers (ASME) for manufacture and assembly of miniature boilers at Zetterströms Rostfria AB in Molkom in accordance with the applicable rules of the ASME Boiler and Pressure Vessel Code. The use of the Code symbol and the authority granted by this Certificate of Authorization are subject to the provisions of the agreement set forth in the application. Any construction stamped with this symbol shall have been built strictly in accordance with the provisions of the ASME Boiler and Pressure Vessel Code.

ISO9001:2008 [pdf] Quality Management system applicable to design and manufacture of stainless steel pressure vessels, WFI stills, pure steam generators and heat exchangers for pharmaceutical and process industries.

PED Modul H [pdf] In accordance with the requirements of the Pressure Equipment Directive 97/23/EC and the Pressure Equipment Regulations 1999, UK Statutory Instrument 1999 No. 2001 and SI 2002 No. 1267 certify that the Quality Management System of Zetterströms Rostfria AB in Molkom has been assessed against the requirements of Annex III, Module H of the Pressure Equipment Regulations 1999 and conforms to the requirements for design and manufacture ot stainless steel pressure vessels, WFI stills, pure steam generators and heat exchangers for pharmaceutical and process industries.

China Manufacture License TS2200B25-2017 [pdf] Zetterströms have been audited and approved for manufacturing of Pressure Vessels within the scope: Pressure Vessels A (Exception for carbon steel material). Manufacture License of Special Equipment: People’s Repupblic of China. No.; TS2200B25-2013. Date of issue Nov. 6, 2009.