Certificate No. 6276-05 Inspecta Tarkastus Oy certifies that the company Prewel Oy PL 102 (Pohjanlahdentie 60) FI-68601 PIETARSAARI FINLAND has fulfilled the requirements of the quality assurance system and processes for forming and welding of materials according to the European Pressure Vessel Directive 97/23/EC The assessment is carried out in connection with the certified quality system and it is based on the Pressure Equipment Directive 97/23/EC and on the standard EN 764-5:2002. Detailed range of materials is specified in the annex. The scope of the certificate Stainless steel tubes and pipe fittings. (Technical information in the annex). This quality system and processes is subject to annual audits by Inspecta Tarkastus Oy. Date of issue 2014-05-30 (first issue 2008-06-01). Valid until 2017-06-30. Jukka Virtanen, Notified Body No. 0424 Inspecta Tarkastus Oy P.O. BOX 1000, Sörnäistenkatu 2 FI-00581 Helsinki, Finland Tel. +358 10 521 600 Group headquarters: Inspecta Group Oy, Helsinki, Finland Certificate Annex No. 6276-05 Page 1 (1) Prewel Oy PL 102 (Pohjanlahdentie 60) FI-68601 PIETARSAARI FINLAND Manufacturing program Prewel Oy manufactures butt-welded austenitic stainless steel tubes and pipe fittings. Manufacturing program contents: Butt-welded tubes > DN 100 according to standards EN 10217-7, SFS 4161, NS SSG 1361, SS 219716, ISO 1127 or according to the agreement. Reducers > DN 15 according to standards EN 10253-4, SFS 4162, NS SSG 1364, SFS 4162 or according to the agreement. Tees > DN 15 according to standards EN 10253-4, NS SSG 1363 TYP R, SFS 4164 or according to the agreement. Segment elbows according to standards SFS 4163, NS SSG 1362 or according to the agreement. Special products (i.e. manifolds and special T-pieces) containing products mentioned above and manufacturing of welded equipment / products of austenitic stainless steel designed by the customer. Products, which are considered as material or as a standard product made like “material” to be used as a part of a CE marked equipment (according to the Pressure Equipment Directive 97/23/EU) will be manufactured according to the standards EN 10217-7 and EN 10253-4 requirements (if the customer has specified the requirement in an agreement) with the following exception: • EN 10217-7 point 11.8 tightness testing is not performed (mentioned at the material certificate). Inspecta Tarkastus Oy P.O. BOX 1000, Sörnäistenkatu 2 FI-00581 Helsinki, Finland Tel. +358 10 521 600 Group headquarters: Inspecta Group Oy, Helsinki, Finland