Case: Boliden Harjavalta Ltd.

1994 –

Porin Teollisuusputki has performed pipe installations for Boliden Harjavalta's sulphuric acid plant and smelter from 1994 onwards. Boliden Harjavalta Ltd. has trusted PTP's expertise and reliability in annual service outages ever since.

Larger projects include for example the adjustment work done on the plant's sulphuric acid pipes in 2011, where Sandvik Ltd.'s SX steel was used as a special material. The projects of 2012 included the implementation of a DN 1200 ventilation pipe system and the cooling water piping of a 6 MVA electric furnace.