On October 29, 2019 at the Sulzer Pumps Finland Oy plant in Karhula, Finland, acceptance tests of the Sulzer HST 40 turbocompressors were carried out by order of the Izhvodokanal - municipal water company from Izhevsk, Russia. Tests were carried out in the presence of the Customer. After testing, Customers were issued a certificate of successful testing as a guarantee of high quality and compliance with the declared performance.