New PΝG piping lines, constructed of TIG welded carbon steel seamless piping in accordance of API 5L (A106) GR.B ANSI B36.10 SCH40 with carbon steel forged fittings according to ANSI / ASME B16.11, ASTM A-105, 3000 lb, for the supply of the factory’s steam generator, boiler, furnaces and various consumptions with a total power of 3.5MW.