Selnikel fire tube type industrial boilers are designed and manufactured in accordance with EN and/or ASME standards and pressure equipment directives, our three pass boilers are CE marked as standard. More than 10.000 boiler systems were delivered and commissioned in more than 60 countries up to this day. Selnikel also provides turn key projects for steam generation and central heating plants. Complete Design: Selnikel designs central heating plants in compliance with the valid EN 12953, EN 12952 and ASME standards as well as TRD 403 and VDI 2050 norms. Burner Selection: The burner capacity should be accurately matched with the boiler capacity, boiler flue gas side pressure drop and primary fan air capacity. Production: High pressure steam and hot water boilers are manufactured according to the EN, ASME and pressure equipment directives with maximum safety and longevity.