Steam Boiler
34. A steam boiler - a device having a furnace heated by products of combustion of fuel burned in it and intended for producing steam at pressure above atmospheric, used outside the device
Source: Order No. 4 of the State Atomic Energy Supervision Authority of Russia, No. 98 of the State Industrial Safety Supervision Authority of Russia dated 19.06.2003 "On approval and introduction into force of federal norms and rules in the field of use of atomic energy 'Rules for design and safe operation of steam and hot water boilers for nuclear power facilities'" (together with "Rules... NP-046-03") (Registered by the Ministry of Justice of Russia on 10.07.2003 No. 4884)