scope:

This standard gives guidance on writing the technical specification for the procurement of steam turbines primarily for driving generators for electrical power services which include: - Reheat and non-reheat turbine; - Back- pressure turbine whose exhaust will be used for process heating; - Condensing turbine whose exhaust is directly connected to a condenser; - Mixed pressure turbine; - Regenerative cycle turbine; - Extraction turbine; - Combined cycle turbine. Some of the provisions may be applicable to steam turbines for other applications.