Rate of rotation, motion, or velocity as specified by the manufacturer.
Source: API SPEC 7K, Drilling and Well Servicing Equipment Upstream Segment, Fifth Edition, June 2010 (August 2010). Global Standards
Source:API SPECIFICATION 7K, Drilling and Well Servicing Equipment, Sixth Edition, December 2015. Global Standards
Rated speed is the crankshaft revolutions per minute at which the rated power occurs as specified on the nameplate and in the Technical File of the marine diesel engine.
Source: Resolution MEPC.177(58), amendments to the Technical Code on Control of Emission of Nitrogen Oxides from Marine Diesel Engines, 10 October 2008, International Maritime Organization. Regulatory Guidance