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Reference Plane

Reference Plane

Reference Plane is the horizontal plane through the centre of the circle described by the external point of the entrance edges of the impeller blades.

NOTE: For double-inlet pumps, the plane is taken through the higher centre.


In preparing this definition, we have drawn from various sources including Legislation, Codes, Standards and industry information, research and knowledge.  Like the english language, these definitions may subtly change from time to time. As such these definitions are provided solely on the basis that users will be responsible for making their own assessment of the definition and and are advised to verify all relevant representations, statements and information.