Historical
BS EN 12723:2000
Liquid pumps. General terms for pumps and installations. Definitions, quantities, letter symbols and units (British Standard)
This European Standard deals with terms, letter symbols and units related to the flow of liquids through rotodynamic and positive displacement liquid pumps and associated installations. It serves as a means of clarifying communications between the installation designer, manufacturer, operator and plant constructor. The standard identifies the units in common usage but all further legal units may be used. A definition of a liquid pump is included. This standard deals solely with conditions described by positive values for the rate of flow and pump h head.
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British Standards Institution [bsi]
British Standards Institution [bsi]