1 Scope
This document specifies requirements for single stage and multi-stage centrifugal
pumps with mechanical seal or soft packing for use in automatic sprinkler systems
and is for use with EN 12845 and EN 17451 1 .
This document is applicable for the following pumps, independent of installed orientation
(vertical, horizontal or sloped according to the manufacturer indications):
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— end suction pumps (close coupled or long coupled) of the back pull-out type pump;
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— axial horizontal split case pumps;
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— ring section pumps including multistage single or multi outlet;
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— single or multistage inline pumps (pump with inlet and outlet in line);
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— submersible motor borehole pumps.
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This document is also applicable to vertical turbine pumps.