Radially split, multi-stage, vertical, in-line diffuser casing (RSV) pump

means a vertically suspended, multi-stage, single axis flow, dry rotor, rotodynamic pump:

(A) that has a shaft input power greater than or equal to 1 hp and less than or equal to 200 hp at BEP and full impeller diameter and at the number of stages required for testing and

(B) in which liquid is discharged in a place perpendicular to the impeller shaft; and

(C) for which each stage (or bowl) consists of an impeller and diffuser;

(D) for which no external part of such a pump is designed to be submerged in the pumped liquid; and

(E) examples include, but are not limited to, pumps complying with ANSI/HI nomenclature VS8, as described in ANSI/HI 2.1-2.2-2014.