TWIN IMPELLER STDM / STD 0.55 - 5.5 KW PERIPHERAL PM / P 0.37 - 0.75 KW SINGLE IMPELLER STM / ST 0.37 - 4 KW SELF-PRIMING JET NPM / NP CR 0.45 - 0.75 KW NORMALIZED CLOSE COUPLED N 3 - 22 KW SELF-PRIMING PUMPS NPM / NP - 1.1 - 2.2 KW CENTRIFUGAL DOUBLE IMPELLER CB 1.1 - 2.2 KW CLOSE COUPLED SAM / SA - 0.55 - 0.75 KW SINGLE IMPELLER SC 1.1 - 2.2 KW CLOSE COUPLED SAM / SA - 1.1 - 4 KW