excavator dredge pump 2024

Goulds 4NS12P4CC, 4NS Series, Sewage Pump, 25 HP, 460 Volts, 3 Phase, 4 Flanged Horizontal Discharge, 1130 GPM Max, 122 ft Max Head, 25 ft Cord, Manual

Goulds 4" Submersible Non-Clog Sewage Pump

This pump can handle sewage containing non-abrasive 3 inch maximum solids. Designed with a 4" 125# ANSI flanged discharge, this model is capable of bolting to a 4-inch wet pit guide rail or to a 4 x 6 guide rail connection.

Pump Features

Cast iron, two vane closed design impeller for high efficiency and maximum wear life. Optional bronze impeller available. Replaceable bronze wear ring to renew the running clearances and efficiencies to original conditions. Heavy duty cast iron, volute type casing for maximum efficiency. Designed for continuous operation. Dual mechanical seal with 304 stainless steel metal parts, BUNA-N elastomers with carbon/rotary and ceramic/stationary faces standard for upper and lower seals. 300 series stainless steel fasteners.

Motor Features

CSA certified motors (Canadian Standards Association). Motor shaft is a one-piece design of high strength 416 stainless steel. Motors is air-filled and designed for continuous duty when fully submerged or for up to 15 minutes operation in air. NEMA design "B" with copper windings. Class "F" stator winding designed for inverter duty. Two wire dual probe monitoring system constantly monitors seal oil chamber and stator housing for moisture. (Control panel must contain an alarm circuit and alarm device). Two (2) normally-closed, automatic reset thermostats connected in series and embedded in adjoining phases. Power and sensor cord is 25 feet standard length. Motors conform to the latest applicable requirements of NEMA, IEEE, ANSI and NEC standards. Class 10 quick trip overload protection must be provided in control panel.

Applications

Heavy duty design makes this pump suitable for a wide range of commercial and industrial applications such as: Sewage systems, Flood and pollution control, Industrial dewatering, Wastewater treatment plants, Municipal and subdivision lift stations.