GOULDS 4NS 4″ Non-Clog Submersible Sewage Pump

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The Goulds Water Technology 4NS 4” Non-Clog Commercial Submersible Sewage Pumps feature a cast iron, two vane closed design impeller for high efficiency and maximum wear life; an optional bronze impeller is available. The pump has a replaceable bronze wear ring to renew running clearances and efficiencies to original conditions. The 4NS has dual mechanical seals, and a heavy duty cast iron, volute type casing for maximum efficiency. Motor is rated continuous duty for submerged condition in water that is 40º C or below.

The 4NS is a heavy duty design for a range of commercial and industrial applications including sewage systems, flood and pollution control, industrial dewatering, waste water treatment plants, municipal and subdivision lift stations.

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SKU: 4NS12K2MC, 4NS12K3MC, 4NS12K4MC, 4NS12K5MC, 4NS12L2KC, 4NS12L3KC, 4NS12L4KC, 4NS12L5KC, 4NS12M2GC, 4NS12M3GC, 4NS12M4GC, 4NS12M5GC, 4NS12N2EC, 4NS12N3EC, 4NS12N4EC, 4NS12N5EC, 4NS12P2CC, 4NS12P3CC, 4NS12P4CC, 4NS12P5CC, 4NS12Q2BC, 4NS12Q3BC, 4NS12Q4BC, 4NS12Q5BC, 4NS12R2AC, 4NS12R3AC, 4NS12R4AC, 4NS12R5AC, 4NS13K2DC, 4NS13K3DC, 4NS13K4DC, 4NS13K5DC, 4NS13L2AC, 4NS13L3AC, 4NS13L4AC, 4NS13L5AC Categories: , Tags: , , ,

Commercial Submersible Sewage Pumps 4″ Non-Clog 4NS

Applications:
Sewage Systems
Flood and Pollution Control
Industrial Dewatering
Waste Water Treatment Plants
Municipal and Subdivision Lift Stations

Features and Benefits

  • 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
  • Dual Mechanical Seals
  • Designed for Continuous Operation
Specs

Pump Solids handling capabilities: 3" maximum. Discharge size: 4" 125# ANSI flanged. Capacities: up to 1160 GPM. Total heads: up to 140 feet. Minimum flow: 100 GPM. Maximum flow: end of published curve. Mechanical seals: 304 stainless steel metal parts, BUNA-N elastomers with carbon/rotary and ceramic/stationary faces standard for upper and lower seals. Optional lower seals are available with Viton elastomers and either silicon carbide/silicon carbide or silicon carbide/tungsten carbide faces. Fasteners: 300 series stainless steel.
Motor

CSA certified motors (Canadian Standards Association) Three phase motors only Available voltages: 200, 230, 400, 460 and 575 volt, 60 Hertz HP Range: 7.5 – 40 Motor shaft: one-piece design of high strength 416 stainless steel All motors are 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 Moisture System: Two wire dual probe monitoring system constantly monitors seal oil chamber and stator housing for moisture. Note: 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 cords are 25’ standard length, 50’ available as an option. Motors conform to the latest applicable requirements of NEMA, IEEE, ANSI and NEC standards. NOTICE: Class 10 quick trip overload protection must be provided in control panel.

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