Goulds 4NS12K2MC, 4NS Series, Sewage Pump, 7-1/2 HP, 200 V, 3 Ph, 900 GPM Max

Description

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
Specifications:
Brand: Goulds
Mfg. Number: 4NS12K2MC
Series: 4NS
Product Type: Sewage pump
Application: Commercial/Industrial sewage
Operation: Manual
Horsepower: 7-1/2 HP
Voltage: 200 Volts
Phase: 3
Frequency: 60 Hz
Minimum Flow: 100 GPM
Pump Casing: Cast iron
Speed: 1750 RPM
Impeller Diameter: 7.5"
Minimum Casing Thickness: 5/16"
Casing Corrosion Allowance: 1/8"
Impeller Material: Cast iron
Impeller Type: Two vane; closed
Thermal Protection: Control panel required
Maximum Solids Handling: 3"
Discharge Connection: 4" 125# ANSI flanged 8 bolt
Maximum Flow: 900 GPM
Maximum Head: 55 ft
Impeller Code: M
Motor Enclosure: Cast iron
Service Factor: 1.15
Full Load Current: 24.2 Amps
Motor Shaft: 416 stainless steel
Locked Rotor Current: 183.8 Amps
Service Factor Current: 27.0 Amps
Maximum Working Pressure: 100 PSI
Motor Insulation Rating: Class "F"
Maximum Submergence: 200 ft
KVA Code: K
Full Load Motor Efficiency: 90.5%
Winding Resistance: 0.266
Sensor Cable Size: 18/5
Frame Size: 210TY
Maximum Environment Temperature: 104°F
Chord Length: 25 ft
Power Cable Size: 8/4