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Goulds 1ST1G9A4, NPE Series, 2HP, 208-230/460V, Three Phase Centrifugal Pump with TEPE High Efficiency Motor

SKU: 1ST1G9A4 Category: Tags: ,



  • High Efficiency Impeller: Enclosed impeller with unique floating seal ring design maintains maximum efficiencies over the life of the pump without adjustment.
  • Mechanical Seal: Standard John Crane Type 21 with carbon versus silicon-carbide faces, Viton elastomers, and 316 stainless metal parts. Optional high temperature and chemical duty seals available.
  • Motors: NEMA standard open drip-proof, totally enclosed fan cooled or explosion proof enclosures. Rugged ball bearing design for continuous duty under all operating conditions.
  • Superior Materials of Construction: Complete AISI 316L stainless steel liquid handling components and mounting bracket for corrosion resistance, quality appearance, and improved strength and ductility.
  • Casing and Adapter Features: Stainless steel construction with NPT threaded, centerline connections, easily accessible vent, prime and drain connections with stainless steel plugs. Optional seal face vent/flush available.


Mfg. Number1ST1G9A4
SeriesNPE Series
Product TypeCentrifugal pump
ApplicationWater circulation/Booster service
Horsepower2 HP
Voltage208-230/460 volts
Frequency50/60 Hz
Speed3500 RPM
DesignClose coupled/End suction
Discharge Connection1″
Suction Connection1-1/4″
Maximum Capacity49 GPM
Maximum TDH156 ft.
Pump Size1 x 1-1/4
Impeller Diameter6-1/8″
Impeller Material316 Stainless steel
Pump Casing Material316 Stainless steel
Motor Casing Material316 Stainless steel
Motor Shaft Material316 Stainless steel
Shaft SealCarbon/Sil-Carbide/Viton/316 Stainless
RotationClockwise Rotation Viewed from Drive End
Overload ProtectionNo, provided in starter unit
Max. Working Pressure125 PSIG
Max. Temperature212°F

For pump specifications and technical data, Goulds NPE series.

Additional information

Weight44 lbs