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Centrifugal Pump,1/2hp,3-Ph,208-230/460V close
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Centrifugal Pump, 1/2hp, 3-Ph, 208-230/460V

Price $1,088.00 / each

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  • Item # 1N521
  • Mfr. Model # 1BF50534
  • UNSPSC # 40151503
  • Catalog Page # 3714
  • Shipping Weight 38.0 lbs.
Country of Origin USACountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemCentrifugal Pump
  • Close CoupleYes
  • HP1/2
  • Phase3
  • Voltage208-230/460VAC
  • Amps2.8-2.7/1.35
  • Inlet1-1/4" NPT
  • Outlet1" NPT
  • FlangeNo
  • Motor EnclosureTEFC
  • Housing MaterialCast Iron
  • Impeller TypeClosed
  • Impeller MaterialBronze
  • Max. GPM @ Head20 @ 20 ft.
  • Best Efficiency GPM @ Head20 gpm @ 30 ft.
  • Min. GPM @ Head10 @ 37 ft.
  • Max. Head40 ft.
  • Seal TypeType 6
  • Seal MaterialBuna N Elastomers, Carbon/Ceramic Face, 316 Stainless Steel Metal Parts
  • Length14-1/8"
  • Width8-7/8"
  • Height9"
  • Impeller Dia.3-3/16"
  • NEMA/IEC Frame56J
  • Motor RPM3500
  • Hz60
  • Service Factor1.0
  • Wetted MaterialsCast Iron, Bronze, Buna-N, Carbon, Ceramic, Stainless Steel
  • Volute MaterialCast Iron
  • Shaft Material303 Stainless Steel
  • Max. Liquid Temp.212 Degrees F with Standard Seal, 250 Degrees F with High Temperature Seal
  • GPM of Water @ 20 Ft. of Head29
  • GPM of Water @ 30 Ft. of Head20
  • Best Efficiency Range GPM @ Head13 to 28 gpm @ 32 to 21 ft.
  • Max. Specific Gravity1.0
  • Max. Case Pressure125 psi
  • Max. Fluid Viscosity40 SSU
  • Inlet Pressure30 psi
  • Max. Pressure125 psi
  • Duty CycleContinuous
  • Max. Dia. Solids1/16"
  • Number of Port Positions8
  • Manufacturers Warranty Length1 Year
  • ApplicationBooster Service, Spraying Systems, Irrigation Water Circulation, Liquid Transfer, General Purpose Pumping
  • Pump Length1"
  • Pump Width1-1/4"
  • Pump Height5"
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Compliance and Restrictions

  • This product contains a chemical that is regulated under California Proposition 65.

    Warning: This product contains a chemical known to the State of California to cause cancer.

    Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.


Close-coupled centrifugal pumps are specifically designed to be used for water circulation, booster service, liquid transfer, spraying systems, jockey pump service, and general purpose pumping. The close-coupled motor design is made for continuous operation. The compact size of the pump will save you space and make for an easy installation.

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