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Pump Head, 1/3 HP, 3/4 x 1/2 In.

Price $327.50 / each

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  • Item # 4JMY1
  • Mfr. Model # 4JMY1
  • UNSPSC # 40151503
  • Catalog Page # 3727
  • Shipping Weight 7.26 lbs.
Country of Origin ChinaCountry 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 Head
  • TypeChemical Transfer, Straight
  • HP Required1/3
  • RPM3450
  • Inlet (In.)3/4
  • Outlet (In.)1/2
  • Use with Frame Number56J
  • Wetted MaterialsCarbon, Ceramic, 304 SS, Viton
  • Impeller Material304 SS
  • Housing Material304 SS
  • Screw Material304 Stainless Steel
  • Seal TypeMechanical
  • Seal MaterialCarbon, Ceramic, Viton
  • Seal ApplicationNonflammable Liquids Compatible with Pump Components
  • Max. Liquid Temp. (F)200
  • GPM of Water @ 5 Ft. of Head21
  • GPM of Water @ 10 Ft. of Head20
  • GPM of Water @ 15 Ft. of Head18
  • GPM of Water @ 20 Ft. of Head15
  • GPM of Water @ 25 Ft. of Head11
  • GPM of Water @ 30 Ft. of Head4
  • GPM of Water @ 40 Ft. of Head1
  • Max. Head (Ft.)48
  • Max. GPM @ Head (Ft.)21 @ 5
  • Best Efficiency GPM @ Head (Ft.)10 @ 26
  • Min. GPM @ Head (Ft.)1 @ 40
  • Best Efficiency Range GPM @ Head (Ft.)19 @ 11 to 6 @ 28
  • Max. Specific Gravity1.0
  • Max. Case Pressure (PSI)150
  • Max. Fluid Viscosity31 SSU
  • Inlet Pressure (PSI)128
  • Impeller TypeClosed
  • DutyContinuous
  • Max. Dia. Solids (In.)1/8
  • Port Rotation90 Increments
  • Drain PlugNo
  • Manufacturers Warranty Length1 Year
  • ApplicationLiquids Transfer, Circulation, Chemical Processing, Cooling, Pressure Boosting and Circulating
  • For Use WithClear, Non-Abrasive, Non-Flammable Liquids Compatible with Pump Components
  • Height (In.)7-13/16
  • Length (In.)3
  • Width (In.)8-3/8
  • IncludesMounting Adapter, Hardware, Seal, O-ring
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Compliance and Restrictions



This pump head is designed for continuous-duty, high-flow applications. It is suitable for mounting to a 3450 RPM, NEMA 56J face threaded shaft motor.

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