Liberty 331


Pump, Centrifugal, 1/2hp

331 118395
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ItemCentrifugal Pump
Inlet (In.)3/4
Outlet (In.)3/4
Motor EnclosureNema Type 3
Motor TypeAC/DC Brush
Service Factor1
Wetted MaterialsThermoplastic, Cast Aluminum, Brass, Stainless Steel
Impeller MaterialThermoplastic
Housing MaterialCast Aluminum
Volute MaterialCast Aluminum
Shaft Material300 Stainless Steel
Screw Material300 Stainless Steel
Seal TypeMechanical Cartridge
Seal MaterialCarbon/Ceramic Buna N
Max. Liquid Temp. (F)135
Suction Lift (Ft.)15
GPH of Water @ 5 PSI1222
GPH of Water @ 10 PSI1091
GPH of Water @ 15 PSI936
GPH of Water @ 20 PSI793
GPH of Water @ 25 PSI654
GPH of Water @ 30 PSI504
GPH of Water @ 35 PSI342
GPH of Water @ 40 PSI180
GPM of Water @ 1 Ft. of Head24.0
GPM of Water @ 5 Ft. of Head23
GPM of Water @ 10 Ft. of Head22
GPM of Water @ 15 Ft. of Head21
GPM of Water @ 20 Ft. of Head19
GPM of Water @ 25 Ft. of Head18
GPM of Water @ 30 Ft. of Head17
GPM of Water @ 35 Ft. of Head16
GPM of Water @ 40 Ft. of Head15
GPM of Water @ 50 Ft. of Head13
GPM of Water @ 60 Ft. of Head11
GPM of Water @ 70 Ft. of Head8
GPM of Water @ 80 Ft. of Head6.5
GPM of Water @ 90 Ft. of Head4
Max. Head (Ft.)105
Max. Pressure (PSI)40
Cord20 ft.
Best Efficiency GPM @ Head (Ft.)10@60
Best Efficiency Range GPM @ Head (Ft.)13-9 GPM @ 48-71 Ft
Max. Specific Gravity1
Max. Case Pressure (PSI)100
Inlet Pressure (PSI)60
Impeller TypeOpen
Bearing TypeBall
Max. Dia. Solids (In.)1/8
Agency ComplianceCSA
Application Water Transfer
Height (In.)7
Length (In.)9-3/4
Width (In.)4-1/2
Includes 3/4" OD Brass Garden Hose Connectors and Plastic Suction Screen
Weight 11.650000


Centrifugal Pump, Self-Priming, 1/2 HP, 1 Phase, Voltage 115, 8.0 Amps, 60 Hz, Inlet 3/4 In., Outlet 3/4 In., Motor Enclosure Nema Type 3, 7500 RPM, Service Factor 1, Impeller Material Thermoplastic, Housing Material Cast Aluminum, Seal Type Mechanical Cartridge, Suction Lift 15 Ft., Max. Head 105 Ft., Max. Pressure 40 PSI, Cord 20, Inlet Pressure 60 PSI, Impeller Type Open, Max. Dia. Solids 1/8 In., Height 7 In., Length 9 3/4 In., Width 4 1/2 In.

Portable Liquid Transfer Pump
  • Easy-to-use pump provides high head and high pressures to move water quickly. Features convenient On/Off switch for control at the pump. Large hand-tightened prime plug has internal funnel design for fast and easy priming. Stainless steel retention plate extends seal life by retaining water on the shaft seal during intermittent run-dry conditions. Plastic open-type impeller. Includes 3/4" O.D. brass garden hose connectors and plastic suction screen for hose end.
  • Mechanical carbon ceramic seal

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