Pump Specifications 290 Series 3/4 hp Submersible Effluent Pump 2” Solids handling 290_P1 R09/7/2011 ©Copyright 2011 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
90-Series Dimensional Data 290 SERIES DIMENSIONAL JULY 2011 290_P2 R09/7/2011 ©Copyright 2011 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
290-Series Electrical Data MODEL HP VOLTAGE PHASE FULL LOAD AMPS THERMAL OVERLOAD TEMP STATOR WINDING CLASS CORD LENGTH FT DISCHARGE 290 3/4 115 1 10.4 24 120˚C/ 248˚F B 10 1 1/2 291 3/4 115 1 10.4 24 120˚C/ 248˚F B 10 1 1/2 293 3/4 115 1 10.4 24 120˚C/ 248˚F B 10 1 1/2 297 3/4 115 1 10.4 24 120˚C/ 248˚F B 10 1 1/2 290HV 3/4 208-230 1 5.3 13 105˚C/ 221˚F B 10 1 1/2 291HV 3/4 208-230 1 5.
290-Series Technical Data VORTEX ENGINEERED POLYMER IMPELLER ¾” SOLIDS HANDLING SIZE PAINT POWDER COAT MAX LIQUID TEMP 60˚C/ 140˚F CLASS B 130˚C/ 266˚F 120˚C/ 248˚F (115V Models) 105˚C/ 221˚F (HV Models) SJTW (10ft & 25ft models) SJTOOW (35ft & 50ft models) MAX STATOR TEMP THERMAL OVERLOAD POWER CORD TYPE MOTOR HOUSING/ VOLUTE CLASS 25 CAST IRON SHAFT STAINLESS HARDWARE STAINLESS ORINGS BUNA N UNITIZED CERAMIC CARBON SHAFT SEAL WEIGHT 31 LBS 290-Series Specifications 1.
3.01 CONSTRUCTION: Each submersible pump shall be equal to the certified Series 290 SERIES pumps as manufactured by Liberty Pumps, Bergen NY. The castings shall be constructed of class 25 cast iron. The motor housing shall be oil filled to dissipate heat. Air filled motors shall not be considered equal since they do not properly dissipate heat from the motor. All mating parts shall be machined and sealed with a Buna-N o-ring. All fasteners exposed to the liquid shall be stainless steel.
11.01 SUPPORT The pump shall have cast iron support legs, enabling it to be a free standing unit. The legs will be high enough to allow 3/4” solids to enter the volute. 12.01 SERVICEABILTY Components required for the repair of the pump shall be shipped within a period of 24 hours. 13.
