Submittal Sheet

290_P4 R09/7/2011 ©Copyright 2011 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
290-Series Technical Data
IMPELLER
VORTEX ENGINEERED
POLYMER
SOLIDS HANDLING SIZE
¾”
PAINT
POWDER COAT
MAX LIQUID TEMP
60˚C/ 140˚F
MAX STATOR TEMP
CLASS B
130˚C/ 266˚F
THERMAL OVERLOAD
120˚C/ 248˚F (115V Models)
105˚C/ 221˚F (HV Models)
POWER CORD TYPE
SJTW (10ft & 25ft models)
SJTOOW (35ft & 50ft models)
MOTOR HOUSING/ VOLUTE
CLASS 25 CAST IRON
SHAFT
STAINLESS
HARDWARE
STAINLESS
ORINGS
BUNA N
SHAFT SEAL
UNITIZED CERAMIC
CARBON
WEIGHT
31 LBS
290-Series Specifications
1.01 GENERAL:
The contractor shall provide labor, material, equipment, and incidentals required to provide (QTY) centrifugal pumps as specified
herein. The pump models covered in this specification are Series 290 single phase pumps. The pump furnished for this application shall
be model ______________as manufactured by Liberty pumps.
2.01 OPERATING CONDITIONS:
Each submersible pump shall be rated at 3/4 hp_____ volts, single phase, 60 Hz., 3450 RPM. The unit shall produce _____G.P.M. at
______ feet of total dynamic head.
The submersible pump shall be capable of handling effluent with 3/4” solid handling capability. The submersible pump shall have a shut-
off head of 48 feet and a maximum flow of 78 GPM @ 5 feet of total dynamic head.
The pump shall be controlled with:
______A piggy back style on/off float switch.
______An integrally wired on/off float switch.
______A Vertical Mechanical Float (VMF) type on/off switch.
______A NEMA 4X outdoor simplex control panel with three float switches and a high water alarm.
______A NEMA 1 indoor simplex control panel with three float switches and a high water alarm.
______A NEMA 4X outdoor simplex control panel with four float switches and a high water alarm.
______A NEMA 1 indoor simplex control panel with four float switches and a high water alarm.
______A NEMA 4X outdoor duplex control panel with three float switches and a high water alarm.
______A NEMA 1 indoor duplex control panel with three float switches and a high water alarm.
______A NEMA 4X outdoor duplex control panel with four float switches and a high water alarm.
______A NEMA 1 indoor duplex control panel with four float switches and a high water alarm.