KEY FEATURES:

• Rugged and dependable heavy-duty cast iron pump with powder coat finish.
• Liberty's "workhorse" sump pump features a unique one-piece cast iron body, quick-disconnect power cord and three different switch options - including our Vertical Magnetic Float design (VMF) for smaller pits (model 257).
• With a durable, epoxy powder coat finish and vortex style impeller, Liberty's 250-series pump is the perfect choice for low-head effluent pumping or basement de-watering.

GENERAL DATA:

MODEL:257

HP:1/3

PHASE:1

FULL LOAD AMPS:5.2

LOCKED ROTOR AMPS:8

THERMAL OVERLOAD TEMP:105˚C / 221°F

STATOR WINDING CLASS:B

DISCHARGE:1 1/2

AUTOMATIC:YES INTEGRAL VERTICLE FLOAT

SOLIDS HANDLING SIZE:½”

PAINT:POWDER COAT

MAX LIQUID TEMP:60˚C 140˚C

MAX STATOR TEMP:CLASS B 130˚C/ 266˚F

THERMAL OVERLOAD:105˚C / 221˚F

ORINGS:BUNA N

WEIGHT:23 LBS

 

CONSTRUCTION/MATERIAL DATA:

SHAFT:STAINLESS

HARDWARE:STAINLESS

IMPELLER:VORTEX ENGINEERED POLYMER

MOTOR HOUSING /VOLUTE:CLASS 25 CAST IRON

SEAL:ENGINEERED DOUBLE LIP SEAL WITH STAINLESS STEEL SPRINGS

 

ELECTRICAL/MOTOR DATA:

CORD LENGTH FT:10

VOLTAGE:115

POWER CORD TYPE:SJTW (10ft & 25ft models) SJTOOW (35ft & 50ft models)