Spec Sheet

Model 457 VMF
VMF, magnetically
operated vertical float
switch - operates in a 10"
diameter sump
Model 453
Wide-angle float switch with
series (piggyback) plug
allows for manual
operation of pump
Model 451
Quick-connect
wide-angle float
switch
Model 450
Manual, no
float switch
5
10
15
20
25
30
35
40
0
0 10 20 30 40 50 60
0 38 78 114 156 192 228
US Gallons Per Minute
Total Head in Feet
Total Head in Meters
12
0
3
6
9
Liters Per Minute
Liberty Pumps - 7000 Apple Tree Avenue - Bergen, New York 14416
Phone [phone] - Fax [phone] - www.LibertyPumps.com
Copyright © Liberty Pumps, Inc. 2020 All rights reserved. LLIT004800-R10/20
Specifications subject to change without notice.
450-Series
Effluent Models Sump Models
Dimensional Data
Weight: 12.5 lbs
Height: 12.5"
Major Width: 9.6"
Minimum Sump Diameter: 14" (10" on Model 457)
Performance Curve
Motor Specifications
1/2hp 115V 7.5A
Oil-filled; Thermally protected
60 Hz, 3450 RPM
Impeller
Finishing
Max Fluid Temperature
Vortex style high temp engineered
thermoplastic
Powder coat
140°F (60°C) Intermittent
104°F (40°C) Continuous duty
Motor Housing
Power Cord Type
Aluminum
SJTW Quick-connect 10' standard (25' length
optional). For 25’ optional cord length, add a
“-2” sux to model number. Example: 451-2
for Model 451 with 25’ cord
Shaft
Stainless
Bearings
Hardware
Mechanical Shaft Seal
Permanently lubricated upper and lower ball bearings
Stainless
Engineered double lip seal with
stainless-steel springs