543475 1 Liberty XLE50 Explosion Proof Pump Brochure
543496 1 Liberty Xle70 Explosion Proof Pump Brochure 543496_1_Liberty XLE70 Explosion Proof Pump Brochure 543496_1_Liberty XLE70 Explosion Proof Pump Brochure pdf pumpproducts
: Pump 543475 1 Liberty Xle50 Explosion Proof Pump Brochure 543475_1_Liberty XLE50 Explosion Proof Pump Brochure pdf
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XLE50-Series
XLE50-Series
1/2 hp
XLE70-Series
XLE70-Series
3/4 hp
Explosion-proof
Submersible
Sewage Pumps
for Hazardous
Locations
Class 1, Division 1
Groups C & D
Class 1, Zone 1 and
Group IIA and IIB
Features:
• Dual 2" or 3" discharge
• 2" solids-handling
• Heavy cast iron construction
• Dual shaft seals
• Seal fail sensor
• 2 vane semi-open cast iron impeller
(bronze optional)
• 416 stainless steel rotor shaft
• 1-1/2" threads provided for optional
conduit connection
For use with ISS-Series and
ISD-Series intrinsically safe panels.
Consult factory for proper panel sizing.
Liberty Pumps • 7000 Apple Tree Avenue • Bergen, New York 14416 • Phone 800-543-2550 Fax (585) 494-1839
www.libertypumps.com Copyright © Liberty Pumps, Inc. 2015
All rights reserved. LLIT 6737 R10/15
XLE50-SERIES XLE70-SERIES
1/2 hp 3/4 hp
TECHNICAL SPECIFICATIONS
FULL LOAD CAPACITOR DISCHARGE CORD WEIGHT
MODELS HP VOLTS HZ PHASE AMPS KIT SIZE LENGTH (Lbs.)
XLE51M-2 1/2 115 60 1 10.5 K001514 2" & 3" 25' 96
XLE52M-2 1/2 208/230 60 1 5.5 K001513 2" & 3" 25' 96
XLE53M-2 1/2 208/231 60 3 3.5 N/A 2" & 3" 25' 96
XLE54M-2 1/2 440-480 60 3 1.8 N/A 2" & 3" 25' 96
XLE55M-2 1/2 575 60 3 1.6 N/A 2" & 3" 25' 96
XLE71M-2 3/4 115 60 1 14 K001514 2" & 3" 25' 96
XLE72M-2 3/4 208/230 60 1 7 K001513 2" & 3" 25' 96
XLE73M-2 3/4 208/231 60 3 4.5 N/A 2" & 3" 25' 96
XLE74M-2 3/4 440-480 60 3 2 N/A 2" & 3" 25' 96
XLE75M-2 3/4 575 60 3 1.6 N/A 2" & 3" 25' 96
25' cords standard. For 35' cords, add "-3" suffix to the model number. Example: XLE51M-3
Cast iron impeller standard. For bronze impeller add “B” to model number. Example: XLE51BM-2
NOTE: 3-phase models require a control panel with overloads properly sized for the pump. See intrinsically safe panels
ISS-Series (simplex) or ISD-Series (duplex) literature for complete panel information. Consult factory for proper panel sizing.
DIMENSIONAL DATA: CONSTRUCTION:
Pump and Motor Housing: Heavy cast iron - Class 30
Impeller: Cast Iron (standard), Bronze option available (order “B” models)
Motor: Submersible type, oil-filled, hermetically sealed
Bearings: Ball bearings upper and lower
Thermal Protection: Single-phase models - built into motor windings with
automatic reset. Three-phase models require overloads in the control panel
Capacitor: External run capacitor required in panel (single phase models)
Shaft Seal: Dual seals, silicon carbide with BUNA N elastomers and
stainless steel housing
Seal Fail Sensor: Integral moisture sensing probe (functionality requires
indicator in panel – see ISS or ISD-Series panels)
Maximum Fluid Temperature: 104° F (40° C)
PERFORMANCE CURVE 60Hz. 1725 RPM
U.S. Gallons Per Minute
Total Head in Feet
020 40 60 80 120100 140 160
10
0
5
180 200
20
15
XLE70
XLE50
Liters Per Minute
0100 200 300 400 500
8
6
4
0
2
10
Total Head in Meters
700
25
35
30
600
Meets FM
Standards
Specifications are subject to change without notice.
