Gast Manufacturing UL1450 User Manual
UL Listed Oilless Piston Air Compressors
for Dry Sprinkler Systems
Tankless / Tank Mounted
F-30 (4-10)
4LCB-55S-M450GX
6LCF-46S-M616NEX
7LDE-46S-M750X
UL1450 Listed
No lubrication required
Fully automatic
Direct Drive
Corrosion resistant internal parts
Compact, easy to install
High cycle rating pressure switch
4LCB-46T-M450GX
UL1450 Listed
Gast Oilless Piston Air Compressors
All air compressors shown have open motors. Single phase motors have internal thermal protection.
Dual voltage motors are shipped pre-wired for the higher voltage.
All tank units are wired for 115 volts.
Tankless Units
SINGLE CYLINDER MODEL
TWIN CYLINDER MODEL
A
B
C
B
For low pressure air maintenance devices
Maximum Gallons
in System to Pump
MODEL
NUMBER
1LAA-55S-M100GX 1.0
3LEM-55S-M345EX 1.5
4LCB-55S-M450GX 2.0
Factory setting: cut-in 13 psi ± 2 psi / cut-out 18 psi ± 2 psi
to 18 PSI in 30 Min.
In support of
CFM HP HZ A B C IN. NPT LBS
NFPA Standard 13
250
480
730
FREE AIR FLOW
at 13 PSI
POWER
RATING
1
1
1
OPERATING VOLTAGE
FREQUENCY
/6 115-60-1 7.67 13.75 9.17 23.0
/3 115-60-1 7.67 14.81 9.37 29.7
/2 115-60-1 6.05 16.09 13.29
DIMENSIONS
INCHES
For Dry Sprinkler systems
Maximum Gallons
MODEL
NUMBER
1LAA-46S-M100GX 90 1.0
2LAF-46S-M200EX 150 1.5
3LBA-46S-M300GX 180 2.0
3LEM-46S-M345EX 180 2.0
4LCB-46S-M450GX 300 3.1
5LCA-46S-M550GX 400 4.2
6LCF-46S-M616NEX 600 5.9 1 115/208-230-60-1 8.79 18.91 13.43
7LDE-46S-M750X 800 7.9 1 1/2 115/230-110/220-60-1 9.80 25.25 12.50
8LDF-46S-M850X 1000 8.84 2 115/230-50/60-1 9.80 25.90 12.60
Factory setting: cut-in 40 psi ± 2 psi / c ut-out 50 psi ± 2 psi
in System to Pump
to 40 PSI in 30 Min.
In support of
NFPA Standard 13
FREE AIR FLOW
at 40 PSI
CFM HP HZ A B C IN. NPT LBS
POWER
RATING
1
1
1
1
1
3
OPERATING VOLTAGE
FREQUENCY
/6 115-60-1 8.31 15.25 9.75
/4 115-60-1 8.31 15.59 9.75
/3 115-60-1 8.31 15.55 12.35
/3 115-60-1 9.63 14.81 9.37
/2 115/230-60-1 8.81 16.09 13.32
/4 115/230-60-1 8.81 16.96 13.37
DIMENSIONS
INCHES
A
PIPE
SIZE
1
/
1
/
1
/4 40.0
PIPE
SIZE
1
/4 22.5
1
/4 24.2
1
/4 30.2
1
/4 29.2
1
/4 39.5
1
/4 47.5
3
/8 55.2
3
/8 73.0
3
/8 90.0
C
SHIP
WT.
4
4
SHIP
WT.
UL Fire Protection Listing UL File EX5324 Evaluated to UL1450 Motor-operated air compressors for use in sprinkler systems
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