User Manual

DF
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32
FLUID COOLING
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Mobile DF Series
AIR COOLED DF
Features
n
Same as DH with DC Fan
n
3/4” Tube Size
n
Low AMP Draw 12 or 24 Volt
DC Motors
n
Heavy Duty Construction
n
Optional Serviceable Relief
Bypass Valve
n
Optional Fan Control Switch
n
Long Life Hydraulic Motors
n
Rugged Applications
n
Steel Manifolds
n
Heat Removal TO 35,000 BTU/Hr.
n
Oil Flows to 110 GPM
n
Mounting Brackets Included
n
SAE, NPT or 37° Flare Oil Connections
n
Damage Resistant Steel Fins
Materials
Tubes Copper
Fins Steel
Turbulators Aluminum
Manifolds S t e e l
Fan Assembly High Impact Plastic
Motor Displacement . 2 2 i n
3
/Rev. (Hydraulic)
Maximum Pressure 2000 PSI (Hydraulic)
Allowable Backpressure 1000 PSI (Hydraulic)
Relief Bypass Valve Option
MODEL DESCRIPTION
DFR-11 3/4”, external, all steel valve.
Available in either 30 PSI or 60
PSI settings. May be removed for
servicing.
DFR-12 1-1/2”, external, all steel valve.
DFR-22 Available in either 30 PSI or 60
PSI settings. May be removed for
servicing.
Ratings
Operating Pressure 300 psi
Test Pressure 300 psi
Operating Temperature 350° F
DC current required Hydraulic Motor Data
Number
Oil Flow Required Minimum Operating Maximum Fan Speed
of Fans 12 Volt 24 Volt (GPM) Pressure (PSI) (RPM)
1 12.5 amps 6.3 amps 2.1 300 2200
2 25 amps 12.6 amps 4.2 300 2200
*Other connection types available. Please consult factory for assistance.
How to Order
Model
Series
DF
DFR - Relief
Bypass Included
Model Size Selected
Motor
Specification
NM - No Motor
4A - 12 Volt DC
4B - 24 Volt DC
9 - Hydraulic
Motor
– – –
Connection
Type*
1 - NPT
2 - SAE
3 - BSPP
7 - 37° Male Flare
Relief Bypass
Blank - No Bypass
30 - 30 psi
60 - 60 psi
ADD FOR DFR MODELS ONLY
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