Processes
MIG (GMAW) and Pulsed MIG (GMAW-P)*
Flux Cored (FCAW)
Stick (SMAW)
DC TIG (GTAW)
Air Carbon Arc (CAC-A) Cutting and Gouging
(thru 1/4 in carbons)
Air Plasma Cutting and Gouging
with Optional Spectrum Models
*with Optima Control
Output Range CC/DC 5–400 A
CV/DC 10–34 V
Weld Output Rated at 104˚ F (40˚ C)
CC/DC and CV/DC: 300 A at 32 Volts,
60% Duty Cycle
Generator Power Rated at 104˚ F (40˚ C)
12,000 Watts, 1 or 3 phase
Weight 910 lb (412 kg)
Industrial Applications
Fabrication
Structural Steel Work
Cross-Country Pipe Welding
Process Plant Piping
Repair
Power Generation
Quick
Specs
WELD AT IDLE — when more
power is required the machine
automatically goes to high speed
without a change in the arc. Idles
with up to 5 kW of weld power
(225 A at 23 V, 170 A at 30 V).
PipePro
™
304
Diesel Engine-Driven
Welder/Generator
Issued March 2006 • Index No. ED/10.6
Low noise operation allows for
better work site communication
and safety. 72 db at 7 m
(no load—idle), 78 db at 7 m
(full load—high speed).
12,000 watts of voltage-regulated single-
and three-phase generator power allows
electric welders and plasma cutters to be
plugged into the unit allowing multiple
arcs to be run at the same time.
Dual power option
(Patented)
uses 230 volt single- or three-
phase electric input power,
eliminating fuel cost, noise,
engine wear and emissions.
Lightweight design and compact size allows a
driver to see over machine when mounted on a
truck bed. Fits sideways in a standard pickup.
Cold weather starting aids
such as standard glow plugs
and block heater ensure
easy starts.
Excellent multiprocess arc performance. Stick welding (uphill
and downhill) is superior with excellent control on the bead
(root), hot pass, fill and cap. The DIG control changes a soft arc
to a stiff forceful arc that prevents electrode sticking. Lift-Arc
™
TIG allows DC welding without the use of an HF unit for x-ray
quality starts. The MIG arc will run short arc, globular, spray,
and pulsed spray modes with excellent results using any wire
or flux core in the field. Inductance
control customizes the puddle for
maximum performance.
Toolless top and side engine access
allows easy and faster maintenance
with little clearance space needed.
Dual digital weld ammeter
and voltmeter are standard.
Amps or volts can be preset
using the weld meters.
The Power of Blue
®
.
26-HP, 3-cylinder Kubota diesel engine provides automatic
engine shutdown to protect the engine from failure due to low
oil pressure or high coolant temperature.
Welder/generator is warranted for 3 years, parts and labor.
Engine is warranted separately by the engine manufacturer.
Miller Electric Mfg. Co.
An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
Web Site
www.MillerWelds.com
International Headquarters
Phone: 920-735-4505
USA FAX: 920-735-4134
Canadian FAX: 920-735-4169
International FAX: 920-735-4125
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