OPERATING INSTRUCTIONS for
Model No.
Part No.
R-33-FM-580
0558005789
F-33-FM-320
0558005788
* 75% Argon / 25% CO
** Maximum 12 LPM under continuous operation; Flowrates 12 to 19 LPM should not exceed a 50% duty cycle.
If higher flow rates or duty cycles are required, use CO
Dimensions and Weight:
Overall length ............... 133 to 146mm
Overall height .......................... 178mm
Weight ............................... 794 grams
!
CAUTION
Relief Device may rupture if
CO
is used with the R-33-
2
FM-580.
Do not adapt R-33-FM-580
for use with CO
The INSTRUCTIONS contained in this booklet are intended for operators who know the general principles of operation and safe
practices to be followed in operating this type of equipment. If you are not sure that you understand these principles fully, we urge
you to read our booklet "Precautions and Safety Practices for Arc Welding, Cutting and Gouging" Form 52-529, (available from your
ESAB distributor) in addition to these Instructions. Do NOT permit untrained persons to install, operate, or maintain this equipment.
Do NOT attempt to install or operate this equipment until you have read and fully understand these instructions. If you do not fully
understand these instructions, contact your supplier for further information.
The regulator covered by these instructions is listed by Underwriter's Laboratories only when using parts manufactured by ESAB
Welding & Cutting Products to the specifications on file with Underwriter's Laboratories, Inc., and when they are used in the gas
service for which they are designed and listed. The use of other parts that cause damage or failure to the equipment will void the
manufacturer's warranty.
Be sure this information reaches the operator.
You can get extra copies through your supplier.
R-33 SERIES
REGULATOR/FLOWMETERS
Gas Service
Argon/C-25*
Helium
CO
2
mixture
2
2.
Inlet Nipple
Inlet Filter
Supply Pressure Gauge
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Flow Range
Inlet Connection
LPM
(CGA)
5 to 24
9 to 68
5 to 31**
heater. (See Accessory on back page).
2
Inner Flow
Tube
Inlet Connection Nut
CAUTION
U L
®
Outlet Connection
(CGA)
580
320
Relief Device
Outer Flow
Tube
Outlet
0558007753
July, 2007
032
032
Flow
Control
Valve