BLUE M
Blue M - - DC 146 Series Industrial Ovens, Models DC, DCW, DCI, DCC
Page 23
5.6 Inert Gas Supply Connection for Model DCI
An inert gas supply is required for process operation of the Model DCI. The selection of the approved gases
listed below is primarily dependant upon compatibility with the materials being processed.
Warning! This oven is designed for use with only the non-explosive, non-flammable, inert gases
listed below. Operator injury and equipment damage may result if these instructions are not
followed.
The following inert gases are approved for the Models DCI
and DCC.
Argon
Carbon Dioxide
Helium
Nitrogen
The inlet connection is located inside the gas control housing
on the left side of the oven. To access the connection you
must first remove the housing cover.
Caution! A manually operated shut-off valve and
a reliable pressure regulator should be installed
between your inert gas supply source and the oven
connection.
The gas supply should be regulated by the customer in the
range from 40 to 70 PSIG maximum. The connection is Type
3/8” FPT. Make sure the connection is secure.
The Purge Rate Adjustment needle valve on the flowmeter is
used to adjust gas flow during the Purge Cycle. The Run Flow
Adjustment Valve adjusts gas flow during the Run (Heat
Process) Cycle.
Refer to the Gas Flow Rate Table in Section 7.1 for the
corresponding purge rates specified for your oven.
You must adhere to the following warnings!
Warning! Suffocation hazard. The oven must be located in a well ventilated area. Although inert
gases are not in themselves toxic, they can displace sufficient oxygen in poorly ventilated rooms
to cause suffocation or asphyxiation.
Warning! Burn Hazard. Avoid contact with cryogenic materials. Serious burns from immediate
frostbite will result. Insulated gloves, eye goggles, and protective clothing MUST be worn when
working with or around these materials. Gloves should be loose fitting so they can be quickly
discarded in case liquefied gas spills or sprays into them.
INERT GAS CONTROL SYSTEM
Chamber Pressure
Relief Valve
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