INEX SUCTION BLAST CABINET With VACUUM COLLECTOR Page 2
© 2005 CLEMCO INDUSTRIES CORP. • www.clemcoindustries.com • Manual No11217 Rev. E 03/05
Figure 1
are based on standard 5/16″ orifice nozzle (5/32″ air jet)
and average conditions. As a rule, larger nozzles deliver
more media, thus demand greater air movement though
the cabinet. With larger nozzles, the maximum size of
media decreases from those recommended. Media finer
than those recommended may decrease visibility.
1.6.2 Steel: Fine steel grit or shot may be used.
However, care must be taken to prevent ricocheting
abrasive from peening the cabinet weldment.
1.6.3 Sand and Slag: Sand should never be used
because of the respiratory hazards associated with
media containing free silica. Slags are not recommended
because they rapidly break down.
1.6.4 Silicon Carbide, Aluminum Oxide, and
Garnet: These are the most aggressive, high volume
abrasive in the blasting industry. Aggressive media such
as these may be used, but the service life will be
reduced on any equipment components which come in
contact with the abrasive. To avoid unscheduled down
time, periodically inspect the nozzle, media hose,
conveying hose, and filter for abrasive wear. Nozzles
lined with boron carbide are recommended to extend
nozzle wear life. See Section 8.2.
1.6.5 Glass Bead: Most beads are treated to ensure
free-flow operation even with moderately high humidity.
Glass beads subjected to moisture may be reused after
thorough drying and breaking up of any lumps.
1.7 Compressed Air Requirements
1.7.1 The size of the compressor required to operate
the cabinet depends on the size of the air jet and
blasting pressure. Unless specified otherwise, cabinets
are supplied with a No. 5 (5/32" orifice) jet. See table in
Figure 2 to determine cfm requirements. Consult with a
compressor supplier for suggested compressor size
based on the air consumption.
BNP Gun Jet Nozzle CFM PSI
No. 4 1/8" 5/16" 21 80
No. 5 5/32" 5/16" 32 80
No. 6 3/16" 3/8" 47 80
Air Consumption in cfm
Figure 2
1.7.2 The air filter at the air inlet connection, reduces
condensed water from the compressed air. Its use is
especially important in areas of high humidity, or when
fine-mesh media are used. Moisture causes media to
clot and inhibits free flow through the feed assembly. If
moisture problems persist, an air dryer may be required.
1.8 Electrical Requirements
1.8.1 The system requires 120-VAC, 1-Ph, 60-Hz,
with 15 Amps service. A power cord is supplied. No
additional wiring is required.
WARNING
Do not use electrical adaptors that eliminate the
ground prong on 120-volt plugs. Doing so can
cause electric shock and equipment damage.
Metering Valve
Foot Pedal
Vacuum
Collector
On-Off Switch
BNP Blast Gun
Pilot Regulator
Pressure Gauge
Air Inlet Duct
Air Filter
Compressed air inlet
Grounding Lug
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