- 3 times faster than
- Approved multiple
dust collector with air motor shaker and powerful blower for clean operation
- Particle velocities
to 600 feet per second
- Uses less compressed
air as other types
- Can operate on as
little as 3 horsepower of air
- Can use angle
nozzles to blast inside of tubes
- Uses any dry
- Kelco Model CH24C
Low initial cost
- Tungsten carbide
- 12 gage steel air
- Integral dust
collector with fan on clean air side
- Uses any dry
- No moving parts
- Little skill to
- Very low maintenance
- No venting required
Kelco Model CS3636C
- Pressure Blast versus Syphon
In the majority of applications, the Pressure Blast
is favored because of it's speed and versatility. The pressure blast is a system in which
the abrasive is in a closed pressurized tank with one hose carrying a mixture of
compressed air and abrasive from the tank to the nozzle. The Syphon Blast is a system in
which two hoses, one for compressed air and one for the abrasive syphon, are connected to
a gun which has a nozzle and an air jet.
Advantages of Pressure Blast:
Faster - about 3
times faster than syphon blast.
range - many pressure blasts are designed to operate from 1 to 125 psi.
Control of abrasive
flow rate - the abrasive valve and the choke valve permit accurate control of the abrasive
Operator fatigue -
Reduced pressure blast nozzles are more compact and lightweight.
Maintenance - There
are no air jets or gun bodies to wear out.
life - Blast cleaning at high pressure greatly reduces abrasive life.
throw more abrasive but at low pressure.
breakdown per unit cleaned is reduced.
Can clean cored
velocity - Critical in getting "tooth" on a blast cleaned metal surface.
Nozzle Variety -
Can use special nozzles such as angle nozzle, cone blast 3600 nozzles,
bottoming nozzles, and rubber tube nozzles.
Advantages of Syphon Blast:
Lower price -
Pressure blast cabinets usually cost more than syphon blast cabinets of similar size.
Change Time - Most syphon blast cabinets are designed so the abrasive can be changed in 1
or 2 minutes. Most pressure blast cabinets require 5 to 10 minutes.
of Abrasive - In syphon blast cabinets, the abrasive is continuously re-cycled without
interrupting the blast. In a pressure blast cabinet, the spent abrasive in the hopper will
re-charge into the abrasive tank via the automatic fill valve after blasting stops, about
In a choice between pressure blast and syphon
blast where pressure blast can give 3 time faster production, profit argues very strongly
in favor of pressure blast.
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