What you should know to specify Blasting

To specify a blasting equipment it is necessary to know the various systems usually adopted and their specific applications.

Firstly, the material to be used in the blasting must be defined.
The first twelve TECHNICAL INFORMATION, in particular the second, summarize the main characteristics of the most common materials, facilitating their choice.


Defined the material, the choice between Suction Guns, Pressure Nozzles or Turbines, depends not only on the type of work as efficiency, regularity and availability of compressed air.

Suction Pistols

16 (1)They operate with compressed air. It is introduced into the gun through the nozzle and exits through the ejector creating a vacuum in the internal venturi chamber, sucking air and abrasive from the dosing valve. It is the most widely used cabinet system for its maneuverability and low consumption of compressed air.

Operates on all materials including aqueous suspension (wet jet).

1- The nozzle diameter defines long air consumption and remains constant throughout the life of the gun.

2- Rated power absorbed from a compressed air network.
Using a team-specific compressor a slightly higher capacity (15-20%) is recommended.


3- Comparative reference with the production of the 1/8 ”diameter nozzle gun.

No.

Injector
Nozzle
Consumption of compressed air HP

Approx.


80 psi
Efficiency
40 60 80 106
2 1/16 3.1 4.2 5.3 6.4 1.2 0.2
4 1/8 12.3 16.8 21.2 25.7 4 1.0
5th 5/32 20.0 26.2 33.0 40.1 6.5 1.4
6th 3/16 27.5 37.5 47.5 57.9 9th 2.1
8th 1/4 49.0 67.0 85.0 10 3 15 4.0
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