Blast nozzles

Blast nozzles are a key feature of a blasting system. What makes blast nozzles so important is that:

the diameter of the nozzle, in combination with the oprating pressure, determines the consuption of compressed air;
the design of the nozzle (venturi or not) and the operating pressure determine the ejection speed of the abrasives and thereby the production capacity;
the lining of the nozzle - the internal which comes into contact with the abrasives, determines the working life of the nozzle;
the choiceof more expensive tungsten carbide, silicon nitride and boron carbide nozzles has a direct influence on the cost per square m.

Depending on the material from witch they are made??:

According to performances and constructive form:

Nozzle diameter	Working pressure
Nozzle diameter	Compressed air pressure Nm³/min
	2	3	4	5	6	7	8	9	10
4	0.3	0.5	0.5	0.7	0.9	1.1	1.2	1.3	1.5
5	0.5	0.7	0.9	1.2	1.4	1.6	1.9	2.1	2.3
6	0.7	1.0	1.3	1.7	2.0	2.3	2.7	3.0	3.3
7	0.9	1.4	1.7	2.1	2.7	3.0	3.4	4.0	4.5
8	1.2	1.8	2.4	3.0	3.6	4.2	4.8	5.4	6.0
9	1.5	2.3	3.0	3.7	4.3	5.0	5.8	6.6	7.3
10	1.8	2.8	3.7	4.6	5.6	6.5	7.4	8.3	9.3
11	2.2	3.3	4.4	5.3	6.3	7.3	8.4	9.5	10.6
12	2.7	4.0	5.3	6.6	8.0	9.3	10.6	12.0	13.3
13	3.2	4.7	6.3	7.9	9.3	11.1	12.6	14.1	15.7
14	3.6	5.4	7.2	9.1	10.7	12.6	14.6	16.3	18.2
15	4.2	6.3	8.4	10.4	12.5	14.6	16.7	18.8	20.8
16	4.7	7.1	9.4	11.8	14.2	16.7	19.0	21.3	23.7

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