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For nozzles, tungsten Carbide nozzle is the most rugged and durable and provides the best value.
A nozzle is a device designed to control the direction or characteristics of a flow (especially to increase velocity) as it exits (or enters) an enclosed chamber or pipe via an orifice. For nozzles, tungsten Carbide nozzle is the most rugged and durable and provides the best value.
Tungsten carbide nozzle is made by the precision machining with the tungsten carbide materials (superhard alloy). The hardness reached over HRA90 degree while the anti-bending degree reached over 2300N/mm2. On machining tungsten carbide nozzle, we do the precision grinding and surface treatment to achieve Ra0.1 of the bore roughness and the Ra0.025 of the R place of both ends. There is a scientific curvature radius design in the both entrance. This design can ensure a smooth transit of the thread. Due to the overall materials processing, and no elevation in the bore, the phenomenon of easy-bending and plugging has been improved comparing with the ruby nozzle.
Tungsten carbide nozzle is made from hot pressing with straight bore and venturi bore type. Due to its hardness, low density and excellent wear and anti-corrosion, Tungsten carbide nozzle has been widely used in sandblasting and shot peening equipment, offering a long life with optimum air and abrasive use.
How to choose a tungsten carbide nozzle?
When choosing a tungsten carbide nozzle, consider the amount of available air in cfm, the capacity of the blast machine and the inside diameter of the piping, and the blast and air hoses. For optimal performance, these elements must be compatibly sized.
If too large a nozzle is used, low blast pressure and rapid wear on the blast hose will occur. If too small a nozzle is used, smooth media flow will be difficult to achieve.
Tungsten Carbide Parameters | ||||||
Technical Parameter |
| Unit | N6 | N8 | G6 | G8 |
Composition | WC | % | 94 | 92 | 94 | 92 |
Ni | % | 6 | 8 |
|
| |
Co | % |
|
| 6 | 8 | |
Density |
| g/cm3 | 14.5~14.9 | 14.4~14.8 | 14.6~15 | 14.5~14.9 |
Hardness |
| HRA | 88.5 | 88 | 89.5 | 89 |
Fractural Strength |
| MPa | 1490 | 1470 | 1421 | 1470 |
Heat Expansion Co-efficient |
| 10-6/K | 5.2 | 5.3 | 5 | 5.1 |
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