Elcometer Tungsten Carbide Double Venturi Blast Nozzle with Aluminium Jacket
€210.14
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Scope of delivery
- Blast nozzle in the selected size
- Rubber gasket for nylon nozzle holders
Double Venturi blast nozzle – 35 % larger blast pattern
The double Venturi nozzle features a wide exit opening with holes at the diverging end, allowing atmospheric air into the downstream segment and increasing the size of the blast pattern and abrasive velocity. The result is a blast pattern around 35 % larger than a standard Venturi nozzle with only a small loss in abrasive velocity. It is designed for jobs where a more even dispersion of abrasive is required through a larger blast pattern and is ideally suited to plastic and cereal type abrasive media.
A larger orifice produces a greater blast coverage area but needs more air capacity from the compressor; a smaller orifice gives a narrower pattern and uses less air. As a general rule, replace the nozzle when the orifice has worn by one nozzle size – easy to check with the Elcometer 103 Blast Nozzle Gauge.
At a glance
- 35 % larger pattern: compared with a standard Venturi nozzle
- Even dispersion: for soft media such as plastic or cereal abrasives
- Rugged: tungsten carbide liner in an aluminium jacket
- 2" contractor thread: the industry standard at 4½ TPI – greatly reduces cross threading, easy to attach, safer at high pressure
- With rubber gasket: for nylon nozzle holders; aluminium holders come with their own gasket
Sizes compared
| No. | Orifice | Length | Entry | Thread | Order number |
|---|---|---|---|---|---|
| #4 | 6.35 mm (1/4") | 149 mm | 25 mm (1") | 2" contractor | MT28346-4C |
| #5 | 8 mm (5/16") | 162 mm | 25 mm (1") | 2" contractor | MT28346-5C |
| #6 | 9.5 mm (3/8") | 176 mm | 25 mm (1") | 2" contractor | MT28346-6C |
| #7 | 11 mm (7/16") | 216 mm | 25 mm (1") | 2" contractor | MT28346-7C |
| #8 | 12.5 mm (1/2") | 235 mm | 25 mm (1") | 2" contractor | MT28346-8C |
Which bore lining is right?
- Tungsten carbide (TC): relatively inexpensive and impact resistant – ideal where rough handling cannot be avoided and with mineral, glass or coal slag abrasives
- Silicon carbide (SC): impact resistant and durable like tungsten carbide, but approximately one third of the weight – ideal for long blasting periods
- Silicon nitride (SN): outstanding wear resistance and up to 50 % lighter than other nozzles of the same size – reduces operator fatigue
- Boron carbide (BC): extremely hard wearing, up to ten times the longevity of tungsten carbide – ideal for aggressive abrasives
- Product number: 2151970
- Manufacturer: Elcometer
Technical details
| Manufacturer order numbers | MT28346-4C, MT28346-5C, MT28346-6C, MT28346-7C, MT28346-8C |
| Bore lining | Tungsten carbide (TC) |
| Jacket | Aluminium |
| Bore shape | Double Venturi with air inlet holes |
| Thread | 2" (51 mm) contractor thread |
| Entry diameter | 25 mm (1") |
| Nozzle sizes | #4, #5, #6, #7, #8 (6.35–12.5 mm) |
| Lengths | 149–235 mm |
| Supplied with rubber gasket | yes |
Further manufacturer information
Manufacturer: Elcometer Limited, Manchester (UK) – beschicht is an authorised Elcometer dealer.
Matching accessories: replacement rubber gaskets (MT29212-…), aluminium (ANH-…) and nylon (NNH-…) blast nozzle holders, Elcometer 103 Blast Nozzle Gauge.
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