Elcometer Boron Carbide Venturi Nozzle with Aluminium Jacket and Rubber Sleeve
€171.17
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Scope of delivery
- Blast nozzle in the selected size
- Rubber gasket for nylon nozzle holders
Boron carbide Venturi nozzle – maximum service life for aggressive abrasives
Boron carbide is extremely hard wearing and durable, with up to ten times the longevity of tungsten carbide – ideal for aggressive abrasives. As well as being heat and corrosion resistant, the aluminium jacket keeps the nozzle lightweight, and its shock absorbent rubber sleeve preserves the internal liner. Alongside the standard lengths, sizes #6, #7 and #8 are available as XL versions with a length of 350 mm. Supplied with a rubber gasket.
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
- Up to 10× service life: compared with tungsten carbide
- Shock protected: rubber sleeve over the lightweight, heat and corrosion resistant aluminium jacket
- XL version: #6, #7 and #8 with 350 mm length
- 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 |
|---|---|---|---|---|---|
| #3 | 4.8 mm (3/16") | 135 mm | 32 mm (1¼") | 2" contractor | MT28418-3C |
| #4 | 6.35 mm (1/4") | 140 mm | 32 mm (1¼") | 2" contractor | MT28418-4C |
| #5 | 8 mm (5/16") | 145 mm | 32 mm (1¼") | 2" contractor | MT28418-5C |
| #6 | 9.5 mm (3/8") | 170 mm | 32 mm (1¼") | 2" contractor | MT28418-6C |
| #7 | 11 mm (7/16") | 190 mm | 32 mm (1¼") | 2" contractor | MT28418-7C |
| #8 | 12.5 mm (1/2") | 220 mm | 32 mm (1¼") | 2" contractor | MT28418-8C |
| #6 XL | 9.5 mm (3/8") | 350 mm | 32 mm (1¼") | 2" contractor | MT28439-6XLC |
| #7 XL | 11 mm (7/16") | 350 mm | 32 mm (1¼") | 2" contractor | MT28439-7XLC |
| #8 XL | 12.5 mm (1/2") | 350 mm | 32 mm (1¼") | 2" contractor | MT28439-8XLC |
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: 2152002
- Manufacturer: Elcometer
Technical details
| Manufacturer order numbers | MT28418-3C, MT28418-4C, MT28418-5C, MT28418-6C, MT28418-7C, MT28418-8C, MT28439-6XLC, MT28439-7XLC, MT28439-8XLC |
| Bore lining | Boron carbide (BC) |
| Jacket | Aluminium with shock-absorbing rubber sleeve |
| Bore shape | Venturi (converging entry, diverging exit) |
| Thread | 2" (51 mm) contractor thread |
| Entry diameter | 32 mm (1¼") |
| Nozzle sizes | #3, #4, #5, #6, #6 XL, #7 XL, #7, #8, #8 XL (4.8–12.5 mm) |
| Lengths | 135–350 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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