Elcometer Silicon Nitride "Syalon" Venturi Blast Nozzle with Acetal Jacket
€231.24
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Scope of delivery
- Blast nozzle in the selected size
- Rubber gasket for nylon nozzle holders
Silicon nitride "Syalon" Venturi nozzle – half the weight, hard wearing
Designed to be hard wearing and long lasting, this Venturi blast nozzle features a silicon nitride ("Syalon") liner which reduces the weight of the nozzle by approximately 50 %, significantly reducing operator fatigue. It offers high temperature resistant properties, making it resistant to corrosion by many acids and alkalis, and the acetal jacket offers improved impact protection. 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
- Approx. 50 % lighter: than other nozzles of the same size
- Hard wearing: outstanding wear resistance of the silicon nitride liner
- Resistant: high temperature resistant, resists corrosion by many acids and alkalis
- 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") | 140 mm | 32 mm (1¼") | 2" contractor | MT28446-4C |
| #5 | 8 mm (5/16") | 150 mm | 32 mm (1¼") | 2" contractor | MT28446-5C |
| #6 | 9.5 mm (3/8") | 175 mm | 32 mm (1¼") | 2" contractor | MT28446-6C |
| #7 | 11 mm (7/16") | 205 mm | 32 mm (1¼") | 2" contractor | MT28446-7C |
| #8 | 12.5 mm (1/2") | 235 mm | 32 mm (1¼") | 2" contractor | MT28446-8C |
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: 2151996
- Manufacturer: Elcometer
Technical details
| Manufacturer order numbers | MT28446-4C, MT28446-5C, MT28446-6C, MT28446-7C, MT28446-8C |
| Bore lining | Silicon nitride "Syalon" (SN) |
| Jacket | Acetal |
| Bore shape | Venturi (converging entry, diverging exit) |
| Thread | 2" (51 mm) contractor thread |
| Entry diameter | 32 mm (1¼") |
| Nozzle sizes | #4, #5, #6, #7, #8 (6.35–12.5 mm) |
| Lengths | 140–235 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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