FBN Venturi blast nozzle, tungsten carbide, long, 50 mm coarse thread, nozzle bore 5–19 mm
Lange Novablast FBN Venturi blast nozzle with tungsten carbide nozzle insert, 32 mm inlet diameter, and robust acetal jacket. The Venturi geometry produces a wide, uniform blast cone and high abrasive velocity. Features a 50 mm coarse thread and nozzle bores ranging from 5 to 19 mm.
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| Item No.
30416000
FBN Venturi blast nozzle, tungsten carbide, long, 50 mm coarse thread, nozzle bore 5–19 mm - 5 x 140 is in stock and will be shipped as soon as it is available again
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| Item No.
30416000
FBN Venturi blast nozzle, tungsten carbide, long, 50 mm coarse thread, nozzle bore 5–19 mm - 5 x 140 is in stock and will be shipped as soon as it is available again
Novablast FBN Venturi blast nozzle – tungsten carbide, 32 mm inlet diameter, and acetal jacket
The Novablast FBN is a long Venturi blast nozzle for professional pressurized blasting applications with high surface coverage rates. The elongated Venturi profile ensures that compressed air and abrasive media are accelerated in a controlled manner and exit the nozzle at high exit velocity. This creates a wide and uniform blast cone that is particularly well-suited for rapid rust removal, paint stripping, cleaning, and surface preparation tasks.
This model features a 32 mm inlet diameter, a robust acetal jacket, and a wear-resistant tungsten carbide nozzle insert. It connects via the 50 mm coarse thread, which is widely used in professional blast nozzles. With nozzle bores ranging from 5 to 19 mm, the FBN covers an exceptionally wide range of applications—from smaller compressed air capacities and targeted blasting tasks to very large air volumes and high surface coverage rates.
Benefits
✅ Long Venturi geometry for high abrasive velocity and a wide blast cone
✅ Tungsten carbide nozzle insert for rugged professional blasting applications
✅ High resistance to wear and mechanical stress
✅ Durable acetal jacket to protect the nozzle core
✅ 32 mm inlet diameter for a smooth transition from the blast hose to the nozzle
✅ 50 mm coarse thread for compatible professional nozzle holders
✅ Very wide range of nozzle bores from 5 to 19 mm
✅ Suitable for various abrasive media and numerous applications in industry, trade, and maintenance
✅ Variants with unique manufacturer SKUs for reliable reorders
Technical Specifications
| Feature | Value |
|---|---|
| Manufacturer | Novablast |
| Series | FBN |
| Translation | Long Venturi blast nozzle |
| flow profile | Venturi |
| nozzle insert | tungsten carbide |
| Outer jacket | Acetal |
| inlet diameter | 32 mm |
| Connection | 50 mm coarse thread |
| nozzle bores | 5 to 19 mm |
| nozzle lengths | 140 to 235 mm, depending on the nozzle bore |
Variants
| Variant | nozzle bore | Length | Item No. / SKU |
|---|---|---|---|
| 5 × 140 mm | 5 mm | 140 mm | 30416000 |
| 6,5 × 140 mm | 6.5 mm | 140 mm | 30417000 |
| 8 × 150 mm | 8 mm | 150 mm | 30418000 |
| 9,5 × 175 mm | 9.5 mm | 175 mm | 30419000 |
| 11 × 205 mm | 11 mm | 205 mm | 30420000 |
| 12,5 × 235 mm | 12.5 mm | 235 mm | 30421000 |
| 16 × 235 mm | 16 mm | 235 mm | 30422000 |
| 19 × 235 mm | 19 mm | 235 mm | 30423000 |
Calculate compressed air requirements, abrasive consumption, and compressor power ratings
Select the nozzle bore, operating pressure, and desired power reserve. The calculator displays the nozzle’s compressed air requirement, the recommended compressor free air deliveries, the approximate abrasive consumption, and a guideline for the required compressor motor power.
💡 Why plan for a power reserve? Blast nozzles wear out during operation. As this happens, the nozzle bore gradually increases in size, and the required compressed air flow rate rises. A power reserve helps compensate for this additional demand as well as typical pressure losses in the system, and keeps the desired blasting pressure stable even as nozzle wear increases.
The reserve applies exclusively to compressor sizing. Abrasive consumption remains unaffected.
The values are technical guidelines. Abrasive media consumption is an estimate based on published consumption tables for mineral abrasive media with a bulk density of approximately 1,600 kg/m³. Dosage, grit size, density, the metering valve, the hose system, and nozzle wear all influence actual consumption. The kW specification is for guidance only; the effective air delivery at operating pressure is the determining factor for compressor selection.
How It Works and Selecting the Nozzle Size
✔ The Venturi profile accelerates compressed air and abrasive media, producing a wide, even blast pattern
✔ The 32-mm inlet ensures a smooth, high-flow transition from the blast hose to the nozzle
✔ The nozzle bore directly affects compressed air consumption, blasting performance, and the required compressor size
✔ Smaller nozzle bores require less compressed air; larger bores allow for significantly higher surface coverage rates when there is a sufficient air supply
✔ The key factor is the actual available free air delivery of the compressor at operating pressure
Recommended Abrasive Media
The tungsten carbide core makes the FBN a versatile nozzle for many professional pressure blasting applications. It is particularly suitable for:
✔ Corundum / Aluminum Oxide
✔ Garnet abrasive
✔ Slag and other single-use mineral abrasives
✔ Glass beads
✔ Steel grit / steel grit for blasting systems designed for this purpose
✔ Additional dry, free-flowing abrasive media within the permissible grain size range
📌 Important: The grit size and maximum grain size must be compatible with the nozzle bore, the abrasive metering valve, and the entire conveying path. Damp, clumped, or excessively coarse abrasive media can impair material flow and cause cloggings.
Applications
✔ Rust removal from steel and metal surfaces
✔ Removal of old coatings, paint, scale, and heavy contamination
✔ Surface preparation prior to coating, painting, or corrosion protection
✔ Steel construction, plant engineering, vessel manufacturing, and industrial maintenance
✔ Shipyards, automotive and mechanical engineering
✔ Mobile Blasting Services on Construction Sites
Wear, Inspection, and Operation
Even a high-quality tungsten carbide blast nozzle is a wear part. Due to the continuous flow of abrasive, the nozzle bore enlarges over the course of its service life. This increases air consumption and places greater demands on the compressor.
✔ Check the nozzle bore regularly and compare it to the nominal dimension
✔ Replace heavily worn nozzles in a timely manner
✔ Check the nozzle and nozzle holder for damage and ensure they are securely fastened before starting operation
✔ Use clean, dry compressed air and suitable, contaminant-free abrasive media
FAQ
What is the inlet diameter of this FBN model?
The inlet diameter is 32 mm.
What is the connection thread on the nozzle?
The FBN is connected to a compatible nozzle holder via a 50 mm coarse thread.
What nozzle bores are available?
We carry the FBN with nozzle bores of 5, 6.5, 8, 9.5, 11, 12.5, 16, and 19 mm.
What nozzle size is right for my compressor?
The effective flow rate and the desired blasting pressure are crucial. Use the built-in calculator for this purpose.
Can a worn nozzle increase air consumption?
Yes. As the bore size increases, the required flow rate rises significantly.
Conclusion
The Novablast FBN Venturi blast nozzle is a robust and versatile solution for professional pressure blasting applications. A tungsten carbide core, acetal jacket, 32-mm inlet, and 50-mm coarse thread combine high durability with high-performance Venturi geometry. With a choice of nozzle sizes ranging from 5 to 19 mm, the FBN can be adapted to a wide variety of blasting systems. The integrated calculator helps you properly coordinate nozzle size, operating pressure, and compressor power before placing your order.
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