Venturi push-in blast nozzle GBC-25, boron carbide, long, nozzle bore 5 to 8 mm
The Contracor GBC-25 is a long Venturi push-in nozzle with a highly wear-resistant boron carbide insert for blast hoses with an internal diameter of 25 mm. It is particularly suitable for highly abrasive blasting media and intensive continuous operation. Multiple nozzle orifices allow adjustment to the available air capacity and application.
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| SKU:
10112071
Venturi push-in blast nozzle GBC-25, boron carbide, long, nozzle bore 5 to 8 mm - 5 x 100 está agotado y se enviará tan pronto como vuelva a estar disponible.
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Questions & Help
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Leasing & Hire Purchase
Leasing & Hire Purchase
We offer the financing options leasing and hire purchase exclusively to businesses, commercial operators and self-employed persons for selected products with a net order value of €1,000 or more. Below you will find the key differences between the two forms of financing.
Leasing
With leasing, the product is made available to the lessee for use in return for regular lease payments. The asset is recognized on the lessor’s balance sheet. Lease payments can generally be claimed as operating expenses for tax purposes. These are gross payments, and VAT is charged throughout the entire term. Once the agreed minimum lease term has expired, purchasing the product is generally possible.
Hire purchase
In economic terms, hire purchase is equivalent to an installment purchase. The product is capitalized on the hire purchaser’s balance sheet and depreciated in accordance with the official depreciation tables. Ownership of the asset transfers to the hire purchaser upon payment of the final hire-purchase installment. VAT must be paid in full with the first hire-purchase installment (a pass-through item).
Shipping & Delivery
Shipping & Delivery
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The delivery times stated in the online shop are non-binding estimates, unless a binding delivery date has been expressly agreed in writing. They are based on the information available from our manufacturers, suppliers and logistics partners at the time the order is placed.
A large proportion of the products offered are shipped directly from the manufacturer or from external central warehouses (direct shipment). As a result, delivery times may differ from the stated guidelines. In particular, material shortages, production delays, supply bottlenecks, force majeure or other circumstances for which we are not responsible may result in delivery delays.
Disclaimer:
We accept no liability for delivery delays resulting from circumstances beyond our control. This applies in particular to delays caused by manufacturers, upstream suppliers, transport companies or other third parties. Liability for any resulting damages, in particular indirect damages, consequential damages or loss of profit, is excluded to the extent permitted by law.
Partial deliveries are permitted insofar as they are reasonable for the customer. They will not result in additional shipping costs unless otherwise agreed.
The exact delivery time for an item can be provided individually on request, either before or after placing the order.
Please contact us by telephone at +49 (0)2551 5030 or by email at shipping@strahltechnik-express.de.
If significant delivery delays occur, we will inform the customer without undue delay. Mandatory statutory rights of the customer remain unaffected.
| SKU:
10112071
Venturi push-in blast nozzle GBC-25, boron carbide, long, nozzle bore 5 to 8 mm - 5 x 100 está agotado y se enviará tan pronto como vuelva a estar disponible.
Contracor GBC-25 – boron carbide Venturi push-in nozzle for blast hose ID 25 mm
The Contracor GBC-25 is a long Venturi push-in nozzle for professional pressure blasting systems. It is inserted directly into a blast hose with a 25 mm inner diameter and is particularly suitable for applications involving highly abrasive blasting media.
The nozzle core made of boron carbide (B4C) offers very high wear resistance, making it ideal for aggressive media such as corundum, aluminium oxide, silicon carbide and steel grit. The aluminium covering protects the nozzle core and provides a robust, compact design.
Your benefits at a glance
✅ Long Venturi geometry for high surface coverage
✅ Direct installation in blast hoses with a 25 mm inner diameter
✅ No separate threaded nozzle holder required
✅ Consistent overall length of 100 mm
✅ Three nozzle bores from 5.0 to 8.0 mm
✅ Robust aluminium covering
✅ Particularly suitable for aggressive blasting media
✅ Suitable for mobile and stationary pressure blasting systems
Technical data
| Feature | Specification |
|---|---|
| Series | GBC |
| Nozzle shape | Long Venturi push-in nozzle |
| Nozzle core | Boron carbide (B4C) |
| Covering | Aluminium |
| Connection | Push-in connection |
| Suitable blast hose | 25 mm inner diameter |
| Overall length | 100 mm |
| Indicative service life | up to approx. 1,000 operating hours* |
Variants, article numbers and air consumption
| Model | Bore | Length | Air consumption at 6 bar** | Article number |
|---|---|---|---|---|
| GBC-5.0 | 5.0 mm | 100 mm | approx. 1.10 m³/min | 10112071 |
| GBC-6.5 | 6.5 mm | 100 mm | approx. 2.05 m³/min | 10112072 |
| GBC-8.0 | 8.0 mm | 100 mm | approx. 3.40 m³/min | 10112073 |
*Actual service life depends on the abrasive medium, grain size, operating pressure and handling.
**Air volumes are approximate values at a nozzle pressure of 6 bar.
Suitable abrasive media
✔ Silicon carbide
✔ Steel grit and steel shot
✔ Garnet sand
✔ Slag abrasives
✔ Glass beads
✔ Other dry, free-flowing abrasive media
Installation and use
The GBC is inserted into the end of a suitable blast hose with an inner diameter of 25 mm and securely fixed using the designated attachment. Before each use, check the nozzle, hose and attachment for secure fit and damage.
Typical areas of application
✔ Surface preparation before coating
✔ Steel, mechanical engineering and plant construction
✔ Corrosion protection work
✔ Mobile construction site applications
✔ Workshop and industrial operations
Maintenance and safety
✔ Check the nozzle for cracks and damage
✔ Check the attachment to the hose before each use
✔ Install or replace only when the system is completely depressurized
✔ Replace damaged or heavily worn nozzles immediately
✔ Use the required respiratory and abrasive blasting protective equipment
FAQ – Frequently asked questions
Which blast hose is the GBC suitable for?
For sandblasting hoses with an inner diameter of 25 mm.
What length are the variants?
All GBC variants have a total length of 100 mm.
What is the difference between GBC and GTC?
The GBC has a boron carbide core with higher wear resistance. The GTC has a tungsten carbide core and is particularly mechanically robust.
Which bore sizes are available?
5.0, 6.5 and 8.0 mm.
Payment & Security
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