- 370x79x38
- 400x84x42
- 510x106x53
- 1700 g
- 1180 g
- 3200 g HC160
- 3150 g HC230
- Description
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Tecnoseal NACA Aluminium Hydrofoil Bar Anodes for Hulls – Multiple Sizes
The Tecnoseal NACA series includes aluminium sacrificial anodes with a streamlined hydrofoil profile for marine hull applications. Five models are available with different body dimensions, mounting hole configurations and weights.
These hydrofoil bar anodes are used to help protect electrically connected metallic components from galvanic corrosion. The tapered profile is designed for underwater marine installations.
Key Features
- Manufacturer: Tecnoseal
- Product Series: NACA Hydrofoil Bars
- Product Type: Hydrofoil bar sacrificial anode
- Material: Aluminium
- Application: Marine hull corrosion protection
- Shape: Streamlined hydrofoil profile
- Available Models: NACA01AL, NACA03AL, NACA04AL, NACA08AL, NACA08-230AL
- Length Range: 240–510 mm
- Mounting Hole Spacing: 80–230 mm
- Catalogue Weight Range: 0.50–3.20 kg
Technical Specifications
Product Code Dimensions (L × W × H) Hole Spacing (i) Ø1 Ø Weight NACA01AL 240 × 60 × 31 mm 80 mm 13 mm 25 mm 0.50 kg NACA03AL 370 × 79 × 38 mm 150 mm 13 × 25 mm 33 mm 1.18 kg NACA04AL 400 × 84 × 42 mm 160 mm 13 × 25 mm 40 mm 1.70 kg NACA08AL 510 × 106 × 53 mm 160 mm 17 × 25 mm 40 mm 3.20 kg NACA08-230AL 510 × 106 × 53 mm 230 mm 17 × 25 mm 40 mm 3.15 kg
Available Models
Tecnoseal NACA01AL: Aluminium hydrofoil bar anode measuring 240 × 60 × 31 mm, with 80 mm mounting hole spacing, Ø1 = 13 mm and Ø = 25 mm. Weight: 0.50 kg (1.10 lbs).
Tecnoseal NACA03AL: Aluminium hydrofoil bar anode measuring 370 × 79 × 38 mm, with 150 mm mounting hole spacing, Ø1 = 13 × 25 mm and Ø = 33 mm. Weight: 1.18 kg (2.60 lbs).
Tecnoseal NACA04AL: Aluminium hydrofoil bar anode measuring 400 × 84 × 42 mm, with 160 mm mounting hole spacing, Ø1 = 13 × 25 mm and Ø = 40 mm. Weight: 1.70 kg (3.75 lbs).
Tecnoseal NACA08AL: Aluminium hydrofoil bar anode measuring 510 × 106 × 53 mm, with 160 mm mounting hole spacing, Ø1 = 17 × 25 mm and Ø = 40 mm. Weight: 3.20 kg (7.05 lbs).
Tecnoseal NACA08-230AL: Aluminium hydrofoil bar anode measuring 510 × 106 × 53 mm, with 230 mm mounting hole spacing, Ø1 = 17 × 25 mm and Ø = 40 mm. Weight: 3.15 kg (6.95 lbs).
Marine Hull Application
Tecnoseal NACA aluminium hydrofoil bar anodes are intended for underwater marine installations requiring a streamlined sacrificial anode.
The aluminium material provides sacrificial corrosion protection for electrically connected metallic components when installed with proper electrical contact and used as part of a compatible corrosion protection system.
Mounting and Replacement
Before ordering, compare the overall dimensions, mounting opening sizes and centre-to-centre distances with the existing anode.
Important: NACA08AL and NACA08-230AL have identical body dimensions of 510 × 106 × 53 mm, but different mounting distances: 160 mm and 230 mm respectively.
Inspect the sacrificial anode periodically and replace it when sufficiently consumed.
Supply: One Tecnoseal NACA aluminium hydrofoil bar sacrificial anode in the selected size and mounting configuration.
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