- 20
- 25
- 30
- 35
- 7/8"
- 1-1/8"
- 1-1/4"
- 3/4"
- 1"
- Ø55x25
- Ø66x25
- 110 g
- 90 g
- 100 g
- 70 g
- 120 g
- Description
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Tecnoseal Aluminium NACA Profile Shaft Collar Sacrificial Anodes – Shaft 19–35 mm
The Tecnoseal Aluminium NACA Profile Shaft Collar Anodes are sacrificial anodes available in nine shaft-size configurations. The range includes both metric and imperial shaft sizes from 19 mm / 3/4" up to 35 mm.
All models have a height of 25 mm. Versions for smaller shaft sizes have an outside diameter of Ø55 mm, while the larger versions have an outside diameter of Ø66 mm. Aluminium anode weights range from 0.07 to 0.12 kg.
Confirmed Osculati cross references include Tecnoseal 00551AL / Osculati 43.803.22, 00552AL / Osculati 43.803.25, 00553AL / Osculati 43.803.26, 00555AL / Osculati 43.803.30, 00556AL / Osculati 43.803.32 and 00557AL / Osculati 43.803.35.
Key Features
- Brand: Tecnoseal
- Type: NACA Profile Shaft Collar Anode
- Material: Aluminium
- Available Models: 00550AL, 00550-1AL, 00551AL, 00552AL, 00553AL, 00554AL, 00555AL, 00556AL and 00557AL
- Osculati Cross References: 00550-1AL / 43.803.20; 00551AL / 43.803.22; 00552AL / 43.803.25; 00553AL / 43.803.26; 00555AL / 43.803.30; 00556AL / 43.803.32; 00557AL / 43.803.35
- Shaft Size Range: 19–35 mm
- Height (h): 25 mm
- Outside Diameter (Ø): 55 or 66 mm
- Weight Range: 0.07–0.12 kg
Available Models and Technical Specifications
Tecnoseal Code Osculati Reference Shaft Size Weight Height (h) Outside Diameter (Ø) Ø1 00550AL — 19 mm / 3/4" 0.12 kg / 120 g 25 mm 55 mm 19 mm 00550-1AL — 20 mm 0.10 kg / 100 g 25 mm 55 mm 20 mm 00551AL 43.803.22 7/8" 0.12 kg / 120 g 25 mm 55 mm 22 mm 00552AL 43.803.25 25 mm 0.09 kg / 90 g 25 mm 55 mm 25 mm 00553AL 43.803.26 1" 0.12 kg / 120 g 25 mm 55 mm 25.40 mm 00554AL — 1-1/8" 0.11 kg / 110 g 25 mm 66 mm 28.60 mm 00555AL 43.803.30 30 mm 0.07 kg / 70 g 25 mm 66 mm 30 mm 00556AL 43.803.32 1-1/4" 0.10 kg / 100 g 25 mm 66 mm 31.80 mm 00557AL 43.803.35 35 mm 0.09 kg / 90 g 25 mm 66 mm 35 mm
Tecnoseal 00550AL – Shaft 19 mm / 3/4"
- Material: Aluminium
- Weight: 0.12 kg / 120 g / 0.26 lb
- Shaft Size: 19 mm / 3/4"
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 55 mm / 2.17 in
- Ø1: 19 mm / 0.75 in
Tecnoseal 00550-1AL – Shaft 20 mm
- Material: Aluminium
- Weight: 0.10 kg / 100 g / 0.22 lb
- Shaft Size: 20 mm
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 55 mm / 2.17 in
- Ø1: 20 mm / 0.79 in
Tecnoseal 00551AL / Osculati 43.803.22 – Shaft 7/8"
- Tecnoseal Code: 00551AL
- Osculati Reference: 43.803.22
- Material: Aluminium
- Weight: 0.12 kg / 120 g / 0.26 lb
- Shaft Size: 7/8"
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 55 mm / 2.17 in
- Ø1: 22 mm / 0.87 in
Tecnoseal 00552AL / Osculati 43.803.25 – Shaft 25 mm
- Tecnoseal Code: 00552AL
- Osculati Reference: 43.803.25
- Material: Aluminium
- Weight: 0.09 kg / 90 g / 0.20 lb
- Shaft Size: 25 mm
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 55 mm / 2.17 in
- Ø1: 25 mm / 0.98 in
Tecnoseal 00553AL / Osculati 43.803.26 – Shaft 1"
- Tecnoseal Code: 00553AL
- Osculati Reference: 43.803.26
- Material: Aluminium
- Weight: 0.12 kg / 120 g / 0.26 lb
- Shaft Size: 1"
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 55 mm / 2.17 in
- Ø1: 25.40 mm / 1.00 in
Tecnoseal 00554AL – Shaft 1-1/8"
- Material: Aluminium
- Weight: 0.11 kg / 110 g / 0.24 lb
- Shaft Size: 1-1/8"
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 66 mm / 2.60 in
- Ø1: 28.60 mm / 1.13 in
Tecnoseal 00555AL / Osculati 43.803.30 – Shaft 30 mm
- Tecnoseal Code: 00555AL
- Osculati Reference: 43.803.30
- Material: Aluminium
- Weight: 0.07 kg / 70 g / 0.15 lb
- Shaft Size: 30 mm
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 66 mm / 2.60 in
- Ø1: 30 mm / 1.18 in
Tecnoseal 00556AL / Osculati 43.803.32 – Shaft 1-1/4"
- Tecnoseal Code: 00556AL
- Osculati Reference: 43.803.32
- Material: Aluminium
- Weight: 0.10 kg / 100 g / 0.22 lb
- Shaft Size: 1-1/4"
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 66 mm / 2.60 in
- Ø1: 31.80 mm / 1.25 in
Tecnoseal 00557AL / Osculati 43.803.35 – Shaft 35 mm
- Tecnoseal Code: 00557AL
- Osculati Reference: 43.803.35
- Material: Aluminium
- Weight: 0.09 kg / 90 g / 0.20 lb
- Shaft Size: 35 mm
- Height (h): 25 mm / 0.98 in
- Outside Diameter (Ø): 66 mm / 2.60 in
- Ø1: 35 mm / 1.38 in
Dimensions for Model Selection
- Shaft Size: Shaft diameter specified for the corresponding model
- h: Anode height
- Ø: Overall outside diameter
- Ø1: Shaft opening diameter
For replacement selection, compare the shaft size, outside diameter, height, Ø1 dimension and anode weight with the existing installation.
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