- 20
- 25
- 30
- 35
- 7/8"
- 1-1/8"
- 1-1/4"
- 3/4"
- 1"
- Ø55x25
- Ø66x25
- 270 g
- 290 g
- 260 g
- 320 g
- 240 g
- 220 g
- 230 g
- Description
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Tecnoseal Zinc NACA Profile Shaft Collar Sacrificial Anodes – Shaft 19–35 mm
The Tecnoseal Zinc 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. The smaller versions use a Ø55 mm outside diameter, while the larger versions use a Ø66 mm outside diameter. Zinc anode weights range from 0.22 to 0.32 kg.
Cross references include Tecnoseal 00550/1 / Osculati 43.801.20, Tecnoseal 00551 / Osculati 43.801.22, Tecnoseal 00552 / Osculati 43.801.25, Tecnoseal 00553 / Osculati 43.801.26, Tecnoseal 00555 / Osculati 43.801.30, Tecnoseal 00556 / Osculati 43.801.32 and Tecnoseal 00557 / Osculati 43.801.35.
Key Features
- Brand: Tecnoseal
- Type: NACA Profile Shaft Collar Anode
- Material: Zinc
- Available Models: 00550, 00550/1, 00551, 00552, 00553, 00554, 00555, 00556 and 00557
- Osculati Cross References: 00550/1 / 43.801.20; 00551 / 43.801.22; 00552 / 43.801.25; 00553 / 43.801.26; 00555 / 43.801.30; 00556 / 43.801.32; 00557 / 43.801.35
- Shaft Size Range: 19–35 mm
- Height (h): 25 mm
- Outside Diameter (Ø): 55 or 66 mm
- Weight Range: 0.22–0.32 kg
Available Models and Technical Specifications
Tecnoseal Code Osculati Reference Shaft Size Weight Height (h) Outside Diameter (Ø) Ø1 00550 — 19 mm / 3/4" 0.32 kg / 320 g 25 mm 55 mm 19 mm 00550/1 43.801.20 20 mm 0.26 kg / 260 g 25 mm 55 mm 20 mm 00551 43.801.22 7/8" 0.24 kg / 240 g 25 mm 55 mm 22 mm 00552 43.801.25 25 mm 0.22 kg / 220 g 25 mm 55 mm 25 mm 00553 43.801.26 1" 0.29 kg / 290 g 25 mm 55 mm 25.40 mm 00554 — 1-1/8" 0.27 kg / 270 g 25 mm 66 mm 28.60 mm 00555 43.801.30 30 mm 0.27 kg / 270 g 25 mm 66 mm 30 mm 00556 43.801.32 1-1/4" 0.26 kg / 260 g 25 mm 66 mm 31.80 mm 00557 43.801.35 35 mm 0.23 kg / 230 g 25 mm 66 mm 35 mm
Tecnoseal 00550 – Shaft 19 mm / 3/4"
- Material: Zinc
- Weight: 0.32 kg / 320 g / 0.71 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 00550/1 / Osculati 43.801.20 – Shaft 20 mm
- Tecnoseal Code: 00550/1
- Osculati Reference: 43.801.20
- Material: Zinc
- Weight: 0.26 kg / 260 g / 0.57 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 00551 / Osculati 43.801.22 – Shaft 7/8"
- Tecnoseal Code: 00551
- Osculati Reference: 43.801.22
- Material: Zinc
- Weight: 0.24 kg / 240 g / 0.53 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 00552 / Osculati 43.801.25 – Shaft 25 mm
- Tecnoseal Code: 00552
- Osculati Reference: 43.801.25
- Material: Zinc
- Weight: 0.22 kg / 220 g / 0.49 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 00553 / Osculati 43.801.26 – Shaft 1"
- Tecnoseal Code: 00553
- Osculati Reference: 43.801.26
- Material: Zinc
- Weight: 0.29 kg / 290 g / 0.64 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 00554 – Shaft 1-1/8"
- Material: Zinc
- Weight: 0.27 kg / 270 g / 0.60 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 00555 / Osculati 43.801.30 – Shaft 30 mm
- Tecnoseal Code: 00555
- Osculati Reference: 43.801.30
- Material: Zinc
- Weight: 0.27 kg / 270 g / 0.60 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 00556 / Osculati 43.801.32 – Shaft 1-1/4"
- Tecnoseal Code: 00556
- Osculati Reference: 43.801.32
- Material: Zinc
- Weight: 0.26 kg / 260 g / 0.57 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 00557 / Osculati 43.801.35 – Shaft 35 mm
- Tecnoseal Code: 00557
- Osculati Reference: 43.801.35
- Material: Zinc
- Weight: 0.23 kg / 230 g / 0.51 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, overall diameter, height, Ø1 dimension and anode weight with the existing installation.
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