Products

O-Ring Flanges

SKU: BR-100628-998
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inc. VAT
O-ring sealing flange for the 2″, 3″, 4″, 5″, 6″, and 8″ Watertight Enclosures. These are the second generation of flanges with a locking cord and anti-rotation feature. Compatible with dome end caps, flat end caps, and custom end caps. Includes locking cord and O-rings. Not compatible with the first generation non-locking tubes.
Select variant...
inc. VAT

Product Description

The O-ring Flange seals to a tube on one end and to an end cap on the other. These are used with our flat end caps and dome end caps to create a high-pressure watertight interface to the enclosure tube. The flange can be used with custom made end caps as well.

These second generation flanges are anodized aluminum and include dual radial O-rings and a face seal O-ring for reliable high-pressure sealing, a locking cord gland, and an anti-rotation feature. They come with PTFE locking cord and locking cord handles to secure the flange to the tube. These flanges are only compatible with our watertight enclosure tubes, which have precision machined features at each end to interface with the flange.

Internal mounting holes make it easy to attach internal contents securely. This feature is used on the BlueROV2 to hold the electronics tray.

The flanges are available individually here, but you can configure a complete watertight enclosure from the watertight enclosure configuration page.

Technical Specifications

Series DiameterFace Seal O-ringRadial Seal O-ringFlange OD (E)Piston Diameter (F)Piston Length (G)Overall Length (H)Inner Mounting Hole Circle (J)WeightPart Number
50 mm (2")-030
Buna-N 70A
-031
Buna-N 70A
58.0 ± 0.1 mm50.95 ± 0.05 mm15.5 ± 0.1 mm21.5 ± 0.1 mm43.0 ± 0.1 mm41 gBR-100628-998
75 mm (3")-148
Buna-N 70A
-150
Buna-N 70A
88.9 ± 0.1 mm79.95 ± 0.05 mm19.1 ± 0.1 mm27.0 ± 0.1 mm68.6 ± 0.1 mm81 gBR-100647
100 mm (4")-154
Buna-N 70A
-154
Buna-N 70A
114.3 ± 0.1 mm103.95 ± 0.05 mm19.1 ± 0.1 mm27.0 ± 0.1 mm94.0 ± 0.1 mm107 gBR-100665
130 mm (5")-157
Buna-N 70A
-248
Buna-N 70A
137.7 ± 0.1 mm130.45 ± 0.05 mm28.0 ± 0.1 mm34.0 ± 0.1 mm115.0 ± 0.1 mm238 gBR-102200
150 mm (6")-162
Buna-N 70A
-255
Buna-N 70A
165.4 ± 0.1 mm156.45 ± 0.05 mm30.0 ± 0.1 mm36.0 ± 0.1 mm142.0 ± 0.1 mm308 gBR-102201
200 mm (8")-170
Buna-N 70A
-265
Buna-N 70A
215.7 ± 0.1 mm205.95 ± 0.05 mm36.0 ± 0.1 mm42.0 ± 0.1 mm186.0 ± 0.1 mm540 gBR-102202
Material: Aluminum 6061-T6, type III anodized for all flanges
Locking Cord Diameter (D): 2.6 ± 0.4 mm for all flange sizes
Inner Mounting Holes (I): M3x0.5 for all flange sizes

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