Description
Fit the enclosure
Two sizes for enclosure tubes with a 90 mm or 110 mm outside diameter.
Mount to the frame
Flat mounting feet provide the connection between the half-ring and a compatible frame.
Check before assembly
Use the dimensional drawings to check clearances, hole positions and enclosure interfaces.
A semicircular mount for your enclosure
The half-ring follows the outside of the enclosure tube and provides mounting points at both ends for connecting the enclosure to an ROV frame.
Black anodized aluminum alloy construction provides a consistent finish across the bracket and mounting feet.

Measure the tube’s outside diameter
Select by tube outside diameter, then check the mounting dimensions against your enclosure and frame.
| Dimension / specification | 90 mm version | 110 mm version |
|---|---|---|
| Compatible tube outside diameter | 90 mm | 110 mm |
| Overall length | 126 mm | 146 mm |
| Overall height | 59 mm | 71 mm |
| Width | 20 mm | 25 mm |
| Inner / outer arc radius | R45 / R49 | R55 / R59 |
| M3 threaded holes | 6 mm deep · 4 per face, both faces | 6 mm deep · 4 per face, both faces |
| M4 threaded mounting holes | 4 | 4 |
| Material / finish | Black anodized aluminum alloy | |
Clear drawings for both sizes
Front, side and top views are separated by version. All dimensions are in millimeters.


See how the half-rings fit the enclosure


Check the interfaces before fitting
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Match the enclosure
Measure the tube OD and confirm the retaining-ring interface against the drawing.
-
Check the frame
Verify the mounting-foot positions, available space and fastener access on your frame.
-
Use suitable hardware
Select screw lengths for your assembly and the specified threaded-hole depth. Check that fasteners do not bottom out.
See the part from different angles


Download engineering drawings
90 / 110 mm half-ring drawings
Before you order
Does 90 / 110 mm refer to the inside or outside diameter?
It refers to the enclosure tube’s outside diameter. Check the drawing for the remaining mounting dimensions.
Is this a complete two-piece clamp?
This product is a semicircular mounting half-ring. Check the retaining-ring interface and the hardware required by your enclosure assembly.






