Adjustable support
Holding performance depends on construction, unsupported length, load and bend configuration. Diameter alone does not establish load capacity.
POSITIONABLE SUPPORT
Gooseneck Tubes
Bendable support tubes hold adjustable fixtures in position. Tube geometry and end connections must be specified around the supported load and movement.
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PRODUCT OVERVIEW
Position the fixture. Define the load.
Define end connections
Provide a drawing for threaded ends, mounting seats or custom interfaces. State whether cables must pass through the bore.
Validate the working position
Approve a sample with the actual load and orientation. Specify the movement required and expected adjustment frequency.
What should I include in an enquiry?
Include the load, lever arm, finished tube length, inside and outside diameters, end fittings and finish.
How do I request a custom specification?
Send the drawing or sample, required material, dimensions, quantity and installation conditions. We confirm the quotation, sample and applicable documentation before production.
APPLICATIONS
Where it fits
Adjustable lamps, inspection fixtures, microphones and instrument supports.
SELECTION
Specify the complete product
Specify inside and outside diameter, finished length, end fittings and holding performance. Diameter alone does not define load capacity or positioning life.
DIMENSIONAL SELECTION
Product specifications
| Reference model | ID (mm) | OD (mm) | Enquiry |
|---|---|---|---|
| CD-5 | 1.5 | 5 | Select size |
| CD-6 | 2.8 | 6 | Select size |
| CD-7 | 3.5 | 7 | Select size |
| CD-9 | 4.5 | 9 | Select size |
| CD-10 | 5 | 10 | Select size |
| CD-11 | 5.5 | 11 | Select size |
| CD-13 | 6.5 | 13 | Select size |
| CD-15 | 8 | 15 | Select size |
| CD-20 | 10 | 20 | Select size |
| CD-22 | 12 | 22 | Select size |
CD dimensional reference from Hagitec. CD-13 checked on 7 October 2026. These references do not establish DUCHUANG model equivalence or holding performance; confirm the quoted assembly drawing.
SELECTION DRAWING
Gooseneck — engineering details
L: developed tube length; OD/ID: tube envelope/bore; A/B: end interfaces; F: applied load. Selection schematic; not a production drawing.
