How are the tubes connected to the couplings?
A tube can be connected to a coupling in 2 ways:
Stepped connection -> the tube fits into the coupling
The outer dimensions of the tube are one size smaller than the outer dimensions of the couplings.
Continuous connection -> the tube is placed against the coupling
In a continuous connection the outer dimensions of the tubes and the couplings are the same. A patented internal connection block ensures a solid connection of the pipe and the coupling.
Benefits of Topclamp tube sizes use:
· More accurate tolerances
· Beautiful radius on the corners
· Own profiles with additional functionality and flange profiles
· Option of thin-walled tubes
· More Topclamp parts that connect to the tubes
· Complete delivery from 1 company incl. Machining and coating
Advantages of sizes that are standard for the market:
· Order tubes with your own permanent (local) supplier
· Lower shipping costs when shipping inland and abroad due to smaller packaging
Topclamp is used in the following areas (among others):
· Shop and catering facility interiors
· Garden layout
· Trade fair stands
· Interior construction
· Advertising (frames, columns, cubes)
How can I calculate tube lengths?
The couplings for the Topclamp system are available in 3 tube sizes:
29.8mm, 38.4mm, and 47.1mm (outer dimensions)
Wall thickness of the 38.4 and 47.1mm couplings is 4mm.
Wall thickness of the 29.8 couplings is 3mm.
Wooden beam couplings are available in pipe sizes: 60mm, 70mm, 80mm and 100mm.
Wall thickness of the 60 and Wooden beam couplings is 4 mm.
Wall thickness of the 80 and 100mm Wooden beam couplings is 5mm.
All couplings are based on a multiple of the tube size.
Example with couplings of tube size 38.4mm:
For a ‘continuous’ construction you must subtract the coupling size concerned from the total length.
For a ‘stepped’ construction you must take account of the fact that part of the tube goes into the coupling.
For coupling 29.8mm = 18mm
For coupling 38.4mm = 25mm
For coupling 47.1mm = 35mm
At what lengths do the tubes start to sag?
Below some data indicating of thee stent to which tubes sag under their own weight.
These values are only an indication. Due to differences in tolerance the actual values may differ.
What material are the Topclamp couplings made of?
The Topclamp couplings and profiles are made of aluminium 6063T6.
This is a relatively light and strong material. The material is also relatively weather-proof and easy to weld.
In the open air near the sea we recommend an additional protective surface treatment to prevent corrosion.
What surface treatments are available for Topclamp?
The following surface treatments are available:
- Powder coating in RAL colour
- Anodising (clear and in colour)
- Nickel plating
In the photobook you can see a few examples of surface treatments: http://www.topclamp.com/topclamp_gallery
Where can I order Topclamp?
You can freely request a quote without any obligations through our Topclamp website, where our colleagues will help you with a technical drawing of your idea and to choose the right Topclamp products.
At the Metaalwinkel stores there are couplings and pipes on stock. You can pass by our branch in Rotterdam, Utrecht or Amsterdam to take a look at our couplings and pipes and if wished purchase them directly. Click here for more information about our dealers.
Do the prices stay the same for bulk purchases?
For smaller purchases the price is calculated by price per item excluding VAT/Tax. However, when a bulk request is made, a quote will be given, the price for bulk orders may vary from the price per piece on our website.
When making a Topclamp order it is important to see if you want to place the aluminum tubes in or against the coupling. When placing the tubes against the coupling you would need Topclamp connectors for your construction.
In addition, you can order long length pipes or customized pipes. When customizing pipes the additional cost is 1 euro per saw cut.
Other customization for your system such as surface treatment are all possible. The cost of this depends on your specific request. An example of this is the coating to RAL color. For a view on the costs you can contact us.