FAQ

 

How are the tubes connected to the couplings?

What is the difference between standard sizes and Topclamp tube sizes?

What can Topclamp be used for?

How can I calculate tube lengths?

At what lengths do the tubes start to sag?

What material are the Topclamp couplings made of?

What surface treatments are available for Topclamp?

Where can I order Topclamp?

Do the prices stay the same for bulk purchases? 

What do I have to take into account when ordering Topclamp parts?

 

 

 

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.

Watch the demonstration video. You can also connect round tubes with the same principle.

 

 

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What is the difference between standard sizes and Topclamp tube sizes?

 

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

 

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What can Topclamp be used for?

Topclamp is used in the following areas (among others):

·                Shop and catering facility interiors

·                Garden layout

·                Trade fair stands

·                Interior construction

·                Fencing

·                Advertising (frames, columns, cubes)

 

 

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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

  

 

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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.

Standard Topclamp tubes

Pipe size

Pipe length

Sag

23.3mm

2000mm

0.9mm

 

3000mm

4.2mm

 

4000mm

13.4mm

 

5000mm

32.3mm

 

6000mm

66.8mm

29.8mm

2000mm

0.6mm

 

3000mm

2.6mm

 

4000mm

7.8mm

 

5000mm

18.9mm

 

6000mm

39.2mm

38.4mm

2000mm

0.3mm

 

3000mm

1.5mm

 

4000mm

4.8mm

 

5000mm

11.6mm

 

6000mm

23.7mm

47.1mm

2000mm

0.3mm

 

3000mm

1mm

 

4000mm

3.2mm

 

5000mm

7.5mm

 

6000mm

15.5mm

Thin-walled Topclamp tubes

Pipe size

Pipe length

Sag

38.4mm

2000mm

0.3mm

 

3000mm

1.3mm

 

4000mm

4.1mm

 

5000mm

9.9mm

 

6000mm

20.1mm

47.1mm

2000mm

0.3mm

 

3000mm

0.9mm

 

4000mm

2.7mm

 

5000mm

6.4mm

 

6000mm

13.2mm

 

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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.

 

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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

-          Chroming

In the photobook you can see a few examples of surface treatments: http://www.topclamp.com/topclamp_gallery

 

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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.

www.metaalwinkel.nl

 

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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.

 

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What do I have to take into account when ordering Topclamp parts?

 

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.

 

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