How to Choose the Right Diameter of Hose Clamp

All our hose clamps come in a wide range of diameters, so it is important to choose the correct size. And even when you choose one, you will see that it offers a range.

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Here's how you ensure that you choose the right diameter hose clamp.

Firstly: measure the outside diameter of the hose after it has been slotted onto the end of the pipe. The fitting will almost certainly expand at this point, and it will be wider than before it was put on the pipe.

Secondly, once the outside diameter has been measured, check the dynamic range of the hose clamp to ensure that it can be tightened to the correct size. All our clamps give a smallest and largest diameter they fit to, and ideally you should choose the clamp where your diameter is in the middle of this range. If you are choosing between two sizes, choose the smaller clamp as it will compress the hose once put in place.

If it is not possible to choose the middle of the range, or the hose clamp you are considering has a narrow dynamic range, we recommend ordering samples of the nearest sizes (you can order one of any clamp on our website) and then test it first before ordering the full quantity.

When fitting HVAC or sanitary installations, there are a number of factors to take into account before deciding on the fixings that you need. For example, pipes will expand and contract due to temperature changes and therefore require suitable fixings. The pipe clamps are the first elements to tackle the forces generated from expansion in the total fixing system: via the clamp through the threaded rods and rail constructions up to the fixing into the ceiling or walls. Secure fixing of the pipe all starts by choosing the right clamp.

With the new and improved Light 2-Screw clamps it becomes easier to choose the right solution for your residential, public or industrial project. The design of the installation and the choice of pipe material dictate your pipe clamp requirements. Whether the pipe is steel, copper or plastic Walraven&#;s Light 2-Screw clamps offer a suitable solution.

The following factors need to be considered when selecting the right clamp for your needs. The Light 2-Screw clamp ranges have been designed with these considerations in mind. Here we tell you how the Light 2-Screw clamps are designed to deal with each variable:

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Temperature:
The standard temperature range of -30 up to + 120 °C, the pipe&#;s expansion is influenced by the temperature of the medium.

Maximum load:
All pipe clamps have been submitted to safe load tests. The specified maximum allowed loads (Fa,z), according to RAL-GZ 655/B, are calculated using specific statistical methods related to the breaking load and taking into account a deflection of 1.5mm or 2% of the maximum nominal clamp diameter.

Pipe material:
The pipe material will affect the severity of the reaction to temperature changes.  There are many types of plastic and metal pipe materials:  PE, PVC, PP, Steel, Copper, Cast Iron, etcetera. Each has, among other things, a different temperature resistance and also different resistance levels to chemicals such as oils, greases, acids, chlorine. This affects what type of clamp should be used. For example: The lined Walraven Bifix® G2 clamp should be used for plastic pipes. An unlined galvanized steel clamp should not be used to mount a copper pipe as it can lead to corrosion.

Size:
The inner side size of the clamp is based on the outer diameter of the pipe. Some of our clamps, like the Walraven Bifix® G2, allow the pipe to slide freely through the clamp in case of expansion/contraction due to temperature differences. By removing the distance washers from the clamp before mounting it you can also make the clamp suitable for tight fixing. Based on standard pipe diameters, the Walraven 2-screw clamps cover all pipe sizes up to 225mm.

Environment:
The environment into which your pipes will be installed affects the your choice of clamp. Internal? External? Exposed to severe weather in coastal environments? It is an important consideration and will more than likely require a pipe clamp with a special coating for corrosion resistance such as the Walraven Bifix® G2 range.

Special requirements:
Some construction projects can have special requirements such as noise insulation or fast installation needs. Many of the 2-Screw lined clamps have certified levels of sound insulation (DIN / -18dB(A)) as well as fast-fit features.

The best solution: talk to our experts!

Do you want more information about our pipe clamp range in general or about our new and improved Light 2-Screw clamps in particular? Or can we help you in determining and planning the most effective fixing system for your pipe installations? Please feel free to contact us to discuss this with our experts. Our technical engineers have many years of experience with technical challenges on pipe installations and are happy to advise you. Don&#;t hesitate to get in touch!

Contact our technical engineers

For more Quick release pipe clampsinformation, please contact us. We will provide professional answers.