2024 Author: Beatrice Philips | [email protected]. Last modified: 2024-01-18 12:09
Clamps for fixing air ducts in ventilation systems are always preferable to other methods of fixing. These are lightweight and durable products with high anti-corrosion properties. What they are and how to choose the right fasteners, we will consider in more detail.
Characteristic
Clamp - a type of fastening that guarantees a reliable connection of plastic and metal air ducts with surfaces of various structures, including walls and ceilings. Clamps differ in width and diameter, they are plastic and metal. In the second case, they are made from stainless steel, alloyed composition, galvanized steel.
As a rule, it is a steel strip with a thickness of 1-3 mm. The width of standard products up to 40 cm in size is 2.5 cm, if the clamp has a diameter of 40–160 cm, this parameter can reach 3 cm . The most popular are inexpensive but high-quality clamps with a diameter of 100 to 400 mm.
Specifications Duct clamps always include parameters such as the required diameter of the pipe crimp, the compression force, the material of manufacture and the device for fixing to the pipe.
In other words, the clamp must be strong and ensure complete tightness of the connection.
The clamp is the best way of fastening, and there are several reasons for this:
- mounting products have the simplest, but effective and wear-resistant fastening mechanism;
- due to its compactness, the clamp is easily installed and, if necessary, replaced;
- in fact, nothing is known about cases of spontaneous disconnection of the clamp.
We add that, in addition to reducing vibration, sound insulating properties and resistance to UV rays, rubberized fasteners are immune to critical temperatures and aggressive chemicals.
When purchased, complete with fasteners, accessories are supplied: bolts for fixing, a rubber gasket that prevents leakage, special strips that increase the strength of the connecting unit.
Views
Several types of clamps differ in their design, method of fixing, but there are also non-standard types of products.
We list two main groups
- Crimping tools - are made of a narrow steel strip, have a round shape, when fastened, they are bolted only on one side. They are used for hermetically sealed connection of air ducts with a circular cross-section, provide an insert for vibration damping. The wide crimp type of the piece ensures a strong connection in the case of a chimney installation.
- Mounting clamps are two semicircular metal strips, bolted together and equipped with a vibration-damping rubber insert. In turn, they are also subdivided into categories:
- device with a mechanism, adjustable distance between the channel and the wall;
- wall clamp without an adjusting device;
- mounting clip for spacers, the three parts of which are bolted together.
Thus, fasteners are fixed to the walls by means of a clamp, which in some cases can be adjusted … If you need to fix the pipe on the side surface, then two studs are used, in the case of a ceiling, you will need to prepare a threaded rod and an anchor.
However, when installing an air exchange system, other non-standard types of attachment devices are also used:
- a ventilation clamp equipped with a rubber profile and a self-tapping screw, the latter fixes the element to the ceiling and wall, is needed for the installation of ventilation and chimneys;
- nylon product, the main purpose of which is to secure corrugated pipes;
- for free suspension of air channels, the splinkler type of clamps is relevant - the height of the structure can be changed by means of a threaded stud;
- tape fasteners are applicable when working with flexible sections of the pipeline, it is produced mainly from stainless steel and has clamps from the same material;
- a product with a comb-nut welded to it, which allows you to suspend structures to different surfaces.
From so many fasteners, you can easily choose the right clamp, whether for vertical or horizontal fastening of air exchange systems.
Appointment
Basically, the clamp is necessary for mounting ventilation and fixing the pipe in a variety of (including inclined) positions . But, along with this, it is needed for tight joining of the duct fragments. If the clamp is equipped with a rubber gasket, it also reduces the vibration of the air exchange structure and the noise level by 10-15 dc. Moreover, there is no harmful chlorine in the composition of such a sound-insulating insert.
Comfortable and durable round duct clamps are necessary when installing main, conventional and suspended air exchange structures, but are also used in the installation of systems in private houses.
Specifically mounting hardware with a central location of fasteners are used only for horizontal type ducts and circular cross-section . But there are clamps with side fastening, which are additionally fixed with threaded parts - such clamps are suitable for vertical and horizontal connection of air pipes. Crimp models - parts for fixing individual parts of air ducts.
Installation of ventilation ducts occurs with additional use of such devices with clamps : rods, adjustable and non-adjustable suspensions, threaded studs, turnbuckles.
Selection rules
Clamps can be selected for different types of equipment horizontal and vertical fastening of the medium and high load air duct, the most important thing is to take into account some important parameters of such products (especially for round ventilation pipes):
- the required fastening width and thickness of the steel strip;
- product diameter (internal);
- the possibility of optimal crimping and tightening of fasteners;
- the level of load on the junction.
Fastening clamps are an important element of the ventilation system, and the duration and efficiency of the air exchange system depend on how well the clamp is selected.
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