Secret Jardin·Accessories
Secret Jardin Ø 250 mm – flexible ventilation sleeve
Réf. MANCH-250-SJ Secret Jardin
Secret Jardin Ø 250 mm – flexible ventilation sleeve
Duct Acier galvanisé et mousse Systèmes de ventilation…
Discover the flexible sleeve from Secret Jardin , ideal for connecting two ventilation elements in your indoor growing space (extractor, carbon filter, etc.)!
Diameter: 250mm
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Secret Jardin Ø 250 mm – flexible...
49,90 €
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Technical data sheet
Features detailed
| Type | Duct |
|---|---|
| Material | Acier galvanisé et mousse |
| Compatibility | Systèmes de ventilation 250mm (gaines aluminium, PVC, insonorisées) |
| Mylar density | Acier galvanisé, mousse |
| Diameter (mm) | 250 |
| Height (cm) | 25 |
| Sound insulation | Oui |
| Dimensions (mm) | 250mm |
| Length (cm) | 6 |
| Insulation | Étanchéité à l'air, réduction des vibrations |
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Frequently asked questions
Your questions
Hello, is this flexible ventilation sleeve of 250mm easy to install by yourself without special tools?
The 250 mm flexible ventilation sleeve is indeed designed to be easy to install by yourself, without special tools. You will simply need a standard screwdriver to tighten the provided clamps, which ensure a solid connection between the sleeve and the ducts or fans. This installation is accessible even to amateurs, as long as a few simple steps are followed to ensure good sealing and fastening.
Is this 250mm flexible sleeve compatible with standard extractors to ensure optimal ventilation while minimizing pressure losses?
The 250 mm flexible sleeve is perfectly compatible with most standard extractors that have a similar inlet diameter. It ensures a tight connection between the extractor and the duct, thus minimizing air leaks and improving overall flow. This flexibility also helps absorb vibrations and avoid sharp bends, which contributes to reducing pressure losses for more effective and quieter ventilation.
Is the flexible sleeve 250mm easy to install with a standard extractor hood? Does it fix well without air leaks?
The 250mm flexible sleeve is designed to easily fit a standard extractor hood. Thanks to its flexibility and the provided clamps, it secures firmly and effectively limits air leaks. However, it is essential to ensure that the diameter precisely matches that of your hood to guarantee a proper seal and simple installation.
Is a 250mm flexible collar compatible with a 250mm extraction?
A 250 mm flexible collar is indeed designed to be compatible with a 250 mm extraction, as their diameters match perfectly. This type of collar effectively connects elements like extractors or filters of the same diameter.
Just ensure that the alignment and configuration of your ducts allow for a stress-free connection.
What is the recommended maximum length for this 250mm flexible sleeve in a compact micro-culture setup?
The 250 mm flexible ventilation sleeve is mainly designed to connect two elements of your installation (extractor, filter, duct) without creating excessive distances.
For a compact micro-culture, it is advisable to limit its length to 30-50 cm maximum in order to reduce pressure losses and ensure good air flow. Beyond this, its effectiveness may decrease, even if no specific maximum length is formally indicated.
In summary, favor short connection uses to optimize your ventilation system.
What is the maximum length that this flexible ventilation sleeve with a 250mm diameter can support without risk of deformation or loss of aerodynamic efficiency?
The maximum length that a flexible ventilation sleeve with a 250 mm diameter can support without deformation or loss of efficiency mainly depends on several factors: the quality of the material (often reinforced aluminum with a steel spiral), the speed and pressure of the air flowing through it, and how it is installed. In practice, it is advisable to limit the length to avoid bends or sharp angles that can hinder airflow. A well-thought-out installation with adequate support ensures optimal lifespan and performance.
What is the maximum length that this flexible ventilation duct 250mm can support without compromising air flow and its efficiency in a multi-box installation?
For a 250 mm flexible ventilation duct, it is recommended not to exceed 5 to 6 meters per segment to maintain optimal air flow. Beyond that, the aerodynamic resistance increases, which reduces system efficiency, especially if your multi-box installation has several bends or branches.
Although lengths up to 10 meters are available, in this case it is preferable to adjust the power of the fan to compensate for the loss of flow.
In summary, favor short segments and limit the number of bends to ensure efficient ventilation and good air renewal.
What is the pressure loss in Pa for this flexible sleeve 250mm over 5m to estimate the impact on extraction consumption?
For a 250 mm diameter flexible ventilation sleeve with a length of 5 meters, the pressure loss is estimated to be around 3.25 Pa, or about 0.65 Pa/m. This value takes into account the roughness and flexibility of the duct, which increases resistance compared to a rigid duct.
This loss remains low and will have a very limited impact on the electrical consumption of your extractor, unless your installation already includes many constraints (other bends, significant lengths, clogged filters, etc.).
If you want to optimize your operation, also consider the quality and overall management of your ventilation system.
What is the air flow rate in m³ per hour of the 250mm flexible sleeve to optimize ventilation with minimum electrical consumption?
For a 250 mm flexible sleeve, an effective air flow rate generally lies between 860 to 1500 m³/h. To optimize ventilation while limiting electrical consumption, aiming for a flow rate close to 860 m³/h is a good compromise, ensuring good air circulation with moderate consumption. This flow rate is sufficient for most indoor installations and can be adjusted according to your needs using suitable control systems.
What type of fan is this flexible duct 250mm compatible with and what is its pressure and bending resistance level for use in indoor cultivation?
The Flexible Duct for Ventilation - 250mm is compatible with most standard extractors with an entry diameter of 250 mm. It effectively connects extractors and carbon filters in indoor cultivation setups.
Designed to absorb vibrations and avoid sharp bends, this duct promotes quieter ventilation and limits pressure loss. Although precise data on pressure and bending resistance is not available, it remains suitable for common use in indoor cultivation, providing a tight and flexible junction.
It is essential to check that the diameter perfectly matches your extractor to ensure a good seal and optimal installation.
What is the maximum resistance to temperature and chemicals of this 250mm flexible duct for ventilation?
The 250 mm flexible duct for ventilation can withstand temperatures up to 400°C for 1 to 2 hours, making it ideal for applications requiring high thermal resistance.
Regarding chemical resistance, it depends on the materials used (PE, PP, PPs, PVC, TPE), which generally offer good performance against many chemical agents. However, the exact resistance varies according to the chemical and the exact composition of the duct, and is not specifically provided for this model.
For optimal use, remember to choose the duct suitable for your specific chemical context.
Is the 250mm flexible sleeve easy to install and compatible with conventional ventilation systems?
The 250 mm flexible sleeve is indeed easy to install and compatible with most conventional ventilation systems. It simply attaches with the provided clamps, using a standard screwdriver, without the need for specific tools. Its flexibility allows for a tight joint with 250 mm extractors, limits vibrations, and improves airflow while reducing noise.
Does this 250mm flexible sleeve support elbows well without losing air flow?
The 250 mm flexible sleeve is designed to facilitate connections, even with moderate elbows, thanks to its great flexibility. However, to ensure good air flow, tight bends should be avoided and the length limited to around 30-50 cm. A sleeve that is too long or bent may reduce pressure and flow.
A careful installation, with good support to prevent deformation, is essential. For very pronounced elbows or many turns, it is better to opt for suitable rigid elbows in order to maintain optimal air flow.
In summary, this sleeve supports light to moderate elbows well, as long as it stays short and is properly installed.
Flexible sleeve 250mm compatible with all brands of filters and extractors? Easy to install indoors?
The flexible ventilation sleeve 250 mm is generally compatible with the majority of filters and extractors whose outlet diameter is also 250 mm. Its high flexibility facilitates adaptation to different models and configurations.
For indoor installation, this type of sleeve is appreciated for its flexibility, allowing for an easily achievable installation even in confined spaces. It can be easily fixed with hose clamps or suitable fasteners, making the installation accessible to everyone, including non-professionals.
Just make sure to verify that the diameter of your filter or extractor matches 250 mm to ensure perfect sealing and efficiency.
What is the standard length of this 250mm flexible sleeve, and can it be easily rolled for transport or storage?
The 250 mm ventilation flexible sleeve has a standard length generally between 30 and 50 cm, an ideal range to maintain good airflow while limiting pressure losses. This size ensures optimal efficiency without the risk of harmful deformation.
Furthermore, its design with flexible material, often a reinforced aluminum with steel spiral, allows it to be easily rolled for transport or storage. This flexibility greatly facilitates its handling and installation in various spaces, even restricted ones.
What is the exact length of the flexible ventilation sleeve 250mm and is it compatible with standard market extractors?
The flexible ventilation sleeve 250 mm has an inlet diameter of 250 mm, which allows it to be compatible with most standard extractors on the market of the same diameter. Regarding the length, it can vary depending on the models, generally between 160 mm and 250 mm. This range ensures a good balance between flexibility and efficiency for air flow, avoiding excessive pressure losses.
In summary, this flexible sleeve is perfectly suited for installation with a standard 250 mm extractor, and it is advisable to choose the length according to your installation, ideally between 16 and 25 cm for optimal performance.
What is the exact length of the flexible duct 250mm and is it compatible with all types of fans of the same diameter?
The flexible duct for ventilation with a diameter of 250 mm has a recommended length of about 30 to 50 cm to ensure optimal airflow and minimize pressure losses. This range also helps to avoid damaging the mechanical strength of the duct.
Regarding compatibility, it fits perfectly with most fans and extractors that have an entry of 250 mm, provided that the connection is well aligned and without tension. Therefore, it is not necessarily compatible with all models, but well with those that respect this diameter and careful installation.
What is the maximum flow rate that this flexible sleeve 250mm can support without compromising the static pressure of the ventilation system?
The 250 mm flexible sleeve supports a maximum flow rate of about 860 to 1500 m³/h without compromising the static pressure of the ventilation system. To ensure good efficiency, it is recommended to stay around 860 m³/h, which limits pressure losses related to the flexibility of the sleeve while optimizing air circulation.
Also, consider limiting the length of the sleeve to 30-50 cm to reduce pressure losses and maximize the overall performance of your system.
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