The provided technical sheet snippet references a round, not oval, Hublot. This creates a challenge, as the title promises information on a "Hublot Ovale E27 Joliette," which doesn't directly correspond to the data. Therefore, this article will address the discrepancy, explore the broader market of oval Hublots (assuming "Joliette" refers to a specific model or style), and delve into the characteristics and applications of various types of hublots, particularly focusing on those relevant to the provided information and the specified categories.
The technical sheet details a round, waterproof aluminum hublot (HVA20), grey in color, with a 204mm diameter and a round base. This provides a valuable baseline for understanding the construction and specifications of industrial-grade lighting fixtures. While not directly related to the "oval" aspect mentioned in the title, it offers insight into the materials, dimensions, and potential applications of similar products. This suggests the "Joliette" designation might be a model name with an oval design not yet documented in readily available technical sheets.
Let's break down the provided categories and explore the various types of hublots they represent:
1. Hublot Ovale Étanche (Waterproof Oval Hublot): This category represents a crucial aspect of industrial and outdoor lighting. Waterproof oval hublots are designed to withstand harsh environmental conditions, protecting internal components from moisture, dust, and other elements. The oval shape, unlike the round HVA20, offers a distinct aesthetic, potentially better suited for certain architectural styles or to complement specific lighting designs. Features of a high-quality waterproof oval hublot would include:
* IP Rating: A high Ingress Protection (IP) rating, such as IP65 or higher, indicating resistance to dust and water jets. This is essential for outdoor applications and environments with high humidity.
* Material: Durable materials like aluminum, stainless steel, or high-impact polycarbonate are common choices, ensuring longevity and resistance to corrosion.
* Gasket: A robust gasket is crucial for maintaining a waterproof seal, preventing water ingress even under pressure.
* Mounting: Secure mounting options are vital, ensuring the hublot remains firmly attached in all conditions. This might include threaded connections, clamps, or specialized brackets.
* Glass Type: Tempered or impact-resistant glass is often used to withstand potential damage from impacts or extreme weather conditions.
2. Grillagé (Mesh): This category refers to hublots with a mesh or perforated cover. The mesh provides protection against larger debris while still allowing for light diffusion. This is a common feature in applications where the risk of impact from objects is high or where better ventilation is required. The combination of an oval shape and a mesh cover could be particularly useful in situations demanding both aesthetic appeal and protection. Considerations for mesh hublots include:
* Mesh Size: The size of the mesh openings will determine the level of protection and the amount of light diffusion. Smaller openings offer greater protection but reduce light transmission.
* Material: The mesh material should be durable and resistant to corrosion, ideally matching the overall material of the hublot.
* Corrosion Resistance: In outdoor applications, corrosion resistance is paramount, especially in coastal or industrial environments.
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