You are viewing content for United Kingdom.
Choose a country to see content for your location. Changing region will navigate you to the homepage.
CALM S18-600-V
Verified by manufacturer 6 days ago
A 600 mm chevron acoustic louvre which provides sound reduction with effective airflow.
Application
Suitable for use in plant rooms, cooling towers, substation and other high-noise areas.
Description
The Colt CALM S18‑600V is the highest performing acoustic louvre in the range, designed for maximum noise attenuation with airflow. Its 600 mm chevron blade profile, formed by combining two S18‑300 units, achieves Rw (C, Ctr) 31 (‑2, ‑8) when tested to BS EN ISO 10140‑2:2021, while maintaining aerodynamic efficiency (Cv 0.142). With a solid metal appearance front and rear, modular construction, robust galvanized steel, and finish options, it ensures flexibility, durability, and long service life.
Features and benefits:
- 600 mm chevron blade profile delivers maximum acoustic attenuation.
- Certified acoustic performance tested to BS EN ISO 10140‑2:2021.
- Modular design enables walls or runs in any required width or height.
- Pre‑punched fixing points allow safe, quick two‑person installation.
- Panel joining kits support longer spans with fewer structural supports.
- Integrates seamlessly with Colt UL systems; optional rear‑mounted screens.
General information
Color | Silver Other |
Finish | Galvanized Powder-coated |
Material | Steel |
Shape | Rectangle |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | H11/140 Louvres L10/490 Roof ventilators L10/650 Metal louvres |
SKU Code | S18-600-V |
Specification data - Louvre screen systems
Classification data | |
Screen framing | Galvanized steel sheet panels. |
Acoustic panels | |
Facing | Water-repellent, non-hygroscopic semi-rigid acoustic infill. |
Banked | |
First bank | 300 mm galvanized steel louvres. |
Second bank | 300 mm reversed, galvanized steel louvres. |
System accessories | Not required. Bird guard. Guidance for specification option: The use of any screen option requires applying a Cv correction factor of 0.95. Bird guard with insert mesh. Guidance for specification option: The use of any screen option requires applying a Cv correction factor of 0.95. Fly guard. Guidance for specification option: The use of any screen option requires applying a Cv correction factor of 0.95. Panel joining kits. COLT ventilators. |
Dimensions | Guidance for specification option: Insert requirements or drawing/ schedule reference. |
Finish/ Colour | Not required. Polyester powder-coated, RAL colour. Marine grade coatings. |
Acoustic performance | Rw (C, Ctr): 31(-2, -8). |
Performance | Cv: 0.142 (K=49.59). |
Sustainability data
Material | Steel |
Similar products from Colt International Ltd
CALM S18-150
CALM S18-300
CALM S18-300-V
Universal Louvre - 1UL
Universal Louvre - 2UL
Universal Louvre - 3UL