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KOOLAIR S.A
21-SVC/21-SVR

21-SVC/21-SVR

Product catalog summary

Product Overview
The document describes the KOOLAIR model 21-SVC and 21-SVR single deflection grilles designed for circular and rectangular ducts, respectively. These grilles are used for air supply or return and can include volume control dampers. They are available in steel sheet or any RAL color upon request.

Mounting
The grilles are mounted using screws, with pre-drilled holes provided for easy installation.

General Dimensions
Dimensions for the grilles are specified as L (Opening Length) and H (Opening Height). The document provides detailed measurements for both circular and rectangular duct applications.

Performance Specifications
The document includes a legend explaining key performance metrics such as air flow (Q), sound power level (LwA), total pressure loss (∆Pt), throw distance (X), and effective velocity (Vk). These metrics are crucial for assessing the grille's performance in different scenarios.

Selection Table
A selection table is provided, summarizing the dimensions and performance metrics for various grille sizes. It includes data on air flow, sound power level, pressure loss, throw distance, and velocity for different grille dimensions. The table indicates that other sizes are available upon request, and inquiries should be directed to the Sales Department.

Catalog excerpts

Single deflection grille for ducts 0 OF CIRCULAR DUCT H mm 75 125 175 Selection table Product description Single deflection grille for circular ducts, KOOLAIR, model 21-SVC, of dimensions LxH, for supplying or returning air. It can incorporate volume control dampers (-RFS-05/06). Finished in steel sheet or any RAL colour upon request. Other models 21-SVR. Single deflection grille for rectangular ducts,. Mounting With screws. The grille is provided with holes for screwing. General dimensions The Selection Table shows a summary of dimensions. Other sizes available. Consult the Sales Department. LEGEND Q (m3/h): Air flow. Lwa [dB(A)]: Sound power level. APt (Pa): Total pressure loss. X (m): Throw for a maximum velocity of 0.25 m/s at the occupied zone AT = -10 °C (cold), installed at 2.7 m of height, with ceiling effect. Vk (m/s): Effective velocity.

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