ISO 9001
SMACNA
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Product Code: CEI-SG / SG-AL
Shutter Grille
شبكة مصراع
Motorized or manual shutter grilles for on/off airflow control. Spring-return or electric actuator options. Used in zoned HVAC systems and smoke control applications.
Frame Material
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ISO 9001:2015SMACNADW144
Description
Product Description
Castle Shutter Grilles feature adjustable horizontal blades that can be opened or closed to control airflow volume and direction. Used in walls, ceilings and floors for supply or return air applications. The gang-operated blade mechanism allows synchronized adjustment of all blades from a single lever — providing precise airflow control without removing the grille.
Adjustable Airflow
Gang-operated horizontal blades allow precise control from fully closed to fully open.
Single Lever Control
All blades adjust simultaneously from one lever — no individual blade adjustment needed.
Dual Purpose
Functions as both supply and return air grille — with optional opposed blade damper for volume control.
Clean Appearance
Slim aluminium frame with concealed fixings — suits modern architectural finishes.
ISO 9001:2015 Certified
Quality management system certified by IGC, covering all stages from raw material to final delivery.
SMACNA & DW144 Compliant
Manufactured to the latest edition of SMACNA HVAC Duct Construction Standards and DW144.
Custom Sizes Available
Non-standard dimensions manufactured to project specifications with competitive lead times.
Approved by Leading Consultants
Accepted by Dar Al-Handasa, ECG, SYSTRA, Khatib & Alami and 25+ major engineering consultants.
Specifications
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Frame Material | Extruded aluminium alloy 6063-T5 | — |
| Blade Material | Extruded aluminium — adjustable horizontal type | — |
| Blade Operation | Gang-operated lever — all blades move simultaneously | — |
| Blade Angle | 0° (fully closed) to 90° (fully open) | degrees |
| Frame Depth | 25mm — 30mm | mm |
| Standard Sizes | 150×150 to 900×900 mm | mm |
| Custom Sizes | Up to 1200×1200 mm with central mullion | mm |
| Mounting | Surface mounted / Flush mounted | — |
| Finish | Natural anodized / Powder coated per RAL code | — |
| Free Area | 60 — 75% (fully open position) | % |
Applications
Fields of Application
Wall-mounted supply and return air
Ceiling return air grilles
Floor-mounted air transfer
Equipment room ventilation
Residential and commercial HVAC
Server room airflow management
Quality Assurance
Tests & Certificates
Duct Test
Rigorous leakage and pressure testing to SMACNA and DW144 standards.
Duct Test 01
Duct Test 02
Duct Test 03
Air Tests
Air velocity and distribution testing.
Air Test 01
Air Test 02
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