ISO 9001
SMACNA
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
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.
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) | % |
Fields of Application
Tests & Certificates
ISO Certification
International Quality Certifications



International Standards
SMACNA · DW144 · IGC · UL




Duct Test
Rigorous leakage and pressure testing to SMACNA and DW144 standards.



Air Tests
Air velocity and distribution testing.

