ISO 9001
SMACNA
Product Code: CEI-PG / PG-AL
Perforated Grilles
شبكات مثقبة
Perforated face grilles for low-velocity, uniform air distribution. Available in square, rectangular and custom shapes. Powder coated in any RAL colour. Suitable for clean rooms and offices.
Frame Material
Product Description
Castle Perforated Grilles feature a perforated faceplate for gentle, draft-free air diffusion — ideal for quiet environments like hospitals, libraries and conference rooms. Available in square, rectangular and custom shapes with various perforation patterns. The perforated panel provides uniform air distribution while maintaining a clean, modern aesthetic that blends with ceiling and wall finishes.
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Faceplate Material | Aluminium sheet 1.0 — 1.5mm thick | mm |
| Frame Material | Extruded aluminium alloy 6063-T5 | — |
| Perforation Pattern | Round holes — 3mm, 4mm, 5mm, 6mm diameter | mm |
| Open Area | 15% — 40% depending on pattern | % |
| Standard Sizes | 300×300 to 600×600 mm | mm |
| Custom Sizes | Up to 1200×600 mm | mm |
| Panel Types | Flat / Flanged / Hinged (for filter access) | — |
| Plenum Box | Optional — with neck adaptor for duct connection | — |
| Mounting | T-bar ceiling / Surface mount / Concealed fixing | — |
| Finish | Natural anodized / Powder coated / Custom RAL | — |
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.

