ISO 9001
SMACNA
Product Code: CEI-HF / HF-LSD
Hidden Flowbar & Frameless LSD
موزع مخفي بدون إطار
Concealed diffusers integrated invisibly into ceiling for premium interior applications. Zero visible frame — only a slim slot is visible. Ideal for luxury hotels, executive offices and high-end residential.
Frame Material
Product Description
Castle Hidden Flow Bar Linear Slot Diffuser is a concealed air distribution solution where the diffuser integrates invisibly into the ceiling or wall — only a narrow slot is visible. The internal flow bar mechanism directs and controls airflow while maintaining a completely clean, uninterrupted architectural surface. Ideal for premium interiors where visible HVAC elements are unacceptable.
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Visible Element | Narrow slot 10mm — 20mm wide only | mm |
| Internal Mechanism | Hidden flow bar with adjustable deflection | — |
| Bar Material | Extruded aluminium alloy 6063-T5 | — |
| Frame Material | Galvanized steel / Aluminium plenum | — |
| Slot Configurations | 1-slot / 2-slot / 3-slot / 4-slot | — |
| Standard Lengths | Up to 2400mm per section | mm |
| Continuous Runs | Unlimited with flush connectors | — |
| Plenum Box | Integrated — insulated with damper | — |
| Ceiling Integration | Drywall / Plaster / Timber bulkhead | — |
| Mounting | Concealed within ceiling or wall void | — |
| Finish | Black slot edge (standard) / Custom to match ceiling | — |
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.
