Stainless Steel Ventilation Grille –
Countersunk holes in the flange for fixing with security screws (security screws supplied)
For providing individual cells with air ventilation, especially in areas requiring High Security installation.
Also known as Anti Ligature Grilles, Security Grilles, Prison Grilles.
Supply and Exhaust
Tested “Fit For Purpose”
High Security Installation
Product Code:
ALSVSS150 – 150 x 150mm
ALSVSS200 – 200 x 200mm
ALSVSS250 – 250 x 250mm
ALSVSS300 – 300 x 300mm
ALSVSS350 – 350 x 350mm
ALSVSS400 – 400 x 400mm
ALSVSS450 – 450 x 450mm
ALSVSS500 – 500 x 500mm
ALSVSS550 – 550 x 550mm
ALSVSS600 – 600 x 600mm
Bespoke sizes available on request
Size 1.2mm Steel 430 Stainless Steel Pressure Drop Free airspace Weight
| 150x150mm | ALSV150 | ALSVFSS150 | 46 I/s | 400 | 1.5 |
| 200x200mm | ALSV200 | ALSVFSS200 | 75 I/s | 625 | 1.8 |
| 250x250mm | ALSV250 | ALSVFSS250 | 115 I/s | 1225 | 1.9 |
| 300x300mm | ALSV300 | ALSVFSS300 | 170 I/s | 1600 | 2 |
| 350x350mm | ALSV350 | ALSVFSS350 | 234 I/s | 2025 | 2.5 |
| 400x400mm | ALSV400 | ALSVFSS400 | 310 I/s | 3600 | 3 |
| 450x450mm | ALSV450 | ALSVFSS450 | 396 I/s | 4225 | 3.5 |
| 500x500mm | ALSV500 | ALSVFSS500 | 493 I/s | 5625 | 4 |
| 550x550mm | ALSV550 | ALSVFSS550 | 598 I/s | 7225 | 5 |
| 600x600mm | ALSV600 | ALSVFSS600 | 715 I/s | 9025 | 5.5 |
