Description
The ALS Unframed Ventilation Grille range provides a robust, hygienic and ligature-resistant solution for secure environments.
Manufactured from 1.5mm 430 stainless steel, these grilles are designed to meet MOJ/STD/XSPEC/063 specifications, making them suitable for mental health facilities, custodial settings, and other safety-critical applications.
Key Features:
- Ligature-resistant design – secure and robust
- Made from durable 1.5mm 430 stainless steel
- Thermashield anti-microbial polyester powder coating (>99.9% kill rate against MRSA and E. coli)
- IP3X rated – prevents insertion of objects larger than 25mm
- Supplied with Torx Pin Head security fixings
- Anti-bacterial RAL 9003 white finish (other RAL colours available)
- 2.2mm ventilation holes, 5mm pitch
- Bespoke sizes available on request
- Recommended for use with anti-pick sealant (ANTIP110 White)
- Suitable for high secure mental health and custodial environments
Applications:
- Mental health facilities
- Custodial and justice settings
- Healthcare and bathroom areas
- Any environment requiring ligature-resistant ventilation
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 |
