| Specification | AL3 | AL6 |
|---|---|---|
| Frame | 3 in. (76 mm) deep, 6063T5 extruded aluminum with 0.062 in. (1.6 mm) nominal wall thickness | 6 in. (152 mm) deep, 6063T5 extruded aluminum with 0.125 in. (3.2 mm) nominal wall thickness |
| Airflow Measurement Pickups | adds 1 in. (25.4 mm) depth to the louver’s frame | |
| Blades1 | 6063T5 extruded aluminum with 0.040 in. (1 mm) nominal wall thickness. | 6063T5 extruded aluminum with 0.081 in. (2.1 mm) nominal wall thickness. |
| Sensor Blade | 6063T5 extruded aluminum, clear anodized finish | |
| Sensor Port Fittings | brass | |
| Pressure Transducer | DMPR-RA001, 4 to 20 mA 2-wire, 0 to 5 VDC, or 0 to 10 VDC output (field selectable). Output signal is proportional to CFM. | |
| Extended Sill | 0.081 in. (2.1 mm) formed aluminum with end dams | |
| Finish | Mill | |
| Minimum Size | 12 in. w x 12 in. h (305 mm x 305 mm). | |
| Maximum Size |
48 in. w x 72 in. h (1,219 mm x 1,829 mm). Maximum ship section size is 48 in. w x 96 in. h (1,219 mm X 2,438 mm). Lifting lugs provided on louvers 48 in. x 72 in. and larger. Louvers larger than the maximum factory assembly size require field assembly of smaller sections. |
48 in. w x 72 in. h (1,219 mm X 1,829 mm). Maximum ship section size is 72 in. w x 72 in. h (1,829 mm X 1,829 mm). Lifting lugs provided on louvers 48 in. x 72 in. and larger. Louvers larger than the maximum factory assembly size require field assembly of smaller sections. |
| Free Area Velocity Requirements |
Minimum 275 FPM (1.4 m/s) Maximum 2,024 FPM (10.28 m/s) |
Minimum 345 FPM (1.8 m/s) Maximum 2,175 FPM (11.05 m/s) |
| Approximate Shipping Weight | 5 lb/sq. ft. (24 kg/m2) | 12 lb/sq. ft. (58.6 kg/m2). |
| Operating Temperature | -22 to 150ºF (-30 to 60ºC) | -22 to 150ºF (-30 to 60ºC) |
1 Blades are mounted vertically and
spaced approximately 1-1/2 in. (38 mm) center to center.