Note: All Smith Permanent stock sizes are 1/2″ under on width and height, 1/8″ under on thickness.
Multiple layers of expanded Galvanized Steel, enclosed in a heavy weight Galvanized Steel frame. Designed for air applications such as make up air roof top units in industrial, commercial, schools, and office buildings where a heavy weight washable filter is recommended. They can also be used as pre filters, which would remove large particles that easily clog a filter. Pre filters keep the main filter lasting longer and the unit running more smoothly.
CONSTRUCTION: The Steel Smith Filter is a heavyweight galvanized steel filter. Made with multiple layers of heavy expanded galvanized steel, the pad is rugged, holding up to the tough filtering jobs. This unique patented media allows for a greater accumulation of dirt and dust particles. The frame is made from heavy galvanized steel, riveted in one corner to hold the pad in place. This unique filter is designed for air applications that require extra strength and can withstand strong cleaning solutions needed for cleaning extra heavy dirt/grease loads. The maximum temperature range for the Steel Smith Filter is 450 degrees F. Available in both stock and special sizes.
PERFORMANCE: Filters shall retain 240 grams of grease or 300 grams of dust per 400 sq. inches of filter area Resistance when clean is .075 w.g. at 350 F.P.M. air velocity.
MATERIAL: Filtering element shall be processed from Galvanized Steel, commercially known as Hot Dip Galvanized, 28 gauge in thickness expanded through .032 feed. Frame shall be made from 24 gauge Hot Dip Galvanized Steel.
| STOCK SIZE FILTERS | ||
| STOCK SIZE (Actual Size 1/2″ under) | STOCK # | Pack Ctn/ Lbs. Ctn |
| 16 x 20 x 1 | ST16201N | 12 /55 lbs. |
| 16 x 25 x 1 | ST16251N | 12 /72 lbs. |
| 20 x 20 x 1 | ST20201N | 12 /72 lbs. |
| 20 x 25 x 1 | ST20251N | 12 /90 lbs. |
| 24 x 24 x 1 | ST24241N | 12 /104 lbs. |
| 10 x 20 x 2 | ST10202N | 12 /44 lbs. |
| 12 x 24 x 2 | ST12242N | 12 /63 lbs. |
| 16 x 20 x 2 | ST16202N | 12 /70 lbs. |
| 16 x 25 x 2 | ST16252N | 12 /93 lbs. |
| 20 x 20 x 2 | ST20202N | 12 /93 lbs. |
| 20 x 25 x 2 | ST20252N | 12 /107 lbs. |
| 24 x 24 x 2 | ST24242N | 12 /122 lbs. |
| Net Face Velocity F.P.M. | Resistance in Inches of W.G. nominal thickness | C.F.M. Capacity by Size | ||||||
| 1 Inch | 2 Inch | 10×20 | 16×20 | 16×25 | 20×20 | 20×25 | 24×24 | |
| 267 | 0.057 | 0.030 | 282 | 467 | 597 | 600 | 768 | 897 |
| 356 | 0.100 | 0.057 | 376 | 623 | 796 | 800 | 1024 | 1197 |
| 445 | 0.158 | 0.087 | 469 | 779 | 995 | 1000 | 1279 | 1496 |
| 533 | 0.240 | 0.128 | 562 | 933 | 1192 | 1200 | 1532 | 1791 |
| 622 | 0.340 | 0.190 | 656 | 1089 | 1391 | 1400 | 1788 | 2091 |
| 711 | 0.447 | 0.244 | 750 | 1244 | 1590 | 1600 | 2044 | 2390 |
| 800 | 0.570 | 0.305 | 844 | 1400 | 1789 | 1800 | 2300 | 2689 |
| 889 | 0.700 | 0.379 | 938 | 1556 | 1988 | 2000 | 2556 | 2988 |
| 978 | 0.466 | 1032 | 1712 | 2187 | 2200 | 2812 | 3287 | |
Request A Quote
To request a quote, please fill out the form below
or call us at (800) 447-4009