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CFM PERCOOL
Ceiling Type Square Diffuser – SCD
SCD Supply diffusers provide non-smudging air distribution yet giving steady air flow touching the ceiling. Removeable snap-in cores provide easy installation and access to volumn damper. Available in 4,3,2,2-way corner and 1-way horizontal air diffusion patterns and also in square or rectanglar shape.
Square Diffusers Performance Data Model SCD | ||||||||||
Neck Velocity In Feet Per Minute | ||||||||||
Neck | Rating | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 | 1400 |
6″ x 6 “ 0.198 | CFM SP RAD | 79 0.06 3-5 | 95 0.08 3-6 | 120 0.10 4-6 | 135 0.12 4-6 | 160 0.14 4-6 | 175 0.18 5-7 | 192 0.20 5-7 | 240 0.25 6-8 | 285 0.35 6-8 |
8″ x 8″ 0.352 | CFM SP RAD | 140 0.04 4-6 | 170 0.06 5-8 | 210 0.08 5-8 | 250 0.12 5-8 | 285 0.14 5-9 | 320 0.18 6-10 | 350 0.20 6-10 | 422 0.25 7-11 | 490 0.40 8-13 |
10″ x 10″ 0.548 | CFM SP RAD | 217 0.07 5-9 | 280 0.10 5-9 | 325 0.14 6-11 | 385 0.24 6-11 | 440 0.25 7-13 | 495 0.32 7-13 | 550 0.35 8-14 | 658 0.55 9-16 | 770 0.75 12-18 |
12″ x 12″ 0.788 | CFM SP RAD | 316 0.06 6-10 | 395 0.10 6-10 | 475 0.12 6-12 | 560 0.20 6-12 | 630 0.22 7-14 | 710 0.28 7-15 | 780 0.35 10-18 | 940 0.55 13-21 | 1010 0.70 15-25 |
14″ x 14″ 1.09 | CFM SP RAD | 429 0.06 8-13 | 540 0.10 8-13 | 648 0.15 11-15 | 752 0.18 11-16 | 860 0.22 13-19 | 965 0.25 13-19 | 1080 0.35 18-23 | 1290 0.46 21-26 | 1540 0.62 24-28 |
16″ x 16″ 1.45 | CFM SP RAD | 565 0.08 10-14 | 710 0.10 10-14 | 850 0.16 13-17 | 990 0.20 14-18 | 1140 0.22 17-22 | 1360 0.32 18-22 | 1540 0.42 19-25 | 1685 0.65 22-29 | 1980 0.92 24-30 |
18″ x 18″ 1.80 | CFM SP RAD | 710 0.06 9-14 | 887 0.08 9-15 | 1065 0.12 12-18 | 1240 0.19 12-18 | 1420 0.24 17-24 | 1595 0.29 18-26 | 1775 0.36 20-28 | 2125 0.54 23-30 | 2480 0.75 26-32 |
20″ x 20″ 2.20 | CFM SP RAD | 885 0.06 11-17 | 1092 0.10 12-18 | 1310 0.14 14-20 | 1530 0.18 14-20 | 1845 0.16 15-22 | 2370 0.25 20-24 | 2635 0.33 22-30 | 3155 0.55 22-32 | 3685 0.72 24-26 |
22″ x 22″ 2.65 | CFM SP RAD | 1055 0.06 11-18 | 1318 0.09 12-18 | 1580 0.12 14-22 | 1845 0.16 15-22 | 2020 0.22 20-24 | 2370 0.25 20-24 | 2635 0.33 22-30 | 3155 0.55 22-32 | 3685 0.72 24-36 |
24″ x 24″ 3.21 | CFM SP RAD | 1255 0.06 12-18 | 1572 0.10 12-18 | 1885 0.14 16-22 | 2190 0.18 18-24 | 2520 0.22 21-29 | 2830 0.28 22-30 | 3142 0.30 24-32 | 3768 0.42 27-38 | 4392 0.56 30-40 |
28″ x 28″ 4.275 | CFM SP RAD | 1710 0.08 13-20 | 2140 0.10 13-22 | 2560 0.12 12-23 | 2995 0.16 14-24 | 3418 0.20 22-31 | 3850 0.25 27-36 | 4278 0.30 27-36 | 5130 0.40 30-40 | 5186 0.55 34-44 |
32″ x 32″ 5.62 | CFM SP RAD | 2240 0.04 14-22 | 2795 0.06 14-22 | 3352 0.08 18-25 | 3918 0.09 20-26 | 4475 0.10 23-32 | 5035 0.12 34-34 | 5598 0.14 28-39 | 6725 0.18 32-42 | 7836 0.22 35-48 |
36″ x 36″ 7.10 | CFM SP RAD | 2830 0.40 14-22 | 3538 0.05 15-24 | 4248 0.06 14-26 | 4950 0.08 20-26 | 5650 0.12 23-34 | 6368 0.14 30-40 | 7072 0.18 33-46 | 8485 0.20 33-46 | 9892 0.35 37-48 |