RD Round Diffussers are made of spunaluminium and finisheds with baked enavmel in any desired color as specified available with or without opposed blade volumn dampers.
Neck Size = Inches
Neck Area = Square Inches
Neck Velocity = Feet Per Minute
CFM = Cubic Feet Per Minute
SP = Static Pressure-inches of Water
RAD = Radius of Diffusion-Feet
Round Diffuser Performance Data | |||||||||||
Size | Neck Area | Neck Vel | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 |
6″ | 0.198 | CFM SP RAD | 80 0.04 3-5 | 92 0.05 3-5 | 120 0.07 3-6 | 140 0.09 3-6 | 160 0.10 3-7 | 175 0.13 3-8 | 198 0.15 4-8 | 220 0.18 4-8 | 240 0.22 5-9 |
8″ | 0.352 | CFM SP RAD | 142 0.06 3-5 | 178 0.07 3-6 | 215 0.08 3-7 | 250 0.11 4-7 | 282 0.13 4-8 | 318 0.15 4-9 | 352 0.19 5-10 | 386 0.23 5-10 | 422 0.28 6-12 |
10″ | 0.548 | CFM SP RAD | 220 0.06 3-6 | 278 0.07 4-8 | 329 0.09 4-8 | 385 0.11 4-9 | 437 0.15 4-9 | 491 0.18 4-10 | 548 0.21 5-10 | 610 0.25 5-12 | 655 0.28 6-12 |
12″ | 0.788 | CFM SP RAD | 315 0.07 5-11 | 398 0.08 6-14 | 472 0.10 7-14 | 552 0.13 6-12 | 631 0.18 8-16 | 710 0.20 8-17 | 786 0.26 9-18 | 866 0.31 9-19 | 942 0.39 10-20 |
14″ | 1.090 | CFM SP RAD | 429 0.07 7-15 | 536 0.08 7-15 | 643 0.11 8-17 | 750 0.14 9-19 | 857 0.18 10-22 | 965 0.21 10-22 | 1075 0.27 12-24 | 1178 0.33 12-26 | 1285 0.39 12-26 |
16″ | 1.450 | CFM SP RAD | 560 0.08 8-15 | 699 0.09 8-15 | 840 0.14 8-18 | 979 0.15 10-19 | 1120 0.19 10-22 | 1260 0.22 10-24 | 1398 0.25 10-25 | 1540 0.33 12-28 | 1678 0.40 12-28 |
18″ | 1.800 | CFM SP RAD | 710 0.10 8-15 | 885 0.11 8-16 | 1062 0.15 8-18 | 1236 0.16 10-20 | 1415 0.19 10-22 | 1590 0.21 12-24 | 1768 0.27 12-24 | 1945 0.35 14-30 | 2120 0.42 14-30 |