EDRF - EDRFQ Fixed Geometry Diffusers
Description
Fixed geometry diffusers with high induction.
Features
Material: steel plate with sharp edges.
Finish: painted RAL 9010.
Installation: secured with screws to the diffuser neck.
Use
Diffuser suitable for installation heights between 2.5 and 4 m.
Models
- EDRF: high induction diffusers with fixed deflector blades on circular panel;
- EDRFQ: high induction diffusers with fixed deflector blades on square panel or on 595x595 for installation on 600x600 false ceilings.
Accessories
- EPZ-DC - Galvanised Plenum Box;
- EPI-DC - Insulated Plenum Box;
- EPZ-DCS - Galvanised Plenum Box with Damper;
- EPI-DCS - Insulated Plenum Box with Damper;
- EDRF-EQ - Fitting with Equaliser.
EDRF - Dimensions
All dimensions are expressed in mm.
Technical Drawing Diameter ØD ØL1 ØC P1 
125 122 171 28 55 160 157 214 50 55 200 197 264 50 55 250 247 326 65 55 315 312 404 87 55 400 397 500 87 55
EDRF-Q Dimensions
All EDRFQ diffuser sizes are available with an L2 × L2 dimension of 595 × 595 mm, making them suitable for installation in modular suspended ceilings.
Technical Drawing Diameter ØD1 L2xL2 ØC1 P2 
125 122 171x171 28 55 160 157 214x214 50 55 200 197 264x264 50 55 250 247 326x326 65 55 315 312 404x404 87 55 400 397 500x500 87 55
Operating Data
- Vk: effective speed (m/s).
- m³/h: flow rate.
- Pa: pressure drops in Pascal.
- L(m): air throw in metres calculated on ceiling installation, terminal velocity 0.25 m/s.
- dB(A): noise level (without equaliser).
| Model | Effective Section | Vk m/s | 1,0 | 1,2 | 1,4 | 1,6 | 1,8 | 2,0 | 2,4 | 2,8 | 3,2 | 3,6 | 4,0 | Recommended (m3/h) | |
| m² | MIN | MAX | |||||||||||||
| 125 | 0,0091 | m3/h | 32 | 39 | 45 | 52 | 58 | 65 | 78 | 91 | 104 | 117 | 130 | 40 | 90 |
| Pa (with equalizer) | 5 | 7 | 9 | 12 | 15 | 19 | 27 | 37 | 48 | 61 | 75 | ||||
| Pa (without equalizer) | 7 | 10 | 13 | 18 | 22 | 28 | 40 | 55 | 72 | 92 | 114 | ||||
| L(m) | 1,5 | 1,6 | 1,7 | 1,8 | 1,9 | 2 | 2,3 | 2,4 | 2,6 | 2,7 | 2,9 | ||||
| dB(A) | <20 | <20 | 23 | 28 | 31 | 34 | 40 | 45 | 49 | 52 | 75 | ||||
| 160 | 0,0146 | m3/h | 54 | 65 | 76 | 86 | 97 | 108 | 130 | 151 | 173 | 194 | 216 | 50 | 120 |
| Pa (with equalizer) | 5 | 7 | 10 | 13 | 16 | 20 | 29 | 40 | 52 | 65 | 81 | ||||
| Pa (without equalizer) | 7 | 10 | 14 | 19 | 23 | 29 | 42 | 59 | 77 | 97 | 120 | ||||
| L(m) | 1,6 | 1,8 | 1,9 | 2 | 2,1 | 2,2 | 2,5 | 2,7 | 2,8 | 3 | 3,1 | ||||
| dB(A) | <20 | 25 | 30 | 34 | 38 | 42 | 48 | 53 | 57 | 64 | 66 | ||||
| 200 | 0,0225 | m3/h | 79 | 95 | 111 | 127 | 143 | 158 | 190 | 222 | 253 | 285 | 317 | 90 | 210 |
| Pa (with equalizer) | 5 | 6 | 9 | 11 | 15 | 17 | 25 | 35 | 45 | 57 | 71 | ||||
| Pa (without equalizer) | 7 | 9 | 13 | 16 | 21 | 25 | 37 | 51 | 66 | 84 | 105 | ||||
| L(m) | 1,6 | 1,8 | 1,9 | 2 | 2,2 | 2,3 | 2,5 | 2,7 | 2,8 | 3 | 3,2 | ||||
| dB(A) | <20 | 22 | 26 | 30 | 34 | 37 | 42 | 47 | 51 | 54 | 57 | ||||
| 250 | 0,0345 | m3/h | 122 | 147 | 171 | 196 | 220 | 245 | 294 | 343 | 392 | 441 | 490 | 130 | 310 |
| Pa (with equalizer) | 5 | 5 | 6 | 8 | 10 | 13 | 19 | 25 | 33 | 42 | 52 | ||||
| Pa (without equalizer) | 7 | 8 | 10 | 13 | 16 | 21 | 30 | 40 | 53 | 68 | 85 | ||||
| L(m) | 1,9 | 2,1 | 2,3 | 2,5 | 2,6 | 2,7 | 3 | 3,2 | 3,4 | 3,6 | 3,8 | ||||
| dB(A) | <20 | 23 | 27 | 31 | 35 | 38 | 43 | 48 | 51 | 55 | 58 | ||||
| 315 | 0,0536 | m3/h | 194 | 233 | 272 | 311 | 350 | 389 | 467 | 544 | 622 | 700 | 778 | 250 | 520 |
| Pa (with equalizer) | 5 | 5 | 7 | 9 | 11 | 14 | 21 | 28 | 37 | 47 | 58 | ||||
| Pa (without equalizer) | 7 | 8 | 11 | 14 | 17 | 22 | 32 | 43 | 57 | 73 | 90 | ||||
| L(m) | 2 | 2,3 | 2,4 | 2,6 | 2,7 | 2,9 | 3,1 | 3,3 | 3,6 | 3,7 | 3,9 | ||||
| dB(A) | <20 | <20 | 22 | 27 | 31 | 35 | 41 | 47 | 51 | 55 | 59 | ||||
| 400 | 0,0847 | m3/h | 306 | 367 | 428 | 490 | 551 | 612 | 734 | 857 | 979 | 1102 | 1224 | 420 | 890 |
| Pa (with equalizer) | 5 | 5 | 7 | 9 | 11 | 13 | 19 | 26 | 35 | 44 | 54 | ||||
| Pa (without equalizer) | 7 | 7 | 10 | 13 | 17 | 20 | 29 | 40 | 54 | 69 | 85 | ||||
| L(m) | 2,3 | 2,5 | 2,7 | 2,9 | 3 | 3,1 | 3,4 | 3,7 | 3,9 | 4,1 | 4,3 | ||||
| dB(A) | <20 | <20 | <20 | 24 | 28 | 32 | 38 | 44 | 48 | 52 | 56 | ||||
EDRF-EQ - Equalizer
Photo Description 
Circular galvanized steel connection spigot complete with a micro-perforated balancing damper for airflow regulation and uniform distribution. Its profiled construction and side mounting brackets ensure quick, secure, and stable attachment to the diffuser.
EPZ-DC - EPI-DC - Plenum Box
All measurements are expressed in mm.
Technical Drawing DiameterDiameter L H P Ø A2 Diffuser Ø B2 Duct - Flexible or Rigid C2 D2 
125 200 200 200 127 125 70 100 160 250 250 250 162 155 70 100 200 300 300 300 202 195 70 100 250 350 350 350 252 245 70 100 315 400 400 400 317 310 70 100 400 500 500 500 402 395 70 100
Price List
Model EDRF EDRFQ - Diffuser on square panel EDRFQ - Diffuser on square panel 595x595 mm EDRF-EQ - Fitting with Equaliser EPZ-DC - Galvanised Plenum Box EPI-DC - Insulated Plenum Box EPZ-DCS - Plenum Box with Damper EPI-DCS - Insulated Plenum Box with Damper € € € € € € € € 125 42,17 38,59 104,84 49,85 59,03 87,29 78,46 99,87 160 51,27 46,88 113,12 51,88 65,67 88,68 86,96 110,78 200 66,70 60,90 127,12 67,32 74,73 100,47 96,40 122,97 250 80,41 73,36 140,37 81,92 99,39 128,93 121,62 152,03 315 99,50 90,73 156,90 94,41 111,86 145,19 140,60 175,05 400 140,69 126,51 192,74 114,93 148,15 190,67 178,37 222,05
