ERT200T Galvanised steel shut-off regulation dampers 200 mm pitch.
Description
Regulation dampers with blade movement by means of gears located outside the air flow and special gaskets on the blades, capable of guaranteeing tightness class 4 according to the EN 1751 Standard.
Characteristics
- 15/10 galvanised steel frame;
- galvanised steel honeycomb blades with special profile for housing gaskets, thickness 0.8+0.8 mm;
- blade pitch 200 mm;
- external levers to control the damper;
- bronze bushings;
- galvanised control pins ø18 mm;
- lateral seal with stainless steel plates and single seal on each blade.
- galvanised steel honeycomb blades with special profile for housing gaskets, thickness 0.8+0.8 mm;
- blade pitch 200 mm;
- external levers to control the damper;
- bronze bushings;
- galvanised control pins ø18 mm;
- lateral seal with stainless steel plates and single seal on each blade.
On request
- With manual control R12;
- AISI 304 version;
- electric servomotor.
- AISI 304 version;
- electric servomotor.
Dimensional characteristics
| L | N° Fori Ø 8 mm | X |
| 200 | 1 | 140 |
| 300 | 1 | 190 |
| 400 | 2 | 90 |
| 500 | 2 | 140 |
| 600 | 2 | 190 |
| 700 | 3 | 90 |
| 800 | 3 | 140 |
| 900 | 3 | 190 |
| 1000 | 4 | 90 |
| 1100 | 4 | 140 |
| 1200 | 4 | 190 |
| 1300 | 5 | 90 |
| 1400 | 5 | 140 |
| 1500 | 5 | 190 |
| H | N° Fori Ø 8 mm | Y |
| 210 | 0 | 0 |
| 410 | 1 | 205 |
| 610 | 1 | 305 |
| 810 | 2 | 255 |
| 1010 | 3 | 205 |
| 1210 | 3 | 305 |
| 1410 | 4 | 255 |
| 1610 | 5 | 205 |
| 1810 | 5 | 305 |
| 2010 | 6 | 255 |
Pressure drop and generated noise
V: crossing speed (m/s).
Δpt [Pa]: pressure drops in Pascal.
LwA [dB(A)]: noise level.
α: opening angle of the regulation damper, 0° the blades are fully open.
*Speed not recommended.
| Vk (m/s) | α 0° | α 30° | α 60° | |||
| Δpt [Pa] | LwA [dB(A)] | Δpt [Pa] | LwA [dB(A)] | Δpt [Pa] | LwA [dB(A)] | |
| 1 | < 5 | < 20 | 6 | 32 | 130 | 49 |
| 2 | < 5 | 23 | 23 | 49 | 520 | 69 |
| 3 | < 5 | 34 | 52 | 58 | 1185 | 16 |
| 4 | < 5 | 42 | 94 | 66 | 1350 | 83 |
| 5 | < 5 | 48 | 145 | 71 | > 1500* | 87 |
| 6 | < 5 | 53 | 215 | 75 | > 1500* | 92 |
Rotation torque required to open and close the damper
| Superficie [m2] | Servomotore | |
| CON ritorno a molla [Nm] | SENZA ritorno a molla [Nm] | |
| < 0,20 | 20 | 10 |
| < 1,50 | 30 | 20 |
| < 2,20 | 40 | 40 |
| < 3,00 | 60 | 40 |
| < 4,00 | - | 80 |
Price list
Manual control
| Descrizione | € |
| Comando manuale R12 perno ø 18mm | a.r. |
