1. It is usually used for these indoor rooms which need to maintain positive pressure, like as clean room, computer room and staircase with pressurized air supply, etc.. It can automatically control the positive pressure of indoor room.
2. It is self-weight control device of positive pressure and has these advantages, like as flexibly rotating, tight close, easy adjustment, elegant appearance and no energy consumption, etc.
3. The flange of front frame is made of aluminum alloy sections. The blade of damper is made of aluminum alloy sheet. The lever is made of aluminum alloy sections. The heavy hammer and rotation shaft are made of high-quality carbon structural steel. The bearing is made of brass material.
4. The back frame can be equipped with hole plate, plate net or single shutter air vent, etc. , but please definitely tell us which kind you need.
5. The surface is of original color of aluminum (silver white), but it can be changed to other color by spraying plastic 6. Specification and dimension: or paint according to client’s requirement.
6. Specification and dimension:
Model | Specification | Overall Dimension (mm) | Positive pressure control scope (Pa) | Air output (m/h) |
HY-FYY-1 | 400 x 150 | 409 x 209 | 4.91 - 29.43 | 115 - 600 |
HY-FYY-2 | 600 x 150 | 609 x 209 | 4.91 - 29.43 | 125 - 900 |
HY-FYY-3 | 820 x 170 | 829 x 229 | 4.91 - 29.43 | 360 - 1200 |