China High Quality Back Drought Shutter, Find details about China Shutter, Damper from High Quality Back Drought Shutter
1. Product information:
* The air conditioning shutter referred to as non-return damper is in conformity with European standard.
* It comes with frame made of 0.6mm thick high quality GI sheet.It's blades are made of aluminium sheet with thickness of 0.3mm,which allows for easy opening after a small supply of air volume.This is why this volume control damper is stainless
* The round shutter is applied to bread the supply and return air after the air equipment is turned off.The specially designed damper for air vloume control brings efficient smooth operation.
2. Features :
* Frame made of high quality GI sheet 0.6mm and blades made of aluminium sheet 0.3mm.
* It's used to break the supply and return air, after turn off the air equipments.
3. Item specification :
back draught damper | ||
standard sizes | D1 | D2 |
100 | 98 | 104 |
125 | 123 | 129 |
150 | 148 | 154 |
160 | 158 | 164 |
200 | 198 | 204 |
250 | 248 | 254 |
315 | 313 | 319 |