Product introduction:
Positive pressure air door (Safety Damper) more than the pressure valve, it is mainly used for indoor positive pressure to maintain, clean room through pressure relief Damper in the weight more than clean room design requirements of the indoor pressure release, meet the demand of the cleanroom positive pressure, in order to achieve the requirements of customer production environment.

Product features:
* closed tight, sensitive reaction
* convenient adjustment, beautiful appearance
* don't energy
* discharge wind speed does not affect the indoor air condition
* material: the main body of the lacquer that bake and aluminum plate wind