Loading the player...

# Use Youtube player (with Youtube AD) #<<<>>> # Use our player (Downlaod, Unblock & No Youtube AD) 再生できないときはここをクリック click hrer if failed to load 如无法播放请点击这里#

INFO:
Class 1 Division 2 identifies a hazardous location which flammable liquids, gases or vapors are: 1. Generally confined within closed containers or closed systems, but escape in case of accident or abnormal operating of equipment. 2. Prevented by positive mechanical ventilation. 3. Adjacent to a division 1 location.
Understanding Class 1 Division 2 HVAC - getExplosionProof