Baoji positive pressure blower roof of positive pressure blower SWF positive pressure blower Dickson air conditioning

Selection of positive pressure blower requires two parameters, the wind pressure to follow suit, generally in the factory catalog nominal pressure SWF positive pressure blower, at an altitude of zero means that the horizon Francis fan performance positive pressure blower, when the air density is 1.2, When a different altitude, the air density directly, low high-altitude air density, high-low-altitude air density, mixed flow fan under the same conditions, high air density, mixed flow fan pressure, low air density, the fan pressure is small, so when we When Francis fan selection must pay attention. Positive pressure blower & amp; also known as positive pressure air supply system. The positive pressure blower (Henderson ventilation) is a pointer to escape corridor air supply fan. It outdoor air pressure into the interior. When the building is on fire, it will produce a lot of smoke, carbon monoxide and other toxic gases and block the line of sight, through positive pressure blower to escape the fire stairs positive pressure air blower, indoor smoke can not reach the roof stair positive pressure blower, to the people create conditions for escape. Positive pressure blower generally installed on the building roof. Dry weather, wind, fire and more fire-prone this season. High-rise office and residential, you must install fire smoke exhaust system products, such as fire exhaust fan, fan pressure delivery help fire safety, smoke damper, through the exhaust pipe. Baoji positive pressure blower positive pressure blower _ _ Dickson Dickson air conditioning is provided by air conditioning. This information consists of: Dezhou letter ventilation and air conditioning plant (www.dxfengji666.com) provide, we are business alliance member, the integrity of the entire network certified suppliers. Feel free to contact us, contact: Wang