For more information PYHL-14A Francis fire temperature exhaust fan towards Cheng Fan Brand / model:? Towards Cheng Fan / PYHL-14A PYHL-14A Francis fire temperature exhaust fan should reach fans Category:?? Fire Discharge Smoke fans Product Name: PYHL-14A series mixed flow exhaust fan fire Views: 585 Performance Profile PYHL-14A Francis fire temperature exhaust fan is a fan HTF fire temperature derivative products, the fan inlet side is equipped with sets? flow muffler, this will help reduce the noise, and the product can operate normally at about 300 ℃ ambient temperature for 1 hour, this product can be used for dual exhaust ventilation, but also for ventilation, but also from the high-temperature exhaust and other double effect. Applies to tunnel underground garages, underground shopping malls, underground storage, advanced construction and other high-temperature exhaust, fire is the ideal accessory products, by design institutes and user choice. In case of fire, it can quickly exhaust fumes, to ensure safe access to personnel, is essential fire safety facilities. Fan impeller distorted meridional acceleration characteristic cone-shaped blade welded to the hub is made using flow lines flared inlet tube connected into a whole, built with guide vanes, with good air distribution, pressure is stable, is between axial a new fan and centrifugal fan between design, compact structure, small size, light weight, with a high pressure centrifugal fans, axial fan of big flow, high efficiency, energy saving, low noise, easy installation and so on.