Henderson ventilation and air conditioning equipment _ _ guest exhaust fan exhaust fan is provided by Henderson air conditioning equipment. We are Texas Henderson Air Conditioning Equipment Co. (www.hxktsb.com) at: Shandong Dezhou specializes in: New air unit fresh air ventilator fan air pressure delivery outlet dampers chassis outlet Details: First, Characteristics and application PYHL-14A series exhaust fan using CAD software multi-objective optimization design, matching molded twisted conical rotor wing temperature exhaust fan performance parameters, built-in high-temperature motor, arranged a special motor cooling system. Selection of two-speed direct-drive motor exhaust fan, to one machine (ie, exhaust ventilation and fire usually sent when using high-temperature exhaust), the electrical control box can be disposed remote automatic control. High temperature performance, high pressure air volume ,,, easy installation, etc. fire temperature exhaust fan, is widely used in high-rise buildings, drying room, underground garage, subways, tunnels and other occasions, and sent fire and smoke exhaust ventilation. See machine temperature by GA211-1999 fire test methods exhaust fan can run at 400 ℃ for more than 100 minutes of continuous high temperature, medium temperature at 100 ℃ continuous operation 20 hours / times without damage, has been recognized by the use of the national metropolitan fire departments . Compact PYHL-14A single-speed fan Ⅰ type structure, save installation space. Type Ⅱ two-speed air inlet located at the outlet muffler collector, the fan running at low speeds lower exhaust noise. Products centrifugal exhaust fan fire inlet and radial impeller wheel cover unilateral import clearance should be uniform, unilateral radial clearance values ??should be within the range of 0.15% to 0.4% of the diameter of the impeller, the impeller inlet shaft cover the overlapping length should be 0.8% to 1.2% of the impeller diameter. Centrifugal exhaust fan at a predetermined flow rate, pressure values ??corresponding to the difference of ± 5%. Centrifugal fire exhaust fan in the use of A-type drive, you should set the insulation structure between the motor casing. Centrifugal exhaust fan fire inside and outside surfaces painted technical compliance JB / T6886's. Fans paint chosen delivery 280 ℃ after fan media, paint almost no discoloration. Fans and all rotating parts may have loose parts must be solid and reliable, and have anti-loosening measures. Transmission group, pulleys, couplings and other transmission parts should be installed rotating shields. Exhaust fan location of the project must be approved by the fire department equipment.