Mechanical running test fire smoke in the work book fan speed continuous operation benevolence confusion, bearing temperature stable after 20min, bearing m l and vibration measurement. not more than a liter is good quality 4nC Which exhaust fan, vibration and seized 99 m values ??should be consistent with the relevant provisions of 7Bfr 96V. Aerodynamic performance test aerodynamic performance test fire exhaust fan in accordance with the provisions GB + T 1236 will be. Acoustic noise measurement test methods according to CB / r 2888 requirements. Noise limits shall comply 7BIT 8690's. HTF series axial exhaust fan fire Description: one, HTF series axial exhaust fan fire HTF series is an overview of the company based on market demand, to learn the advanced design technology developed products at home and abroad, the product has a high efficiency , high temperature, good performance, small size, light weight, easy installation and maintenance. Two, HZF series axial exhaust fan fire characteristics of the main components of the product manufactured with high-quality profiles, rotor balancing machine through precision balancing test. The product is direct drive motor, the motor can be equipped with special high-temperature single-speed or two-speed two different speed, stable operation safe and reliable. The product is an excellent high temperature performance, the national fixed fire extinguishing systems and fire Component Quality Supervision and Inspection Center, at medium temperature of 280 ℃ under high temperature after 30 minutes test, in normal operation, in line with GBJ45-82 fire code standards. Three, HTF series axial exhaust fan fire the product is suitable for use in high-rise buildings, civil exhaust fan manufacturers, such as office buildings, hotels, airports, subways, shopping malls, warehouses, schools, theaters, underground parking and other fire row smoke ventilation. Four, HTF series axial exhaust fan fire performance and models illustrate the performance of the product to full pressure, air flow, speed, noise and other parameters, said each type of fan performance parameters are at medium temperature 20 ℃, the density of 1.2Kg Parameters exhaust fan / m3 state, according to the selection of reference for the performance table, the selection of suitable products. HTF-I, HTF-II said pressure axial flow exhaust fan fire, axial flow impeller. Hongxin air-conditioning equipment, exhaust fan [manufacturers], exhaust fan is provided by Horizon Air conditioning equipment. Looking for "new air unit fresh air ventilator fan air pressure delivery outlet damper chassis outlet. .. ..." Reliable supplier network operators choose to have the whole alliance certification: Texas Horizon Air Conditioning Equipment Co., Ltd. (www.hxktsb . com), trustworthiness and reliability, "Business League call" on the page now click on live chat with us now!