Mechanical exhaust system exhaust port, exhaust valves and smoke damper settings should meet the following requirements: 1 exhaust port or exhaust valves should smoke partition settings. Exhaust port or exhaust valves and exhaust fan should fire chain outlet damper 280 degrees, when any one exhaust port or exhaust valve opens, exhaust fan should be able to start their own; two exhaust port or exhaust valves usually is off, you should set up manual and automatic opening device; 3 exhaust port should be set on the ceiling or wall near the ceiling, and with nearby safe exit direction along the walkway between the edges of adjacent minimum horizontal distance of not less than 1.5m . Located on the roof of the exhaust port, or combustible materials away from combustible components of the distance of not less than 1.0m; 4 underground mechanical exhaust system, semi-underground places, in addition to dance Movies Entertainment venues and building area of ??more than 50m2 room outside Multi-page outlet damper, smoke evacuation port can be set up in the aisle; exhaust port 5 smoke partition farthest point away from the level should not exceed 30.0m; should be set on the exhaust manifolds when the flue gas temperature over 280 ℃ can turn itself off when the smoke damper; 6 exhaust port of the wind speed of not more than 10m / s. Fire dampers, spiral duct, electric air valve, valve actuators, valve actuators price, selection and installation of valve, valve manufacturers, valve legends, outlet valve, manual valve, pressure delivery valve row smoke dampers, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, fire dampers pictures, damper installation location, wiring diagram 280 degrees dampers, exhaust fans, diffusers, dampers, are pressure blower, air flow control valve, damper prices, flue damper, Air Conditioning Equipment Co., Texas Hao Yang how to install ventilation pipe design dampers? How to install exhaust pipe design dampers? Below ventilation should be provided on the exhaust duct damper system: a cross fire district office; Texas cheapest factory dampers 2 through ventilation, air conditioning bath room walls and floor at the distance; damper brand recommended three shuttle needs of lightning or fire death of a large partition walls and floor of the room; Texas damper manufacturers call four shuttle Deformation at bilateral; 150 degrees on the eye pipe damper uses five levels of vertical wind pipe and duct each junction , confessed at the level of the duct and the vertical duct partition without setting fire dampers. Smoke damper, fire control valve, 70-degree fire dampers, exhaust valves, dampers works, fire dampers pictures, damper installation location, wiring diagram 280 degrees dampers, exhaust fans, diffusers, dampers, positive blower, air flow control valve, damper prices, flue damper, Air Conditioning Equipment Co., Texas Hao Yang leafy exhaust port damper | GuanXian damper | Hao Yang air conditioning equipment provided by the Texas Air Conditioning Equipment Co., Ltd. Hao Yang . Air Conditioning Equipment Co., Texas Hao Yang (www.dzapjt.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hao Yang air conditioning and you hand into the brilliant, for a better future!