Fire and smoke control valve (common type) structure smoke fire control valve (ordinary) main parts: body, valves, bushings, actuator. Fire dampers, spiral duct, electric air valve, valve actuators, Siemens valve actuators, valve selection and installation, valve manufacturers, valve legends, outlet valve, manual valve, pressure delivery valve; suitable for studio, hospitals, theaters, classrooms, concert halls, libraries, recreation hall, theater lounge, general offices, shops, hotels, restaurants, and gymnasium. 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, fire dampers price, flue damper installation requirements of a fire damper, norms based on 1 "GB50016-2006 architectural design code for fire protection" of the damper settings as follows: 10.3.12 one of the following conditions should be set on the ventilation duct, damper air conditioning system: a cross fire district office; 2 cross ventilation, air conditioning room walls and floor of the room; 3 through major fire hazard or a large room wall and floor office; ... 10.3.14 damper settings should meet the following requirements: 2 dampers should be set at the close fire separation; ... Second, the specification on the basis of two "Ventilation and Air Conditioning Engineering Construction Quality Quality Acceptance GB50243-2002" provisions of the damper settings are as follows: 6.2.5 dampers, exhaust valves (mouth) of the mounting direction, the position should be correct. Fire dampers on both sides of the partition wall wiring damper 280 degrees away from the wall surface should not exceed 200mm. Third, considering one, dampers of "fire district set position" and "distance of 200mm from the wall," requires 280 degrees damper thickness aware damper mounting position is determined; 2, space determines the size of the air-conditioned room whether the muffler can be installed in the air-conditioned room, of course, from the perspective of the muffler noise muffler placed in the air-conditioned room is ideal. 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 palace flue damper damper 280 degrees | 280 degrees damper settings | Hao Yang air conditioning (certified) provided by the Texas Air Conditioning Equipment Co., Ltd. Hao Yang. Air Conditioning Equipment Co., Texas Hao Yang (www.dzapjt.com) is specialized in the "fan coil units, air, mixed flow fan, FRP fans, dampers, air flow control valve" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr Zhu.