Manual damper brands | Qitaihe manual dampers | GREAT fan

 1. The choice of the main control parameters for the damper specifications. 2. damper suitable for ventilation and air conditioning systems, in addition to public buildings damper kitchen hood systems, operating temperature of 150 ℃ outer damper model, general ventilation and air conditioning systems with fire dampers operating temperature of 70 ℃. 3. The damper is suitable for the pipe ventilation, air conditioning or exhaust system, the scope and application of the basic functions are shown in Table 1. 4. The selection of valve should pay attention to the function of the valve dampers offer, normally open or normally closed, automatically shut down on, manually shut down open, manual reset, signal output, remote control and other requirements. 5. If the valve and fan interaction should be used with double micro-switch device. 6. The body should be steel blade thickness of 2 ~ 6mm, the body of non-combustible material, rotating parts should be corrosion-resistant metallic material specification dampers and flexible rotation. Valve shell thickness not less than 2mm. Yi Rong parts in accordance with recognized standards of the fire department. PSK-02SFD multi-leaf smoke / outlet Features: usually normally closed, electric, manual opening. Output Enable signal. Manual reset closed. 280 ℃ temperature sensor operation, the valve is closed again. The use of thin body, reduce operating box size, increase the effective area of ??the ventilation exhaust. FYH-SFVD self-locking type smoke fire control valve features: 70 ℃ fuse action, automatically shut down. DC24V electrical signal input manually damper valves automatically shut down. Manually shut down. Close manual damper output signal production principle, interlocking air conditioning fan stops. Manual reset opening. Manually adjust the air flow. Adjusted closing torque, to ensure reliable operation of large-sized valves. PSK-BSD remote control multi-leaf smoke / outlet PYK-BSFD remote control multi-leaf smoke / outlet Features: usually normally closed, the control center DC24V power control valve to open. Remote manual open. Output signal manually open the damper brands, interlocking exhaust fan starts. Automatically shut down when the exhaust gas temperature reaches 280 ℃. Manual reset Close Our company is producing fire exhaust valve of one of the manufacturers of professional, since the market has been loved by the public, and now manufacturers sell low-cost fire exhaust valve 70 ° manual dampers are welcome. Main construction fire exhaust valve installation: 1. fire exhaust valves and fan, exhaust fan interlock. 2. The operation of the valve mechanism side should be not less than 200mm of clear space to facilitate maintenance. 3. The valve must be checked before installing the valve operating mechanism is intact, the action is flexible and effective. 4. fire exhaust duct segments valve should be installed in close proximity to the wall or floor, the fire dampers on both sides of the partition wall from the wall surface should not exceed 200mm, dampers on both sides of the pipeline in each 2.0m wide and insulation materials should be non-combustible material. Brand: Xin Thatta motor power: 20 (w) Voltage: DC24V (V) Current: 0.01 (A) Scope: smoke control system Stroke: 1000 Blade diameter: 1000 Speed: 1450 manual damper brands | Seven Taiwan River manual dampers | GREAT GREAT fan by fan Air Conditioning Equipment Co. Shandong. Shandong GREAT Fan Air Conditioning Equipment Co. (www.greatfengji.com) strong, credible, Shandong Texas fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead into the brilliant GREAT and you work for a better future!