Remote control exhaust valves usually was normally closed, smoke is sent to the control center when the fire by electric signal (DC24V), the solenoid is energized action remote smoke damper, valve actuators automatically open inside, and open the electrical signal output . The valve can be opened manually distance. Remote valve operation after manual reset. Long Product Name: smoke fire control valve and input dc24v electric signal, the electromagnet action air dampers remote control smoke damper, the valve automatically closes. · 70 ℃ temperature sensor operation, the valve automatically closes. · Manually shut down. Output interlock closing signal or control signal. · Manually adjust blade angle, five-speed adjustment amount of wind. · Operating voltage: dc24v + 10%, - 15%. · Working current: ≤0.3a. · Temperature sensor is 70 ℃ fusible sheet. Such as the use of shape memory alloy 70 ℃ temperature sensor 70 degrees smoke damper, please indicate when designing and ordering. · Leakage Rate: meet the national standard (see test report). Insulation resistance:> 20m refractory time> 90min · corrosion resistance and reliability of the national movement. The company's main products are: 1, FP series of fan-coil ----- machine and scroll, the wind round, the overall condensed water, etc. accessories. 2, ZK series of modular air-conditioning unit, BFP series VAV units, the new wind generating units. 3, FK series aluminum alloy outlet, casual flow; DUP series of spherical vents, DUT series of spherical adjustable outlet, VDP series cyclone outlet, BLP series changed manifold outlet. 4, fire dampers, exhaust valves, fire control valve, exhaust port, outlet, air flow control valve, damper actuator valve actuator. 5, hook vibration, shock absorber damping, and other equipment. 6, various types of muffler, bend muffler, silencer duct, plenum chamber muffler blinds. 7, the fire temperature exhaust fan, Francis fan, fire ventilation dual tank centrifugal fans, axial fans, induced fan, ramps flow fan, the wind chassis and other products. 8, energy efficient new wind ventilators, dust purification equipment. 9, the major air conditioning manufacturers supporting a variety of table cold, heaters, humidifiers, air curtain, air curtain, air conditioning flaps and other accessories. 280 ° smoke damper smoke fire damper _ _ Anhui Chuzhou smoke damper by Shandong Air Conditioning Equipment Co. GREAT fan. Shandong GREAT Fan Air Conditioning Equipment Co. (www.greatfengji.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. GREAT leadership in the staff warmly welcome all inquiries negotiations to create a better future GREAT.