2. Smoke fire control valve, normally open electric pressure delivery outlet, 70 degrees closed, with 1, but more than a telecommunications signal input, remote control can eliminate the control room is closed, generally used for peacetime air, fire up a common air duct the system can be controlled fire off unneeded air make room; 3. normally open type smoke damper, 280 degrees fuse closed, normally open, output electrical signal, and one that is similar to, but different fusing temperature, the general application to fire the exhaust pipe through the firewall, the flue gas temperature exceeds 280 degrees when automatic fuse shut leafy pressure delivery outlet, close linkage exhaust fan. 1. Exhaust valve normally closed smoke damper (normally closed, electrical signals turned 280 degrees blown off, or manually turned off) generally used in exhaust systems, exhaust fan can be installed at the inlet of a fire at the Consumers control room to control the opening pressure delivery outlet size, the chain is closed also closed the exhaust fan. 2. The exhaust valves, with the three, each unit different names, some based on its operating temperature is called the exhaust valves, and some based on its use of nature called the damper, but only for the common damper device side of the fuse metal fuse into that kind of 280 degrees. 3. The automatic smoke damper (underground engineering) Fire subway ventilation and air conditioning systems, exhaust valve having automatic fire alarm equipment and gas extinguishing system linkage control functions. Each automatic smoke dampers with two independent electric control signal, respectively, by EMCS, gas consumption system to monitor, control signals are DC24V ± 10% signal. Each automatic smoke dampers have six independent feedback signal (three open place, three off place) feedback signals are normally open dry contact signal. Exhaust port if you have installed the necessary piping exhaust valve, use an ordinary single Grille can; otherwise required plate discharges, it is also the institution with the smoke damper. Category: normally open type smoke damper, 280 degrees fuse closed, normally open, output electrical signal, and one that is similar to, but different damper wholesale fusing temperature pressure delivery outlet, generally used in fire exhaust pipe through the firewall at the flue gas temperature exceeds 280 degrees when automatic fuse off, you can turn off the exhaust fan interaction. Exhaust port: If you installed the necessary piping exhaust valve, use an ordinary single Grille can; otherwise required plate discharges, it is also the institution with the smoke damper. Product Name: smoke fire control valve and input dc24v electric signal, the electromagnet action air dampers, 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 sensors, 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. Fire pressure delivery outlet | Xuancheng pressure delivery outlet | Hefei pressure delivery outlet provided by the Shandong Air Conditioning Equipment Co. GREAT fan. 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!