[Tianjin Jin Zhongji HVAC purification equipment to recommend the star product - damper] installed in the ventilation, air conditioning system, the return air duct on the road, usually was turned on, the gas pipeline fires when the temperature reached 70 ℃, , fusible sheet fuse, the valve automatically closes in the torsion spring force, in a certain period of time to meet the fire resistance stability and fire integrity requirements, from smoke fire retardant valves. When the valve is closed, the output off signal. Smoke fire control valve, normally open, 70 degrees closed, with 1, but more an electrical signal input, remote control can eliminate the control room is closed, generally used for peacetime air, fire up a common air duct system can be controlled fire Close unneeded makeup air rooms; normally open type smoke damper, 280 degrees fuse closed, normally open valve, output electrical signal, and a similar number this galvanized plate valve flanges are just fusing temperature different zinc board exhaust valves, generally used in fire exhaust pipe through the firewall, the flue gas temperature exceeds 280 degrees when automatic fuse closed galvanized damper, linkage to close the exhaust fan. [Tianjin Jin Zhongji HVAC purification equipment to recommend the star product - Jinzhong Ji plate discharges plate discharges 2015] Preferred - Tianjin Jin Zhongji HVAC Purification Equipment Co., design, production integration, 100% quality assurance, factory outlets, price concessions, reliable, welcome to our factory tours. Plate discharges (both with remote devices) are generally used for exhaust ports mounted facedown occasions. Without leafy exhaust port with the remote device is generally perpendicular to the plane for the exhaust port installed and can be operated by a human occasion with far leafy exhaust port actuating means can be used either to install the exhaust port facing down the case can also be used for manual operation of the exhaust port side vain vertical installations. Tianjin valve, the group, galvanized sheet exhaust valve provided by the Tianjin Jin Zhongji HVAC purification equipment. Tianjin valve, the group, galvanized sheet exhaust valve Tianjin Jin Zhongji HVAC purification equipment Limited (www.Jzjnt.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, Contact: Yang Jie.