Air in the form of air curtain, there is a commonly used feed type, side feed type and bottom feed three. Sent air curtain: air curtain installed in the upper part of the doorway. Sent to the air curtain is easy to install, does not account for the construction area, does not affect the building aesthetics, air flow better sanitary conditions for the general public buildings. Despite the sending air curtain blocking efficiency is not as cold outdoor air curtain to send, but it is still a form of the most promising. General purpose air curtain door just stop outdoor cold (hot) air curtain air price, usually set up an air outlet, with no return air, so that the jet and on the ground after contact with the proliferation of freedom to indoor air curtain price, selection, principles, effect, which is called a simple door air curtain air curtain. Side curtain air delivery: air curtain mounted side air curtain doorway, divided into two kinds of unilateral and bilateral. Industrial buildings, when the outer door width is less than 3M, should adopt unilateral air, when the outer door width is 3 ~ 18M, should adopt unilateral or bilateral air, or down on the air. In order not to block the air flow, equipped with side curtain air delivery doors open inward prohibited. By sending air curtain: air curtain is installed below ground. Due to lower feed air curtain jet strongest area in the lower doorway, so resist the cold winter wind from entering the lower part of the doorway when the efficiency of the best, and influence the direction of the door is not opened. Air curtain for large shopping malls, large hospitals, car parks, factories, warehouses tall doorway used? Centrifugal fan, open the door for high frequency mine mouth top blowing air curtain manufacturers, large flow of people large public places. ? Sub-type low temperature hot water, high temperature hot water, steam-type categories. ? Low temperature hot water type with copper heat exchanger, high temperature hot water and steam type used in the steel heat exchanger. ? Each class divided three series, corresponding to different installation heights. ? Obviously loaded, concealed horizontal, vertical concealed 3 models. ? Machine without switch and control system, need to reprovision control box use. ? Foreign takeover with screw connection, the statement takes flanged orders. ? Ming installed type with metal casing, surface electrostatic spraying, color is beige. ? Dark installed type metal casing, surface paint treatment, the color is dark gray. ? There are explosion-proof or dust requirements, you can customize or dust-proof motor, it should be declared when ordering. Side-blown door air curtain air curtain, air conditioning provided by the Texas Watson Watson air-conditioning plant. Texas Watson air-conditioning plant (www.wchuaxin.com) (www.wchuaxin.com) strong, credible, Shandong Texas heat, refrigeration and air conditioning equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Watson air conditioning and you hand into the brilliant, for a better future!