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26.01.2012 Laars boilers
One-piece known as compounds that are disconnected only when the mount or destroy the item. Welding of pipe connects laars boilers the most durable and reliable. Welding is carried out by vrastrub simultaneous reflow heating tool outer laars boilers surface of a smooth tube end and a thin layer of the inner surface of the bell. Then you need very quickly Slide the end of the pipe into the socket. Weld ends produce, melted by heating tool, and then connecting the fused surface with very little pressure. At home, due to the lack of sophisticated equipment used not all types of welding. Before carrying out welding, pre-washed greasy place pipe solution of caustic soda, and then with warm water. After this process, the chinese sheetrock problems weld seams with a file and an organic solvent and opilivayut edge. Gas welding allows the joining metals and plastics. The operating principle of such a weld is very simple: the combustion of gas flame is formed, melts filler material - wire, which fills the gap between the edges of parts, thereby forming a weld. This is done using electric welding electrodes, as melting and nonconsumable (tungsten or carbon). In the second case in the melting zone of the arc injected filler material. If welding is done right, on the surface of the pipe will not laars boilers appear fistula, and the line of junction will be unobtrusive. In addition to welding permanent joints producing and using glue, which is accomplished by introducing between the surfaces of parts of the layer of glue. Usually the following types of adhesives: epoxy (for metal and plastic), BF-2 (for plastic and metal), 88H (metal to rubber and rubber-rubber). In this connection method, compared with welding, a lot of advantages. Gluing requires no increase in temperature, the details are not deformed. This way you can combine dissimilar metals and nonmetallic materials. For cleaning of rust and dirt using sandpaper or wire brush. Grease and oil is removed concrete paver molds with acetone or gasoline. If the bonding glue 88H shall then apply petrol, and if they use the EAF and BF-2 - acetone. First, on the surface applied with a brush the first coat of glue and allow to dry. BF-2 dry for 1 hour at 20 ° C, 88H - 15 minutes in the fresh air, and the use of EDP-drying is generally not required. Then as soon as details are combined and pressed them to each other clamps.
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Sprayed by the cracks in the foundations themselves coat of paint and color goes with her continuous stream, then everything is done correctly. For deep tube wells is recommended to use ways of connecting.
Which are removed from the stitches embroidered setting up of the solution placed in different ways. Maintain air temperature well-primed surface smooth so that it becomes flat warming of parts and.