Introduction
In the 1970s, people were still used to threaded and welded fittings. Although threaded fittings are labor-intensive and time-consuming to install and have a high water leakage rate, welded fittings pollute the environment and pollute water pipes, but before the new fittings are not used on a large scale (although the new fittings have been proven to be effective), people's attention to the new fittings use with caution. After all, the use of pipelines is mostly concealed projects. If you choose the wrong material, concealed projects will become hidden dangers.
By the 1980s, the compression-type pipe fittings had strong joints, quick installation, no water leakage, and reasonable prices, and other advantages had been recognized by people. It is no longer a dream to make water pipes and pipe fittings as long as buildings. Architects can combine economy, health, environmental protection, quick installation, firmness, and no engineering concealment. Make painful trade-offs. Since then, compression fittings have been used on a large scale in Europe, North America, Asia, and the Middle East.

Connection Method
Compared with the traditional connection method, Brass Press Fitting Male Elbow has more complicated engineering technology content, which is suitable for the maintenance and construction of some complex projects; the double-press fitting male Elbow is very convenient to install on-site and can be installed in a short time Well, the completion time is advanced, the cost is reduced, the possibility of water leakage is prevented, and the probability of risk occurrence is effectively reduced; the connection strength is high and vibration resistance. The connecting parts are put in place at one time, which effectively prevents the loosening of the interface, and has the interface technology and functional effect of "five leaks". During the service life of the building, it is not necessary to maintain and replace the Brass Press Fitting Male Elbow frequently, which greatly reduces Renewal cost of pipe fittings; at the same time, the processing methods of double-press pipe fittings are diversified, including forging method, roller method, and stamping method.

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