The purpose of using loose flange with butt welding ring is generally to save materials. Its structure is divided into two parts. One end of the pipe is connected to the pipe, and the other end is made into butt welding ring. The flange is made of low-grade materials, and the pipe part is made of the same materials as the pipe to save materials
Loose flange: loose flange is commonly known as loose flange, split welding ring loose flange, flanging loose flange and butt welding loose flange It is often used when the medium temperature and pressure are not high and the medium is corrosive. When the medium is highly corrosive, the part of the flange that contacts the medium (flange stub) is made of high-grade corrosion-resistant materials such as stainless steel, while the flange ring of low-grade materials such as carbon steel is used to clamp it externally to achieve sealing;
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