Flat Welding Flange/ Welding Neck Flange/ Screwed Flange

Product presentation

Flange is an important element connecting pipes and is widely used in various industrial fields. Its main function is to connect the pipe, so that the pipe system has good sealing and stability. Flange is suitable for a variety of piping systems. Flanges can be connected to a variety of pipes including water pipes, pipes, pipes, chemical pipes etc. Whether in petrochemical, power shipbuilding, food processing, medicine and other industries, can see flange. Flanges cover a wide range of piping systems, media, pressure levels and temperature ranges. In industrial production, the correct selection and use of flange is an important guarantee for the safe operation of pipe system.
1. According to the chemical industry standards, integral flange (IF), flange (threaded Th), plate flat welding flange (PL), neck butt welding flange (WN), neck flat welding flange (SO), bearing welding flange (SW), butt welding ring loose flange (PJ / SE), flat welding ring loose sleeve flange (PJ / RJ), lining flange (BL (S)), flange (BL).
2. According to the petrochemical industry standards, it is divided into threaded flange (PT), opposite welding flange (WN), flat welding flange (SO), bearing welding flange (SW), loose sleeve flange (LJ), flange (no table note).
3. According to the mechanical industry standards: integral flange, butt welding flange flange, plate flat welding flange, butt welding ring plate loose sleeve flange, flat welding ring plate loose sleeve flange, flip ring plate loose sleeve flange, flange.4, according to the national standard: integral flange, threaded flange, threaded flange, flange with neck flat welding flange, neck bearing welding flange, welding ring with neck flat welding flange, opposite welding ring plate loose flange, flat welding ring plate loose flange, turning ring plate loose flange, flange cover.
Welding flange has good comprehensive performance, so it is widely used in chemical industry, construction, water supply, drainage, petroleum, light and light industry, freezing, sanitation, plumbing, fire protection, electric power, aerospace, shipbuilding and other basic projects.

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