Do you really understand the classification of marine flange Price?
Release time:
2020-08-18
It is a flange welded by inserting a pipe into the inner ring of the flange. Flat welding flanges are divided into two types: neck flat welding flanges and plate lap welding flanges. The advantages of flat welding flanges are simple manufacturing and low production costs, but they are not resistant to high temperatures and high pressures. They are mainly used for pipelines at normal temperature with pressure below 2.5 MPa. More flanges are used on ships.
Marine Flange PriceIt is a flange used on ships, which connects pipes to each other at the pipe ends. Let's follow the editor to learn about its classifications!
1. Marine Flat Welding Flange
It is a flange welded by inserting the pipe into the inner ring of the flange. Flat welding flanges are divided into two types: neck flat welding flanges and plate lap welding flanges. The advantages of flat welding flanges are simple manufacturing and low production costs, but they are not resistant to high temperatures and high pressures. They are mainly used for normal temperature pipelines with pressure below 2.5 MPa. More flanges are used on ships.
2. Marine Butt Welding Flange
Also known as high-neck flanges, these refer to flanges with a neck that have a circular pipe transition section and are butt-welded to the pipe. Butt welding flanges have high rigidity, are not easily deformed, have good sealing properties, and are widely used. They are suitable for high temperature and high pressure situations. The nominal pressure PN is about 16 MPa. They are mainly used for compressed air pipelines and carbon dioxide pipelines.
3. Marine Loose Flange
Also known as a loose flange, it is generally used when the material cost of the pipeline is very high. To reduce costs, it combines internal fittings made of the same material as the pipeline with flanges made of different materials, utilizing flanges, steel rings, etc., to fit the flange onto the pipe end, allowing the flange to move on the pipe end.
4. Marine Hydraulic Flange
The pressure in the hydraulic pipeline system of ships is very high, so special socket-type high-pressure method flanges are used. The flange thickness is about 30mm-45mm, depending on the pipe diameter. This type of flange generally uses concave and convex flange connection methods, with O-rings as sealing materials.
The above is the classification introduction aboutMarine Flange PriceI hope it can help you.
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