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- Contact Person : Ms. Wei yoyo
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Good Quality weld ring loose flange
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Good Quality weld ring loose flange
I).Welded flange plate welded flange with carotid flat welding flange, weld neck flange.
1)Welded flange for a nominal pressure of not more than 2.5MPa pipe connection. Welded flange sealing surface can be made into a smooth style bump-type and tenon slot three largest smooth Flat welding flange applications.used for medium conditions easing, such as low-voltage non-purification of compressed air, low pressure circulating water.Flange Standard: HG20592-2009 (PN series) \ HG20615-2009 (Calss series)
2) With carotid flat welding flange:
Neck height of the lower flange stiffness, increased carrying capacity.Compared with welded flange, large amount of welding electrode consumption is high, can not withstand high temperature and pressure, and repeated bending and temperature fluctuations, the field installation more convenient, you can omit the weld rubbed film hurt the process, the more popular.
3) Weld neck ring loose flange:Loose flanges butt ring loose tube with a neck flange welding neck collar Loose plate flange with weld ring Loose plate flange plate over the loose flanges In addition, in order to meet the needs of device after locking rod Ministry holes, these holes so that bolts to loose by vibration. some flange bolts threaded rod to be conducted carefully, called thin rod flange bolts. this flange bolts inotropic links. steel special high strength bolts in the structure of the head will be bigger. size changes in hot galvanized steel round bar is the reaction of the molten metal and iron matrix alloy layer.
II).Advantage:
1)Cost savings. When the pipe special materials, expensive, flange welding the same material cost.2)Not convenient for welding or not to facilitate processing or need the strength.3)To facilitate construction. Such as connection flange bolt holes corresponding to facilitate the alignment or to prevent future replacement of equipment flange bolt hole there is a change
Good Quality weld ring loose flange
