No. | Main Parameter | |
1 | Model No. | ETWNE-41 |
2 | Material | brass |
3 | Weight | 257g |
4 | Shape | quadrangle |
5 | Certificate | CE.IEC60730 |
Product Details Show


Flange with neck flat welding:
Flange with neck flat welding belongs to national standard flange standard system. GB flanges (also known as GB flanges) is one of the manifestations of equipment or pipes on one of the commonly used flanges.
Advantages
The site installation is more convenient, and it can omit the disadvantages during weld beat knead wound process. With the neck flat welding flange neck height is lower, the stiffness of the flange, the bearing capacity has been improved. Compared with butt welding flange, welding workload is large, electrode consumption is high, and it can not withstand high temperature and high pressure and repeated bending and temperature fluctuations.

Butt welding flange with neck:
The sealing surface forms of butt welding flanges with neck are protruding surface (RF), concave surface (FM), convex surface (M), tenon surface (T), groove surface (G), full plane (FF).
Advantages
Connection is not easy to deformation. Also, it has good sealing effect, wide application, and can apply to the temperature or pressure fluctuate dramatically pipe or high temperature, high pressure and low temperature pipes. It is also used for conveying expensive medium, flammable and explosive medium, toxic gas pipeline on faults. With huge volume of butt welding neck flange, it has heavy weight and difficult installation position, and is expensive. So it's easier to bump in transit.
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