Flange, also known as flange flange or flange, is the part that connects the shaft to the shaft. The WN butt welding flange itself is a whole, and the connection with the pipeline adopts the butt welding method.
The variety of products can be divided into halogen-free type、RMA type、No clean type、nickel plating type、stainless Steel type、aluminium soldering type and so on. Minimum line diameter to 0.10 mm. For conventional flux content is 2.2%, Mainly used for sold