Butt welding flange is a type of pipe and refers to a flange with a neck that has a transition of a round pipe and is butt welded to the pipe. Butt welding flange is not easy to be deformed, sealed well, widely used, has corresponding rigidity and elasticity requirements and reasonable butt welding thinning transition, the welding joint is away from the joint surface, and the joint surface is protected from welding temperature deformation.
Basic information :
Name : Butt welding flange
Number of bolt holes : 4 months -48 months
Thread : M10-M27
Flange outer diameter : 75mm-2190mm
Scope of application :
Butt welding flange is not easy to be deformed, sealed, widely used, has corresponding rigidity and elasticity requirements and reasonable butt welding thinning transition, the welding joint is away from the joint surface, the joint surface is protected from welding temperature deformation, it takes more complicated cough pair of compact structure, suitable for pressure or temperature fluctuations in the pipeline or high temperature, high pressure and low temperature piping, generally used for PN greater than 2.5MPa connection of pipes and valves ; also used to transport is expensive, flammable, explosive On the tubing of the media.
Production process :
Connection form : single-sided welding, double-sided nut connection.
Product features : beautiful appearance, smooth surface, acid and alkali resistance, anti-corrosion, strong texture performance.
Production process : sub-oxygen furnace cutting, integral forging or finished forging cutting.
Processing methods : high-precision CNC lathe turning, CNC rocker drilling.
Technical requirements :
Butt welding flanges are typically made using forging or forging processes. When made of steel plate or section steel, the following requirements must be met :
1. The welding flange should be ultrasonically flawed without delamination defects ;
2. It should be cut into strips along the rolling direction of the steel, and welded into a ring by bending. And the surface of the steel is formed into a cylindrical cylinder. The steel plate shall not be directly machined into a neck butt weld flange ;
3 , the butt weld of the ring shall be full penetration weld.
The company has been providing stable and high quality service for domestic and foreign customers for a long time. If you need butt welding flange, please feel free to contact us.