Flange plates are circular discs welded to pipes to allow them to be bolted together with a gasket. They can be used to create seams, tees, and joints. Different styles of flange plates are used for different purposes, including aligning misaligned pipes and easily connecting/disconnecting pipes. Flange plates make it easy to remove or add sections of pipe without cutting and welding, saving time and money.
A flange plate is a flat, circular disc that is welded to the end of a pipe and allows it to be bolted to another pipe. Typically used in fuel and water lines, the two flange plates will be bolted together with a gasket between them. The flange plate will have bolt holes all around the perimeter and will be used to create seams, tees, and joints.
When constructing a pipeline, the length of pipes used is not always known. By producing the pipe separate from the flange plate, welders can cut the pipe to length and weld a flange plate in place to join pipes to any length needed. The plates can also be welded to the pipe at a slight angle, allowing you to join two pipes that may not be precisely aligned.
Flange plate designs are uniform at any dimension, regardless of the materials used to create them. This allows a 6 inch (15 cm) black pipe flange to mate perfectly with a 6 inch stainless steel flange. Flange plates will have a serrated finish on the inside mating surface, which allows the plate to seat in the gasket material. This ensures a perfect seal between two joint pipes.
There are many different styles of flange plates that are used for different purposes. The blind plate acts as a cover or plug for a pipe and is used to seal or block a pipe. The slip-on style of the plate allows you to slide the plate over a pipe and then weld it in place. Using the socket weld plate at the ends of two pipes allows them to be easily connected and disconnected.
Flange plates with chamfers and chamfers are used to help align two misaligned pipes. Plates with a stud outlet are plates with studs inserted around the plate in place of bolt holes. This type of plate allows you to join pipes by sliding one flange plate over the studs onto a second flange plate and then tightening nuts to secure the two.
Flange plates make it easy to remove a section of pipe or add it to a pipeline. Without the flange plates, the pipes would require cutting and welding to be separated or added. This would be much more expensive and the pipeline would be out of service for a longer period of time.
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