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Beveled is a term used to distinguish retards from junior high grads. Try this, type wiki in your search bar and type the same question I'm their search bar. Goodluck!
A light pipe is a type of tube that is used to disperse or shift light.Light pipe can be used to send natural sunlight into a building they can be used to create artificial light within any type of structure.
A type of weld produced around the outer surface of a cylindrical workpiece. Circumferential welds are used to fabricate structural pipes
This process, called the butt-weld process is the basis for our current pipe-making procedures. In his method, thin sheets of iron were heated and drawn through a cone-shaped opening. As the metal went through the opening, its edges curled up and created a pipe shape. The two ends were welded together to finish the pipe. The first manufacturing plant to use this process in the United States was opened in 1832 in Philadelphia. So the method is the two sides are welded as they butt together without overlapping. The same method is used to weld two pipes together as they are butted together and welded around the seams.
Schedule 40
This is hard to answer with out knowing what type of metal. what the pipe is being used for, the amount of pressure that may be not the pipe.
Elbow is a fitting used to change pipe direction, 45 degrees in this case, LR is referred as "long Radius" ( normally most pipes, unless you ask for SR, short radius). Butt weld refers to welding 2 ends from two separate fittings or pipe. Both ends are beveled (30 degrees is tapered from inside pipe diameter to outside pipe diameter on pipe/fitting connections)
It is the THINNEST ply of copper pipe and is ONLY used for heating purposes like baseboard heating!
YES
B-vent pipe.
Coated Copper Pipe that is approved for underground only.
Yes, he used to smoke back in the 60's and 70's he was a pipe smoker and the type of pipe he used was a Stanwell pipe similar style of Hugh Hefner and Bing Crosby.