how to recognize pipe & tube?
how to recognize pipe & tube?
(OP)
Dear all
we have auxiliary piping for the pump seal plan
i don't have any related document,
how i can recognize that is pipe or tube?
the picture for two pump were attached.

we have auxiliary piping for the pump seal plan
i don't have any related document,
how i can recognize that is pipe or tube?
the picture for two pump were attached.






RE: how to recognize pipe & tube?
RE: how to recognize pipe & tube?
David Simpson, PE
MuleShoe Engineering
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. Galileo Galilei, Italian Physicist
RE: how to recognize pipe & tube?
RE: how to recognize pipe & tube?
- either by marking on the hollow cylindrical part (tube is typically manufactured to ASTM A269 for US tubing, or EN 10216-5 for European stuff).
- or by it's appearance. Tubing tends to be somewhat cleaner and shinier, if you know what I mean. Though (small bore SS316) piping can be shiny too, (SS316) tubing usually has a very bright appearance.
RE: how to recognize pipe & tube?
However other than getting the end fitting right, why do you ask?
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: how to recognize pipe & tube?
guidance of zdas04 is great for realizing.but unfortunately the pump is in site.the pictures were taken already.
i asked one friend who has been in purchasing the pumps,he told me they were pipe and 1/2" ,sch 80
but can pipe bent like this?
as entrance to the mechanical seal is threaded.my question is that can it possible for each pipe?or there is limitation base on the pipe size?
my questions are just for knowing more about pipe and tube.
RE: how to recognize pipe & tube?
David Simpson, PE
MuleShoe Engineering
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. Galileo Galilei, Italian Physicist
RE: how to recognize pipe & tube?
You may simply measure the outside diameter (do it on a straight section). The OD for NPS 1/2" is 0.84" (21.336 mm) regardless to the sch.
There are rules for pipe bending. You may see at ASME B31.3 ; 304.2
RE: how to recognize pipe & tube?
Either piping or tubing may be used. Tubing is more common because it is more flexible.
In this example, it appears to be tubing because you would not be able to screw the piping into the threads because of the overall shape of the piece. It would be easier to install if compression fittings were used.