What is pipe schedule?
What are all effects its having in the valve?
how do we take care of pipe sch in case if the customer dint
specify in the data sheet.
What we need assume and in what basis?
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Answer Posted / shankar
Thickness of the pipe is normally spelled in Schedule
example 1/2" Sch 40S,
Generally, ID (Inside diameter) of the pipe will vary by
varying the thickness but OD (Outside Diameter) remains
constant. But it is vice versa when we speak about tube,
where ID remains onstant and OD will change by varying
thichmess.
For a valve with welded end connection ,schedule of the
valve is needed, so that while joining valve with the pipe,
both ID of valve and pipe shall be matched. For that most
of cases schedule is important.
In case when pipe sch is not given, we have to follow ASME
31.3 code to find the required thickness for the design
pressure and temperature.
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