Flow element in Vertical ? 1

[ysrawat1990]

Does this mean that flow element shown in attached snap we need to place in vertical?
Because one vent is shown and drain is shown on both side of rised portion.

 

[Latexman]

Is Note 6 pertinent?

Good luck,
Latexman

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[ysrawat1990]

note 6 is not pertaining to this.

 

[Latexman]

In my experience, P&IDs show physical relations (size, elevation, orientation, etc.) sometimes, and sometimes they do not. It depends on many factors. Drafting policies, who drew it, how old is the drawing, and were they just trying to squeeze in this during the last expansion and save drafting time.

Refer to the Instrument Datasheet and Manufacturer's Installation Manual for the flow element for orientation guidance.

Good luck,
Latexman

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[SNORGY]

To me, if I am reading that P&ID, the intent is clearly for that meter to be in the vertical run. The intent is probably to ensure a uniformly flooded pipeway as the flow goes through the meter.

I am more intrigued by the time taken to draw in the butterfly valve, only to car seal it open. I presume that the intent used to be to throttle the flow before the meter became a part of the system.

 

[silebi66]

If the pipe located of FT in the pid is small, plugging is critical issue, so the meter run should be located in a vertical pipe.

 

[bimr]

My opinion is that it is just a schematic drawing. If I specifically wanted the flow meter in the vertical, I would put a note on the P&ID.

The drawing also states "CWS", which one would think is cooling water. There is no need to have a flow meter in the vertical direction for cooling water.

Some flow meters will not work in the vertical.

Why don't you ask the person who is responsible for the drawing?

 

[hacksaw]

assuming that the p&id is issued for construction, the piping configuration indicated with a high point drain and a low point drain, indicates that the flow meter is in a vertical leg,

that can change depending on the HEX layout and the HEX supplier nozzle locations,...

 

[Latexman]

Do you have piping iso's or 3D model you can check? Those will definitely show orientation.

Good luck,
Latexman

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[thorium1]

Normally during construction, isometric diagrams will also be used, not just P&ID's. As Latexman explains, P&ID may not show elevation and orientation (unless it is specified in it). It is also not the job of a P&ID to show that. P&ID is mainly to show piping of the process flow together with the installed equipment and instrumentation. An isometric diagram is meant to show orientations, elevations, how stuff are located wrt to other stuff around it. Therefore, it is a good idea to either consult the isometric diagram or consult the guy who designed it instead of speculating.

 

[TD2K]

I'd be looking at the meter data sheet, the instrumentation scope of work or the isometrics to confirm this meter is to be located in the vertical run. Those documents should address this.

That said, I suspect the intent is to imply the meter is in a vertical run because why take the trouble to draw that bent in, it would have been quicker to just put everything on a horizontal line and it would have been just as correct.

If I was building this and this was my only 'document' which it should not be, I'd be submitting an RFI (request for information) back to whoever did the design.

 

[thorium1]

It could be that there is not enough space to draw the FE FI FL FT 1333B as well as the top and bottom vents because TG1333C is blocking the way...