4
votes
In P&ID, what is the difference in terms of information between pipe and signal line In the diagram?
It may be dependent on the industry, but in my experience that type of information is not included on a P&ID for instrumentation lines. Instead, there is an Instrumentation Installation ...
- 1,022
3
votes
ISO standards for drawing reserve equiptment in P&IDs
A P&ID should reflect reality
A P&ID that doens't reflect the actual piping construction is a flowchart, not a P&ID. P&ID's are used to determine valve lockout and blind flange ...
- 6,544
3
votes
Accepted
What does this P&ID symbol represent?
From Tip #16 — What is the condition of your diamonds?
Example d), as I’m sure you can easily figure out, is a heater. With all other things being equal, this one shows the inward arrows adding ...
- 2,467
2
votes
Accepted
ISO standards for drawing reserve equiptment in P&IDs
From ISO 10628-1 Diagrams for the chemical and petrochemical industry —
Part 1: Specification of diagrams
4.4 Piping and instrumentation diagrams (P&ID)
All equipment, valves, and fittings shall ...
- 2,467
2
votes
Identification a Symbol for P&ID's Standards
I would guess it's a non-standard symbol for a check valve. @NMech is correct that it looks like a diode, but that would not appear on a P&ID. A check valve is a fluid flow equivalent of a diode ...
- 1,022
1
vote
How to draw orthogonal lines between two points in AutoCad which will be redrawn automatically if the points are shifted?
To my understanding, autocad belongs to one of the first generations of computer drafting solutions, which did not cater for needs such as the one you are describing.
I think this need is cater by the ...
- 24.3k
1
vote
Accepted
Where to find a complete overview for ISO P&ID standards?
Well basically the text of the standard is available at:
iso.org
Though ISO has a number of local distributors, that may be more convenient to deal with or even get free acces through university ...
- 3,597
1
vote
Accepted
Piping and Instrumentation diagram symbols for Position valves and HPLC pumps
FPLC manufacturer Pharmacia (now Cytiva) draws the pumps and injection valves in their AKTA systems like this. FPLC is a low-pressure HPLC. It sounds like you want the symbol for the injection valve, ...
1
vote
Accepted
Does P&ID have cross-reference same as electrical drawing?
Physical location
It depends. Ideally, every actutator(including hand operated valves) and sensor should have a unique identifier (Don't know the english term, the german terms are AKZ or KKS). These ...
- 4,772
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