Slope of Instrument Impulse Line

Instrumentation
1

Good day to all,

As per my research, the minimum slope of instrument impulse line is 1:12

Is there anyone here knows how to explain this, and how can we apply this in the actual scenario?

TIA

2

as I understand it is like this:

TAG-Model
TAG-Model1600×1280 42.7 KB

3

Download Impulse Lines Guide:
Impulse Lines.pdf (546.5 KB)

4

Hi Blackbass,
API 551 section 8.3.2 well answer your questions. See below snapshot:

image
image889×304 29.6 KB

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