Drawings which represents installation standards is called hook up drawings. With hook-up drawings, engineer can understand how an instrument to be installed in the plant. With hook-up drawing, we can calculate the material requirement. Two types of hook up drawings are there.
1. Pneumatic hookup.
It is independent of process connection. Pneumatic hookup is basically Tubing/piping
2. Process hookup.
Here instruments are directly connected to process line.
An example of hookup drawing is given below.
Tags:Hook up drawing, Instrument installation standard,IS standard, Pneumatic Hook up, Process Hook up, Impulse piping