TXP CLC Course
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Process Identification Example
In Figure 2 an example of a KKS structure for process identification is shown.
The number used is for the Turning Gear Valve. The prefix "=" identifies this as a
process related number. This type of number would normally be seen in the title
block of a drawing, which is located in the lower right-hand corner. Drawings are
organized within the I&C manuals alpha-numerically using the prefix “=”. If an
addition character is added after the Equipment Code, i.e. MBU31 AA001A, this
is used to indicate an additional device besides the main device. In the case of
measuring instruments an additional character may be used to identify multiple
elements within one device, i.e. a three element thermocouple.
Process Identification
= 11 MBV41 AA001
Equipment Code
Actuator No. 1
Function Code
Turning Gear
Unit 11
Process Identification
Figure 2 - Process Identification
Training Center
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