The KKS system is a classification system for the complete power plant and its components and provides a common language for the designer. IDENTIFICATION SYSTEM KKS Chapter I KKS Guidelines and Total Plant Key Chapter II Function Key Chapter III Equipment Unit Key Chapter IV Component. I have a query which states: One of my client using KK standard codification for P&ID In KKS Codification of P&IDs, the line tag, instrument tag and valve tag.

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The second character of FN numbers the cubicles. AN numbering may be consecutive or grouping.

Special Rules for Civil Engineering Details of application are subject to agreement between the parties to the project. Feed water system Control and protection system for steam, LY.

YB81 XB82 Auto; close, down S — Ancillary systems When technical installations differs only with counting signs codificcation installation it is necessary to assign to a secondary variable counting signs like for one of those installations e.

Format of Code I – 2. Redundant zeros must be written, e. The s character may be omitted if no structure in the total plant comprises more than 99 rooms. Redundant zeros must be written. A working party, consisting of planners, operating companies, authorized codificatikn and other authorities, was set up codificstion with the task of finding such a solution.

CF means the twelfth local measuring circuit of fluid flow the code CF12 is not correct. Rules on the Keys Log In Sign Up.

But it is necessary to modificate the counting signs of breakdown level 1 – installation unit code. Measuring circuits are identified according to the system within the interfaces of which the sensor is installed.


A — Mechanical equipment AL According to cubicles, divisions, sections etc.

Coidfication to be met by the Identification System To perform the set tasks the Identification system must be capable of satisfying the following requirements: General Notes I – 5. All signals in such automatic regulation system in breakdown level KKS 0, 1, 2, are described identically.

Function-Interfacing Analog Signal Processing Where control and instrumentation equipment serves more than one process system identified in F2 and F3, the letter Y for generic control and protection systems may be used in the appropriate data character on breakdown level 1. Safety equipment, consisting of safety valves and their associated piping, are assigned to the system to which they are connected.

F — Indirect measuring circuits P — Cooling water systems It oks a common practice to apply a grouping numbering of equipment units: V Lubricant supply system W Sealing fluid supply system X Fluid supply system for control and protection equipment. Format of Breakdown Levels The code is made up of breakdown levels. System One should remember, that the code of a system codificagion consist of five symbols: The numerical digits count and subdivide the unit e.

Any combination of alpha and numerical symbols appropriate to the requirements is acceptable for the identification of connections. EA – Conditioning of signals related to functional control group.

KK standard codification

Bearing in mind the scale of power plants being built up to the early sixties, the Plant Identification System AKS could be regarded as adequate for the needs of planning and construction engineers at that time. Special Rules for Mechanical Engineering I codifucation 5.


,ks, water, gas cycles Q. G — Electrical devices Where an equipment unit serves as an interface between two codificafion more systems, its system code is assigned on the originator principle, i.

Mechanical Service Systems Mechanical service systems which serve more than one main group identified on breakdown level 1 are identified as auxiliary or ancillary systems in separate main groups F1 by means of the following coding letters: Where several mechanical systems identified differently in data characters F2 and F3 are connected to one mechanical service system, the following code letters are used for the service systems on breakdown level 1 in the data characters concerned as follows: Gated analog signals representing physically similar direct measured variables are identified by means of a set number, e.

Component codification and identification systems|INIS

Point of Installation Identification Introduction The table below shows the designation and type of data characters used for equipment unit code. Click here to sign up.

This rule lks not refer to direct measurement circuits, which apply to technical installation and physical variable. The first digit is often used to point the kind sort of component designated in B1 B2. Introduction Identification System is based on the Kraftwerk – Kennzeichen – System KKS This System is the basis for the standard and clear identification of all installations and subsystems in power plant.

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