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KKS CODIFICATION PDF

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. When creating in Codificatikn systems secondary variables of the same technical installation that differs with counting sign for breakdown level 2, the same rules are to apply as for this variables created from the same installation. The AN number must consist of three digits.

F — Indirect measuring circuits A2 identifies control and instrumentation functions e. Format of Code I – 2.

KK standard codification

Filters in ventilation and air conditioning systems. Such modifications are subject to agreement between codofication parties to the project. Steam system common to LA.

Transducer Racks, Supports, Frames This auxiliary equipment is identified on breakdown level 1 using the code for the equipment location structure codewith the exception of auxiliaries for main machine sets and heavy machinery system code. Control and instrumentation equipment which serves more than one main group may be identified under main group C for control and instrumentation, e.

Valves Valves are identified on the equipment unit level by the letters AA regardless of their type, design or actuator. In such instances the first character of FN has a classifying purpose.

They are made up of classifying and numbering code elements. A — Mechanical equipment When technical installations differs only with counting signs of installation it is necessary to assign to a secondary variable counting signs like for one of those installations e. The origin and development of KKS It is absolutely essential for the parties participating in the construction and operation of a power plant to agree upon a standard system for the designation and classification of the plant, its part and components.

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C — Direct measuring circuits AL According to cubicles, divisions, sections etc. C — Instrumentation and control systems All signals in such automatic regulation system in breakdown level KKS 0, 1, 2, are described identically. If the letters available are insufficient, FN may be used. Subsequent isolation and pressure equalization valves in the measuring circuit are components of the measuring circuit and therefore classified as KA.

M — Main machine sets Feed water system Control and protection system for steam, LY. F3 of the principal process-related task. Equipment unit identified in breakdown level 2 belongs always to a system identified in breakdown level 1. CF means codificatlon twelfth local measuring circuit of fluid flow the code CF12 is not codifixation.

They are generally identified after the system within the interfaces of which the sensor is installed.

There are also cases of deviations consisting in using the dividing symbol twice, codificationn AN, e. Supply systems which serve only one equipment unit are identified on codkfication equal footing as subsystems of the system in which they are installed. However, such schemes may not have the effect of reserving numbers in other applications, not even within the same engineering discipline. The direction of numbering is vertical from the lowermost floor upwards. They should be established individually for different control and instrumentation concepts.

For example we can identify here: System isolation valves for measuring circuits are identified on the level of the equipment unit code by the classifying letters AA.

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This applies analogously codificatiion supply systems. FN numbering is governed by the following principles: Equipment unit classification Serial no. Equipment Unit Identification In the process-related code which is the most important and mostly applied type of codes in every branch of engineering, the entire system is subdivided according to the function or process.

The next counting signs of the circuit does not change when codifiaction creating only one combined variable. A Grid and distribution systems B Power transmission and auxiliary power supply C Instrumentation and control systems D Instrumentation and control systems E Conventional fuel supply and residues disposal F Handling of nuclear equipment G Water supply and disposal H Conventional heat generation J Nuclear codificxtion generation K Nuclear auxiliary systems L Steam, water, gas cycles M Main machine sets N Process energy supply for external users e.

The prefix symbols may be omitted if the information contents of the codes remain unambiguous. Redundant zeros must be written.

Component codification and identification systems|INIS

Deviations with respect to the type of data character A or N and their quantity are allowed by DIN Part 2 and are subject to agreement between the parties to the project. A breakdown kkw 2 is used to identify the installation space. But it is necessary to modificate the counting signs of breakdown level 1 – installation unit code. Wherever possible, all three alphabetical symbols are permanently allocated, including their associated boundary constraints and task allotment in modern power plant technology.

Fictitious rooms in structures may be identified by numbering or coordinate systems. H — Conventional heat generation Calculation of new value on base of 2 variables, e.