Abbreviation often used in PDMS Isometric

This page is a abbreviation often used in PDMS Isometric.

Symbol Keys

Refer to User Guide ISODRAFT Section 3.2

Each type of component has a two-dimensional symbol which is used to represent it on the isometric drawings. Each symbol is referred to by a text attribute, known as the symbol key (SKEY) attribute, of a DTEXT element.

The overall relationship between a pipe component and its descriptive elements is shown by the following structure:


The chapter Symbol Keys of the ISODRAFT Reference Manual contains a complete list of the standard symbols and their associated symbol keys, grouped together by generic type (ELBO, FLAN, PCOM, VALV, etc.).

You can usually select any symbol listed under the relevant generic type. For example, the following symbol keys are valid for a CAP (see Section CAP Symbol Keys of the ISODRAFT Reference Manual):

If an incorrect SKEY is specified, a default rectangle will be drawn at the corresponding component position.

Note: It is essential to comply with the p-point configurations for the given symbol. The chapter, Symbol Keys of the ISODRAFT Reference Manual shows the configuration for each symbol.

The SKEY attribute of a DTEXT element is set by using the syntax

SKEY symbolkeytext
where symbolkeytext is the symbol key attribute code enclosed between closing quotes. For example:

The default SKEY symbols should be suitable for most applications. For specialised needs it is possible to redefine existing symbols, or to create new symbols, for some types of component. This is described in the chapter Symbol Keys.


3 thoughts on “Abbreviation often used in PDMS Isometric”

  1. 1.For example,for Skey we will take VCBB n Bkey VC**.
    2.if i want to create new Skey with new name like Skey VZBB,Bkey VZ** will PDMS accept it?
    3. Aveva has supplied some specified keys only those keys we need to use?and what is the difference between Skey and Bkey.

    1. SKEY representate from BKEY, 2 front character from SKEY should be BKEY. sample basekey VB**, you can VBAA for Skey or VBBB etc.

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