Isogen Symbol Keys - Isogen - Reference

Isogen Symbol Key (SKEY) Definitions Reference

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English
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Isogen
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Isogen Version
13.0(2016)

All components generated by Isogen are defined by a unique code called a symbol key (SKEY). SKEYs contain 2-4 characters; the first two characters define the type of component, and the last two characters define the end type, such as flanged, butt welded, or screwed. You can specify an appropriate end condition by replacing the ** characters in the SKEY with one of the set of characters from the table below.

SKEY Characters

End Condition

BW

Butt Weld

CP

Compression

SW

Socket Weld

FL

Flanged

SC

Screwed

PL

Plain End

LN

Liner Nut

LC

Liner/Clamp

LR

Reducing Liner/Nut

MP

Male Part

PF

Push Fit

GL

Glued

CL

Clamped

FA

Flared

BS/SB

Ball and Socket (used on fixed length type pipe work)

GF

Gland (used on fixed length type pipe work)

Some special components such as mitre bends and pulled bends can have special characters in the SKEY to affect its shape, as detailed below.

  • To denote the number of segments, replace the AT sign (@) in the SKEY with an integer value in the range 1 to 9, inclusive. Currently, regardless of the value assigned to the AT sign, the software draws the symbol according to the SKEY-plotted isometric shape.

  • To denote the bend radius, replace the Plus sign (+) in the SKEY with an integer value in the range 1 to 9, inclusive. This is for identification only and is not used for pipe length calculations.