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Coordination System Symbols for single line Piping Arrangements

Butt Welded Piping Arrangement Symbols

NAME END
VIEW
SITE
VIEW
END
VIEW
Butt weld Butt weld
Elbow
LR 90°
Elbow LR 90° Elbow LR 90° Elbow LR 90°
Elbow
SR 90°
Elbow SR 90° Elbow SR 90° Elbow SR 90°
Elbow 45° Elbow 45° Elbow 45° Elbow 45°
Elbow 180°
return
Elbow 180° return Elbow 180° return Elbow 180° return
Tee Tee equal Tee equal Tee equal
Cross Cross Tee Cross Tee Cross Tee
Reducer
concentric
Reducer concentric Reducer concentric Reducer concentric
Reducer
eccentric
Top View
Reducer eccentric
Reducer eccentric Reducer eccentric
Cap Cap Cap  
NAME END
VIEW
SITE
VIEW
END
VIEW
Weld Neck
flange
Weld Neck flange Weld Neck flange Weld Neck flange
Slip On
flange
Slip On flange Slip On flange Slip On flange
Lap-Joint
flange and
Stub End
Lap-Joint flange and Stub End Lap-Joint flange and Stub End Lap-Joint flange and Stub End
Blind
flange
Blind flange Blind flange Blind flange
Weldolet® Weldolet® Weldolet® Weldolet®
Nipolet® Nipolet® Nipolet® Nipolet®
Sockolet®
same as
Weldolet®
Sockolet® Sockolet® Sockolet®
Thredolet®
same as
Weldolet®
Thredolet® Thredolet® Thredolet®
Coupling
full or half
Coupling full or half Coupling full or half Coupling full or half
Pipe Pipe Pipe Pipe

Socket Welded Piping Arrangement Symbols

NAME END
VIEW
SITE
VIEW
END
VIEW
Pipe Pipe Pipe Pipe
Elbow 90° Elbow 90° Elbow 90° Elbow 90°
Elbow 45° Elbow 45° Elbow 45° Elbow 45°
Tee straight
or reducing
Tee straight or reducing Tee straight or reducing Tee straight or reducing
Cross Cross Cross Cross
Cap Cap Cap  
Hose   Hose  
NAME END
VIEW
SITE
VIEW
END
VIEW
Socket Weld
flange
Socket Weld flange Socket Weld flange Socket Weld flange
Blind
flange
Blind flange Blind flange Blind flange
Sockolet® Sockolet® Sockolet® Sockolet®
Reducer Reducer Reducer Reducer
Union   Union  
Swage
concentric
Swage concentric Swage concentric Swage concentric
Swage
eccentric
Top view
Swage eccentric
Swage eccentric Swage eccentric

Threaded Piping Arrangement symbols

NAME END
VIEW
SITE
VIEW
END
VIEW
Pipe Pipe Pipe Pipe
Elbow 90° Elbow 90° Elbow 90° Elbow 90°
Elbow 45° Elbow 45° Elbow 45° Elbow 45°
Tee straight
or reducing
Tee straight or reducing Tee straight or reducing Tee straight or reducing
Cross Cross Cross Cross
Cap Cap Cap  
Hose   Hose  
NAME END
VIEW
SITE
VIEW
END
VIEW
Socket Weld
flange
Socket Weld flange Socket Weld flange Socket Weld flange
Blind
flange
Blind flange Blind flange Blind flange
Thredolet® Thredolet® Thredolet® Thredolet®
Reducer Reducer Reducer Reducer
Union   Union  
Swage
concentric
Swage concentric Swage concentric Swage concentric
Swage
eccentric
Top view
Swage eccentric
Swage eccentric Swage eccentric

Note: Symbols are shown in black lines. Lighter lines show connected pipe, and are not parts of the symbols.

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