Piping Coordination Systems
Symbols for single line Piping Arrangements

Butt Welded Piping Arrangement Symbols

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

Socket Welded Piping Arrangement Symbols

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

Threaded Piping Arrangement symbols

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

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