piping drawing (macmac).docx
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Piping Coordination Systems - Mechanical symbols for Isometric drawings
Image FittingsButtweld
Symbol
Socketweld
Symbol
ThreadedSymbol
Fittings Image
Elbow 90 Elbow 90
Elbow 45 Elbow 45
Tee equal Tee equal
Teereducing
Teereducing
Cap Cap
Reducerconcentric
Reducerconcentric
Reducereccentic
Reducereccentic
Image FittingsButt weld
SymbolSocket weld
SymbolThreaded
SymbolFittings Image
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Flanges Welding Neck Socket weld Threaded Slip-On Lap-Joint Blind Flanges
Symbol Symbol
Image Image
Flanges Welding Neck Socket weld Threaded Slip-On Lap-Joint Blind Flanges
Image ValvesButt weld
SymbolFlangedSymbol
Socket orThreaded Symbol
Valves Image
Gate Gate
Globe Globe
Ball Ball
Plug Plug
Butterfly Butterfly
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Needle Needle
Diaphragm Diaphragm
Y-type Y-type
Three-way Three-way
Check Check
Bottom Bottom
Relief Relief
Controlstraight
Controlstraight
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Controlangle
Controlangle
Image ValvesButt weld
Symbol
Flanged
Symbol
Socket or
Threaded SymbolValves Image
Miscellaneous Symbol Image Miscellaneous
Branch outletWeldolet
Branch outletWeldolet
Branch outlet
Nipolet
Branch outlet
Nipolet
Flanged branch outletFlangolet
Flanged branch outletFlangolet
Spade Spade
Spectacle blind Spectacle blind
Hammer blind Hammer blind
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Spacer Spacer
Restriction orifice Restriction orifice
Field WeldField WeldButt weld
Butt weld
Pipe to pipeconnection
Pipe to pipeconnection
Pipe bendwith special radius
Pipe bendwith special radius
Sight glass Sight glass
Direction of hand wheel / wrench
Hand wheel
Y-type strainer Y-type strainer
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Conical strainer
Conical strainerConical strainer
built-in
Orifice assembly (typical)showing position of taps
Orifice assembly
Meter runorifice assembly (typical)
flanged / butt weldMeter run
Piping Coordination Systems - P&ID Heat Exchanger Symbols
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Piping Coordination Systems - Symbols for a single line Piping Arrangement
Butt welded Piping Arrangement symbols
NAME END VIEWSITE
VIEWEND VIEW NAME END VIEW SITE VIEW END VIEW
Butt weldWeld Neck
flange
ElbowLR 90
Slip-Onflange
Elbow
SR 90
Lap-Jointflange & stubend
Elbow 45Blind
flange
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Elbow 180return
Weldolet
Tee Nipolet
CrossSockolet
same asWeldolet
Reducerconcentric
Thredoletsame as
Weldolet
Reducereccentric
Top ViewCoupling
full or half
Cap Pipe
Socket welded Piping Arrangement symbols
NAME END VIEW SITE VIEW END VIEW NAME END VIEW SITE VIEW END VIEW
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PipeSocket weld
flange
Elbow 90Blind
flange
Elbow 45 Sockolet
Tee straightor reducing
Reducer
Cross Union
CapSwage
concentric
HoseSwage
eccentric
Top view
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Threaded Piping Arrangement symbols
NAME END VIEW SITE VIEW END VIEW NAME END VIEW SITE VIEW END VIEW
PipeSocket weld
flange
Elbow 90Blind
flange
Elbow 45 Thredolet
Tee straightor reducing
Reducer
Cross Union
CapSwage
concentric
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HoseSwage
eccentric
Top view
Note: Symbols are shown in black lines. Lighter lines show connected pipe, and are not parts of the symbols.
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