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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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