Page 37 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

22 Applied Process Design for Chemical and Petrochemical Plants

Gate Valve Removable Pipe
Fiiter-Air Intake Spool
Globe Valve
Angle Valve Fire Hydrant :::c --.- Steam Traced
Air Cleaner Line
--i- iP.T. (Compressor
Plug Cock Suction)
l{s.c. _J_ c�-T Steam Jacketed
Line
Plug Valve Steam
- Check Valve Sample Connection Pressure Tap Separator t -- t Duct

--M--
- Stop Check c.s.o. = Car Sealed Open --v Swage
C.S.C. = Car Sealed Closed

Slowdown Valve LO. = Locked Open BooUog --D- Dresser
LC. = Locked Closed
-a- 1J
Coupling
Ball Valve Filter 1Jj Seal Leo, y
Equipment
Butterfly Valve Drain Funnel
Strainer YGage Area Drain
(B = Basket, --.:r:(__ Fitting
Manually Operated C = Cone, Hatch
Control Valve P = Plate)
Drain Conn. to
P Maahole Closed System
Diaphragm Valve "T" Type Strainer
@
Needle Valve I '-; I "Y" Type Strainer Flame Arrester
(Tag on Flow Sheet)
N.V. Steam
' Exhaust Head
Three-Way Plug Diffuser
Valve Twin Basket Sample
Fiiier Cooler
� Mixer
Four-Way Plug
Valve -----J Screwed Cap
Trap-Steam ---;'?...,_._ Slip Blind
Three-Way
Valve -----D Weld Cap
Trap-Vacuum Spectacle
Booster (Lift) Blind
Slide Valve -----11 Blind Flange

Angle Valve --$ Spray Nozzle
If� Bull Plug Hamer Blind
Stop Check Angle
Valve Suction Tee If Expansion
SJ Pipe Plug
Joint
Boller Slowdown Ejector, Eductor, Open Drain
Valve (Tandem) -----IC Hose Connection to Sewer
� Injector
& Exhauster
Flexible Hose
t l'•,lt:=1, Damper I I _. Strainer
with Connection \,

Figure 1-20C. Flow diagram symbols: valves, fittings and miscellaneous piping. (Compiled from several sources, and in particular, Fluor
Corp, Ltd.)