Plumbing Symbols

STANDARD SYMBOLS FOR PLUMBING, PIPING, AND VALVES Plumbing

Plumbing (continued)

Pipe Fittings (continued) Fitting

Drinking Fountain (Projecting-Type)..

Corner Bathtub................................. Recessed Bathtub............................

Elbow–Long Radius................ HW T

Water Heater...................................

Bidet...................................................

WH

Meter............................................... M

Shower Stall.......................................

Hose Rack...................................... HR

Shower Head....................................

.(Plan)

(Elev.)

(Plan) Overhead Gang Shower....................

Hose Bibb....................................... HB

Gas Outlet......................................

(Elev.)

LR

Hot Water Tank................................

Sitz Bath.............................................

Screwed Soldered

Side Outlet Elbow– Outlet Down......................... Side Outlet Elbow– Outlet Up.............................. Base Elbow ............................ Double Branch Elbow ............ Single Sweep Tee...................

Pedestal Lavatory...............................

Vacuum Outlet................................

Wall Lavatory......................................

Drain...............................................

Corner Lavatory..................................

Grease Separator...........................

G

Double Sweep Tee.................. Reducing Elbow...................... D

2 4

2 4

Tee..........................................

G

Tee–Outlet Up.........................

Oil Separator.................................. Handicapped Lavatory.......................

Cleanout.........................................

Dental Lavatory.................................. DENTAL LAV

Standard Kitchen Sink.......................

Garage Drain..................................

Cross......................................

Service Sink.......................................

Soil and Waste, Above Grade... Soil and Waste, Below Grade.........................

Wash Sink (Wall-Type)....................... Wash Sink..........................................

Vent.......................................... Cold Water...............................

Laundry Tray (Single).........................

Hot Water................................. Hot Water Return..................... Fire Line................................... Gas Line.................................. Acid Waste............................... Drinking Water Supply............. Drinking Water Return............. Vacuum Cleaning..................... Compressed Air.......................

Combination Sink & Laundry Tray......

Laundry Tray (Double)........................ Water Closet (Tank-Type)...................

Water Closet (Integral Tank)............... Water Closet (Flush Valve, Floor Outlet).

Concentric Reducer................ Eccentric Reducer................... Lateral..................................... Expansion Joint .....................

Valves F

F

G

G ACID

Fitting

Urinal (Wall-Hung)..............................

Joint......................................... Urinal (Stall).......................................

Valve

Screwed Soldered

Gate Valve.............................. Globe Valve.............................

V

V A

Angle Globe Valve.................. Angle Gate Valve....................

Pipe Fittings

Water Closet (Flush Valve, Wall-Hung) ..

Screwed Soldered

Check Valve............................ Angle Check Valve.................. Stop Cock...............................

Elbow–90°................................

©2005 by American Technical Publishers, Inc.

Side Outlet Tee– Outlet Up.............................. Side Outlet Tee– Outlet Down.........................

Piping

Combination Sink & Dishwasher........

Drinking Fountain (Semi-Recessed)..

Tee–Outlet Down.................... O

Roof Sump......................................

Kitchen Sink, L H Drain Board..........

Drinking Fountain (Recessed)...........

C

Floor Drain with Backwater Valve...

Kitchen Sink, R & L Drain Board.......

Urinal (Trough-Type)..........................

O

TU

Elbow–45°................................

Safety Valve............................ Quick-Opening Valve..............

Elbow–Turned Up.....................

Float Valve..............................

Elbow–Turned Down................

Motor-Operated Gate Valve....

M