Document vVxvj98oYw38zYYzmJgN8M0a8
18
CHAPTER 2
1952 Guide
Graphical Symbols for Drawings, MjoSMiV A .'Ml .. . - Heating
1. Air Eliminator
2. Anchor............... 3. Expansion Joint 4. Hanger or Support
5. Heat Exchanger 6. Heat Transfer Surface, Plan
(Indicate Type Such as Convector) 7. Pump............... ~
(Indicate Type Such as Vacuum) . 8. Strainer............ 9. Tank (Designate Type)
10;' Thermometer 11. Thermostat 12. Traps 12.1 Boiler Return
XPA --
----EZ3h
'
XH ~
6 6--- = ----
i ;-:_j
E-a
-------- 1V1
. IREC1 .-
__j~---n i'!:
---4=3----
12.2 Blast Thermostatic
12.3 Float 12.4 Float and Thermostatic
12.5 Thermostatic 13. Unit Heatef
(Centrifugal Fan), Plan
6j lL 1 tZr
.14. Unit Heater (Propeller), Plan
15, Unit Ventilator, Plan. .... ,
Abbreviations and Symbols
Graphical: Symbols for Drawings
16, Valves 16.1 Check
. -
16.2 Diaphragm' -. V
16.3 Gate
,
16.i Globe .
f
16.5 Lock and Shield
16.6 Motor Operated 16.7 Reducirig.'Pressure
16.8 Relief (Either Pressure or Vacuum) 17. Vent Point'
Graphical Symbols for Drawings 18. Access Door
19. Adjustable Blank Off
20. Adjustable Plaque 21. Automatic Dampers 22. Canvas Connections'
19 -..i .Heating
Nsh^{<1--
--ex--
--IX--
<D-
VENT
Ventilating
ZZZ3-'X. AD
TR 20X12
|P-20XI2-700Cfrn A-. r-iI~---i--------;--------3-T.
- Qf P-ZO'p -700 Cf m
>---------IV