Chapter 9-MACHINERY ARRANGEMENT AND PLANT LAYOUT 



OTHER VALVES 



AUTOMATIC, OPERATED BY 

 GOVERNOR 



DIAPHRAGM 



rftb 

 -C>1<3- 



-H^^ 



FLOAT OPERATED 



LOCK AND SHIELD 



ttn 



PUMP GOVERNOR 



SOLENOID CONTROL 



-oUa- 



-cJ<}- 

 -cJo- 



THERMOSTATICALLY 



CONTROLLED _i-St_ 



STRAINERS 



TYPE 

 BOX STRAINER 



DUPLEX OIL FILTER 



DUPLEX STRAINER 



SYMBOL 



-8- 



Y STRAINER 



TRAPS 



TYPE 

 AIR ELIMINATOR 



BOILER RETURN TRAP 





BUCKET TRAP 

 FLOAT TRAP 



P TRAP 

 RUNNING TRAP 





-Q- 



POWER AND HEATING PLANT 

 EQUIPMENT 



UNIT 

 AIR EJECTOR 



BLOWER, SOOT 



BOILER, STEAM GE 

 (WITH ECONOMIZE 



-co 



ENERATOR JC" 



R) "^"Tl 



ENGINE, STEAM I jg |_ 



EVAPORATOR, SINGLE EF 



PUMP, RECIPROCATING 



PUMP, ROTARY AND SCREW — (RV- 



TURBINE, STEAM 



GAGES, THERMOMETERS, AND 

 MISCELLANEOUS 



TYPE 

 LIQUID LEVEL 



(7)p 



VACUUM-PRESSURE 



THERMOMETER 



THERMOMETER, DISTANT READING 

 BARE BULB TYPE 



(7)vP 



^ 



THERMOMETER, DISTANT READING 

 SEPARATE SOCKET TYPE 



AIR CHAMBER 



BULKHEAD JOINT, EXPANSION 



BULKHEAD JOINT, FIXED 



METER, DISPLACEMENT TYPE 

 (OTHER THAN ELECTRICAL) 



SEA CHEST, DISCHARGE 



SEA CHEST, SUCTION 



-H- 



A 



REFRIGERATION EQUIPMENT 



UNIT 

 COIL, PIPE 



COMPRESSOR (ALL TYPES) ~A^ 



CONDENSER, EVAPORATIVE jS] 



CONDENSING UNIT, AIR COOLED A ^ (^ 



CONDENSING UNIT, 

 WATER COOLED 



COOLER, BRINE 





SWITCH, CUTOUT, HIGH PRESSURE _f-|HP| 



SWITCH. CUT-OUT, LOW PRESSURE - tIlpI 



VALVE, EVAPORATOR r—, 



PRESSURE REGULATING _(s)-l— 

 SNAP-ACTION VALVE Jl 



VALVE. EXPANSION, AUTOMATIC 



VALVE, EXPANSION, 

 MANUALLY OPERATED 



VALVE, EXPANSION, 

 THERMOSTATIC 





Figure 9-10. — Engineering symbols— Continueci. 



203 



11.330.2(11A) 



