Page 63 - Improving Machinery Reliability

Requirements Specification 35

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INSTRUMENT -LOCAL MTD W CHECKVALVE a TWSFERVALVE (6 PORTED)
INSTRUMENr -PANEL MTD w GLOBE VALVE PRESSURE CONlROLVALVE [ LEVELINolCAToR
PRESSURE INDICATOR GATEVALVE & DIFFERENTIAL PRESS CONTROL VALVE
TEMPERANRE INDICATOR INSTRUMEMVALVE ;;i;':,P"W INDICATOR 0 ACCUMULATOR
OR D~FFEREN~~~ b4 VALVE - NORMALLY CLOSED
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PRESSURE INDICATOR + WRNALRELIEFVALVE * TEE.PLUGGED
- ~ LML ALARM SWITCH
... - BUILT-IN RELIEF VALVE
PRESSURE SWlTCH <, SOLENOIOOUMPVALVE W TRIPhmRO~EVALVE INSTRUMEMVALVE(BLEED PLUG)
TEMPERATURE swii-cn w THREE-WAY VALVE
DlFFERENTlliLPRESSSWIlCH
Figure 1-24. Simplified lube- and seal-oil schematic for a turbine-driven compressor.
(Courtesy of The Elliott Company, Jeannette, Pennsylvania.)