Page 114 - Compression Machinery for Oil and Gas

Centrifugal Compressors Chapter 3 101

Lube oil supply Pressure switch, high Pressure switch, low Relief valve Temperature sensor Temperature indicator
PCV

PCV Start secondary pump @ setpoint (PSIG) falling press. PSH PSL RV TE TI
High pressure control oil supply PSL PI

TE
Clean oil drain Dirty oil drain Level indicator Level indicator transmit Level switch Pressure control valve Pressure indicator

Vent
A B LS
PDIT Main oil filters Purge LS LIT LI LIT PCV PI
To oil reservoir TI PI NC Secondary oil pump and driver Electric motor driver AC or DC power Concentric reducer Lube oil console P&ID. (Figure 8.10 from B.C. Pettinato, Steam turbines, in: George E. Totten (Ed.), Handbook of Lubrication, Application and Main-

PI
LI Legend Cooling fan Orifice
Vent Drain RV Reservoir
PI Primary oil pump and driver
A B TI
To oil reservoir Fill line PCV RV Heater

TI Relief/safety valve Pump suction strainer Double pass, shell and tube heat exchanger
TE Oil filter
Cooling water out Cooling water in Cooling water out Cooling water in Purge 2006.)

Oil coolers Coolers and filter vents Exhauster vent Fill conn w/strainer Oil from clairifier 1/2” per foot minimum Oil to clairifier Tank drain Inc., Press,

Slope Transfer valve 6–way Check valve Globe valve Gate valve Ball valve CRC
Oil return from units ed.,
second

I,
vol.
FIG. 3.67 tenance,