Page 113 - Compression Machinery for Oil and Gas

Centrifugal Compressors Chapter
Temperature indicator
Lube oil
supply
PCV
pump @ setpoint (PSIG)
Start secondary
PCV
falling press.
TI
High pressure
PSL
oil supply
Pressure control valve
PI
control
Pressure indicator
TE
oil drain
oil drain
Dirty
Clean
Vent
Main oil
B
A
PCV
PDIT
filters
PI
Purge
To oil reservoir
Concentric reducer
PI
TI
PI
LI LS NC LIT Secondary oil pump and driver Legend Pressure switch, high PSH Level indicator LI Electric motor driver AC or DC power Pressure switch, low PSL LIT Level indicator transmit Relief valve Cooling fan RV Level switch LS Orifice TE Temperature sensor 3 101 Lube oil console P&
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,