Cameron BARTON 289A - Page 49

A-12
Section 3 Model 199 Differential Pressure Unit (DPU)
BLOCK
VALVES
PRIMARY DEVICE
DRIP POTS
STATIC PRESSURE
CONNECTION
(USE ONLY ONE)
BYPASS
VALVES
VENT
VALVE
SHUT-OFF
VALVES
DPU
Figure 3.3—Gas Flow, Hydrates Present
DPU
PLUGS
BLOCK
VALVES
CONDENSING
RESERVOIR
PRIMARY
DEVICE
SHUT-OFF
VALVES
VENT
VALVES
(OPTIONAL)
Figure 3.4—Steam Flow, DPU Below Run
BLOCK VALVES
PRIMARY
DEVICE
BYPASS
VALVE
SHUT-OFF
VALVES
DPU
Figure 3.5— Liquid Flow, DPU Above Run