Cameron BARTON 289A - Page 52

A-15
Model 199 Differential Pressure Unit (DPU) Section 3
SHUT-OFF
VALVE
LOW-PRESSURE
DRAIN
VALVE
BLOCK
VALVE
INVERTED "U"
GAS TRAP
MINIMUM LENGTH
6 INCHES
DPU
BLOCK VALVE
VAPOR GENERATOR
Figure 3.11—Liquid CO2
LOW-PRESSURE
HIGH-PRESSURE
SHUT-OFF
VALVE
INVERTED "U"
GAS TRAP
VAPOR GENERATOR
FLAT TUBULAR SPIRAL
IN OUTER 1/3 OF TANK
INSULATION KEEP
DEAD LEG BETWEEN
TANK AND SPIRAL
5 INCHES OR LESS
MINIMUM LENGTH
12 INCHES
BLOCK VALVE
BLOCK
VALVE
DPU
Figure 3.12—Cryogenic Liquids