Taylor-Wharton LP3 - Manual (Page 6)

PIPING CIRCUITS
The following paragraphs describe the operation of the piping circuits of the system. The descriptions refer to
the main components of each circuit and are grouped by function. Reference the piping schematic below and
in the general arrangement drawing for the component designations. These component and circuit
descriptions should be understood before attempting operation.
CV-1
FSV-1
V-7
V-4
V-1
LI-1
PBC-1
PVC-2
VC-1
V-2
SV-2
SV-3
PVC-1
SV-1
R-2
R-1 PI-1
V-3
V-6
PVC-1
CN-4
CN-3
CN-1
CN-2
V-5
Legend
CN-1 Pump / Top Fill Connection SV-2 Safety Valve, 500 psig
CN-2 Gas Withdrawal Connection SV-3 Safety Valve, 22 psig
CN-3 Vent / Trycock Connection V-1 Valve, Pump / Top Fill
CN-4 Liquid Connection V-2 Valve, Vaporizer Isolation
LI-1 Liquid Level Gauge V-3 Valve, Pressure Building
PI-1 Pressure Gauge V-4 Valve, Vent / Trycock
PBC-1 Pressure Building Coil V-5 Valve, Gas Withdrawal
PVC-1 Pressure Building Regulator V-6 Valve, Isolation
PVC-2 Economizer Regulator V-7 Valve, Liquid
R-1 Safety Disc VC-1 Vaporizer Coil
R-2 Outer Casing Safety Disc FSV-1 Fill Stop Valve
SV-1 Safety Valve, 500 psig CV-1 Pump / Top Fill Check Valve
Figure 1: System Piping Schematic
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