User guide

BT-472 Rev. B

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.

Legend

CN-1 Connection, Liquid Fill / Withdrawal CV-1 Check Valve, Pump/Top Fill

CN-2 Connection, Full Trycock & Vent CV-2 Check Valve, In Line

CN-3 Connection, Pump / Top Fill LI-1 Liquid Level Gauge

CN-4 Connection, Gas Withdrawal VC-1 Vaporizer Coil

V-1 Valve, Liquid Fill / Withdrawal PI-1 Pressure Gauge

V-2 Valve, Full Trycock / Vent PBC-1 Pressure Building Coil

V-3 Valve, Gas Withdrawal PCV-1 Pressure Building Regulator

V-4 Valve, Pressure Building PCV-2 Economizer Regulator

V-5 Valve, Pressure Builder Isolation SV-1** Safety Valve

V-6 Valve, Economizer Isolation SV-2 Safety Valve

V-7 Valve, Low Pressure Isolation SV-3 Safety Valve

V-8 Valve, High Pressure Isolation R-1** Inner Container Safety Disc

V-9 Valve, Pressure Equalization R-2 Outer Casing Safety Disc

V-10 Valve, Manual Ball FSV-1* Fill Stop Valve

For use with delivery vehicle equipped with automatic filling system, i.e. Taylor-Wharton

Express Cryogenic Delivery System.

** Option available for Dual Safeties/Rupture Disc with Diverter Valve.

Figure 1: System Piping Schematic