CHLORINE HANDLING MANUAL
IM 25.000AA UA (B/6-00) PAGE 5
Figure 2 – Manifolding Cylinders
3.2 MAXIMUM LIQUID WITHDRAWAL RATE
The generally accepted alternate to manifolding ton contain-
ers is to withdraw liquid chlorine from the lower valve and
use an evaporator. By this means, a ton container can be
emptied in approximately five hours, which is equivalent to
9600 lbs/24 hrs.
Liquid can be withdrawn from tank cars at up to nearly 8,000
pounds per hour, or 192,000 pounds per 24 hours.
3.2.1 MANIFOLDING FOR LIQUID WITHDRAWAL
WARNING: IN ACCORDANCE WITH CHLORINE IN-
STITUTE RECOMMENDATIONS, DO NOT MANI-
FOLD TON CONTAINERS FOR SIMULTANEOUS
LIQUID CHLORINE WITHDRAWAL. THIS
MANIFOLDING CAN CAUSE OVER-PRESSURIZA-
TION AND RUPTURE.
3.3 CONTAINER VALVES
Standard cylinder and ton container valves are identical in
design, except that the cylinder valve includes a pressure
relief device. Cylinder valves are shown in Figure 3 and ton
container valves in Figure 4.
See Figure 5 for captive yoke type auxiliary container valves
(valve connection style #820, recognized by the Compressed
Gas Association as the only acceptable means of connecting
to container valves). The external threads on the container
valve are used only for securing the protective cap.
Figure 3 – Standard Cylinder Valve
Figure 4 – Standard Ton Container Valve
Figure 5 – Auxiliary Ton Container Valve
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