TM 55-1930-209-14&P-1
Table 9-3. Chlorination System Valves (Continued)
Label Identification
Type
Callout
Location
and Valve Function
2-way
CU8*
In chlorination unit
CHLORINATION AIR VENT: Allows
manifold vent line
venting of chlorination unit during
normal operation and descaling and
flushing
2-way
CU9*
In chlorination unit
CHLORINATION DRAIN: Allows
drain line to sump
draining to sump from chlorination
unit, circulating pump, acid tank, and
holding tank
2-way
CU10*
In chlorination unit
CHLORINATION HOLDING TANK
holding tank supply
CHLORINE FLOW. Allows
line to metering pump
chlorinated water to flow to
metering pump from holding tank and
isolates tank
3-way
CU11*
In makeup water line
CHLORINATION INPUT WATER
on discharge side of
CONTROL: Allows either seawater
pressure set
from cooling pump or drinking
water from pressure set to flow to
holding tank
2-way
CU12
In drinking water line
CHLORINATION DRINKING WATER
from pressure set in
INPUT: Isolates drinking water supply
void 2 port near valve CU11
from chlorination system until hose is
connected between valves
CU12 and CU12A
2-way
CU12A
In drinking water line
CHLORINATION DRINKING WATER
from pressure set in void 2
INPUT: Allows drinking water to flow
port above valve CU12
from pressure set to chlorination unit
when hose is connected between
valves CU12 and CU12A
2-way
CU13
In chlorination unit
CHLORINATION SYSTEM METERING
holding tank supply
PUMP INPUT: Allows chlorinated
line to metering pump
water to flow to metering pump from
holding tank and isolates metering
pump
2-way ball
CU14
In metering pump
CHLORINATION SYSTEM METERING
(There are
discharge line between
PUMP OUTPUT: Allows measured
two valves
pump and mixer
amounts of chlorinated water to flow
CU14 on
into ROWPU product waterstream
Barge 1)
2-way
CU15*
In metering pump discharge
CHLORINATION SYSTEM CHLORINE
(Barge 1)
line between two valves
FLOW TO DRINKING WATER. Allows
labeled CU14
chlorinated water to flow from metering
pump to mixer
2-way
CU15*
In line connected to valve
CHLORINATION DRAIN CONTROL:
(Barges 2
CU1 to cell drain line and
Allows drain of chlorine from valve
and 3 only)
circulating pump drain line
CU1 to sump tank
9-19
