TM 55-1930-209-14&P-4
Table 3-2. Chlorination System Valves (Continued)
Figures
1-2 & 1-3
Label Identification
Type
Callout
Location
and Valve Function
2-way
CU8*
In chlorination unit manifold vent
CHLORINATION AIR VENT: Allows venting
line
of chlorination unit during normal operation
and descaling and flushing
2-way
CU9*
In chlorination unit drain line to
CHLORINATION DRAIN: Allows draining to
sump
sump from chlorination unit, circulating
pump, acid tank, and holding tank
2-way
CU10*
In chlorination unit holding tank
CHLORINATION HOLDING TANK
supply line to metering pump
CHLORINE FLOW: Allows chlorinated
water to flow to metering pump from holding
tank and isolates tank
3-way
CU11*
In makeup water line on
CHLORINATION INPUT WATER
discharge side of pressure set
CONTROL: Allows either sea water from
cooling pump or drinking water from
pressure set to flow to holding tank
2-way
CU12
In drinking water line from
CHLORINATION DRINKING WATER
pressure set in void 2 port near
INPUT: Isolates drinking water supply
valve CU11
from chlorination system until hose is
connected between valves CU12 and CU12A
2-way
CU12A
In drinking water line from
CHLORINATION DRINKING WATER
pressure set in void 2 port above
INPUT: Allows valve drinking water to flow
valve CU12
pressure set to chlorination unit when hose
is connected between valves CU12 and
CU12A
2-way
CU13
In chlorination unit holding tank
CHLORINATION SYSTEM METERING
supply line to metering pump
PUMP INPUT: Allows chlorinated water to
flow to metering pump from holding tank
and isolates metering pump
2-way ball
CU14
In metering pump discharge line
CHLORINATION SYSTEM METERING
(There are
between pump and mixer
PUMP OUTPUT: Allows measured amounts
two valves
of chlorinated water to flow into ROWPU
CU14 on
product waterstream
Barge 1 )
2-way
CU15*
In metering pump discharge line
CHLORINATION SYSTEM CHLORINE
(Barge 1)
between two valves labeled
FLOW TO DRINKING WATER: Allows
CU14
chlorinated water to flow from metering
pump to mixer
2-way
CU15*
In line connected to valve CU1
CHLORINATION DRAIN CONTROL: Allows
(Barges 2
to cell drain line and circulating
drain of chlorine from valve CU1 to sump
and 3)
pump drain line
tank
2-way globe CU16
Void 2 port overboard
CHLORINATION SUMP TO OVERBOARD:
discharge
Allows sump tank to discharge overboard
2-way ball
CU17
In the discharge line from
CHLORINATION ACID TANK DRAIN:
acid tank
Allows drain of acid tank to sump
*Indicates valve is part of chlorination unit
3-4
