TM 10-4610-232-12
Table 2-5. Manual Water Valves (Continued)
(Item numbers are keyed to Figure 2-6)
Item
Control/Indicator
Function
20
COMBINED PRODUCT
This manual valve provides a combined product water
SAMPLE - V59
sample, as delivered to the storage tanks.
21
PRODUCT UTILITY HOSE
This manual valve controls product water flow from the
VALVE - V10
utility hose.
22
HIGH PRESSURE PUMP HEAD
Open these six high pressure pump drain valves when
DRAINS - V43
securing the ROWPU.
23
CLEAN RETURN VALVE - V50
This manual valve is opened during cleaning procedures.
It is normally closed.
24
CLEAN/FLUSH TANK
This manual valve is used to fill the clean/flush tank
FILL - V52
with water filtered by the cartridge filter before back
washing the media filter. Normally closed.
25
CLEAN/FLUSH TANK DRAIN
This valve is used to drain the clean/flush tank.
VALVE - V4
26
NBC FILTER DRAIN - V95
This manual valve is used to drain the NBC filter when
securing the ROWPU during an NBC mission or prior to
removing the media from the filter Normally closed.
27
NBC FILTER VENT - V94
This manual valve is opened to vent the NBC filter during
initial start-up of the filter.
28
NBC MEDIA BLOWOUT
This valve is opened to flush out spent NBC media.
VALVE - V97
Normally closed.
29
H.P. HEAD DRAIN - V44
This high pressure pump drain valve is opened when
securing the ROWPU. Normally closed.
30
PRODUCT DRAIN VALVES - V48
These four valves are normally dosed.
31
WASTE DRAIN VALVES - V49
These three valves are normally closed.
32
(DELETED)
33
(DELETED)
34
(DELETED)
35
(DELETED)
36
HIGH PRESSURE PUMP
Open this valve when draining ROWPU for secured
SUCTION VENT
shutdown.
37
HIGH PRESSURE PUMP
Open this valve when draining ROWPU for secured
DISCHARGE VENT
shutdown.
38
PRODUCT VENT
Open this valve when draining product water piping.
39
HIGH PRESSURE/PIPING DRAIN
Open when securing for long term shutdown Normally
VALVE/PULSE DAMPENER
closed.
40
AIR BLANKET LEVEL
Open during media filter drain down or when securing for
INDICATOR DRAIN VALVE
long term shutdown. Normally closed.
41
DUAL STRAINER SELECTION
Used to select which of the dual strainers will be placed into
VALVES
use. (MODEL ROWPU-1 ONLY)
42
PRESSURE GAGE DRAIN
Opened to drain water from gages to prevent gages from
VALVES
freezing for secured shutdown. (MODEL ROWPU-1 ONLY)
Change 12 2-13