ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0003 00
DESCRIPTION AND THEORY OF OPERATION
THEORY OF OPERATION
Air System Section 4
Air System Section 4 contains the following components (see Figure 20):
Solenoid Valve XV-902
Check Valve V-908
Solenoid Valve XV-902 is activated by the PLC to control the flow of 15 psig air to the MF filtrate outlet for
draining the MF fibers before backwash. One-way Check Valve V-908 prevents 100 psig backwash air
from flowing through Solenoid Valve XV-902 and the 15 psig air system.
TO MF FILTRATE OUTLET
FROM SECTION 3
CHECK VALVE V-908
SOLENOID VALVE XV-902
FROM SECTION 3
Figure 20. Air System Section 4.
0003 00-24
