ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0002 00
DESCRIPTION AND THEORY OF OPERATION
EQUIPMENT DESCRIPTION AND DATA
Diesel Engine Driven Raw Water Pump P-1. In normal deployment, Raw Water Pump P-1
draws water through the intake strainer and discharges it to the suction side of an Electric Motor-
Driven Raw Water Pump P-2. The Diesel Engine-Driven Pump P-1 is not normally used if the
Electric Motor-Driven Pump P-2 has the capacity required to draw water from the source. When
the P-1 pump is needed, it is deployed first, between the floating inlet strainer and the P-2 pump.
With proper adapters, the Diesel Engine-Driven Pump P-1 may be used in the product water
distribution system in place of the distribution pump.
Electric Motor-Driven Raw Water Pump P-2. The length of the P-2 pump power cable limits
the deployment of the P-2 pump to within 100 ft. of the TWPS. The Electric Motor-Driven Pump
P-2 can be used alone as long as it is within 100 ft. of the skid and not more than 25 ft. in
elevation below the TWPS skid. Otherwise, the Electric Motor-Driven P-2 Pump is used together
with the Diesel Engine-Driven P-1 Pump. When both the P-1 and P2 pumps are deployed, the P-
1 pump is installed closest to the raw water source and between the raw water source and the P-
2 pump. With proper adapters, the Electric Motor-Driven Pump P-2 can be used in the product
water distribution system in place of the distribution pump.
Adaptor A-01. Connects the 3-in. suction hose to the 2-in. inlet of the first raw water pump. Raw
Water Suction Check Valve V-101 is a part of Adaptor A-01. The check valve helps hold the
prime of the first raw water pump when the pump is stopped.
Adaptor A-02. Connects the 2-in. outlet of the first pump to a 2-in. discharge hose through the
tee section of the adaptor. Priming/Vent Valve V-102 and a priming discharge hose are located
at the top of the adaptor.
Priming Pitcher. Used to prime the first raw water pump. The water is poured through
Priming/Vent Valve V-102.
Adaptor A-04. Connects the 2-in. discharge of the second raw water pump (if used) to a 2-in.
discharge hose. The adaptor provides a 90-degree discharge.
Cyclone Separator CS-1. Used at beach locations when the ocean intake structure system is
not deployed (refer to Ocean Intake Structure System Kit). Sand and heavy dirt may be picked
up through the floating inlet strainer with the raw water at beach locations due to wave action.
The cyclone separator uses centrifugal water flow action to remove the sand and heavy dirt from
the raw water and discharges the sand with some water through a waste flow drain. Both raw
water pumps P-1 and P-2 are deployed when using the cyclone separator. The cyclone
separator is installed at the outlet of the second raw water pump P-2.
Adaptor A-03. Connected to the cyclone separator drain. Cyclone Blowdown Flow Valve V-104
on Adaptor A-03 is used to control the flow of the wastewater that carries the sand out of the
cyclone.
One 2-in., 6-ft. long green-banded discharge hose. Delivers raw water from the second raw
water pump P-2 outlet to the inlet of the cyclone separator.
Four 2-in., 50-ft. long green-banded discharge hose sections. As many of the four hoses are
used as needed to deliver raw water from raw water pump P-1 to raw water pump P-2 and from
the discharge of the last raw water pump (or the cyclone separator if used) to Adaptor A-05.
Adaptor A-05. Connects the end of the last 2-in., 50-ft. long green-banded discharge hose to a
2-in. x 10-ft suction hose. It includes Raw Water Flow Valve V-107.
One 2-in., 10-ft. green-banded section of rigid suction hose. Discharges raw water from
Adaptor A-05 into the top of the MF feed tank (see Figure 8 for MF feed tank).
0002 00-7
