TM 10-4610-310-14
OPERATOR UNIT, DIRECT AND GENERAL SUPPORT MAINTENANCE
LIGHTWEIGHT WATER PURIFIER
EQUIPMENT DESCRIPTION AND DATA
GENERAL
This work package contains the equipment characteristics, capabilities, and features of the Lightweight Water
Purifier (LWP) and its associated components.
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES
NOTE
The LWP is designed for operation between 25 F and 120 F. At freezing temperatures, a cold weather kit is
necessary (See WP 0015 00). At temperature higher than 120 F, the LWP may not function properly due to
possible decrease in power output from the 3kW TQG.
Lightweight Water Purifier
Complete LWP unit weighs less than 1833 pounds without cold weather kit, 1995 pounds with cold
weather kit
Uses Reverse Osmosis (RO) and Ultrafiltration (UF) technology.
Five modules: UF, high-pressure pump, control module, RO, and chemical modules. See Figure 1.
UF MODULE
HIGH-PRESSURE
PUMP MODULE
SETTLING TANK
CONTROL
MODULE
CHEMICAL MODULE
PRODUCT TANK
RO ELEMENT MODULE
Figure 1. Lightweight Water Purifier Field Setup.
Automated, backwash cycles every 15 minutes, 30 seconds each UF cartridge
Treats raw water to 60,000 milligrams per Liter (mg/L or ppm)
Produces 125 Gallons per Hour (GPH) from freshwater and 75 GPH from saltwater 20,000 mg/L
Uses titanium pressure vessels on RO element module
Uses electronic chemical injection pumps for coagulant, sodium bisulfite, antiscalant, and hypochlorite
Overall power requirements are 240 volts/60 Hertz and 120 volts/60 Hertz
Collapsible Fabric Tank
1000 gallon capacity
Two tanks, settling and product, zippered tops