TM 10-4320-303-131.15 LOCATIONANDDESCRIPTIONOFMAJORCOMPONENTS-CONTINUED.Figure 1-2. Location of Major Components for TWDS Lead Pumping Station.Table 1-2. Description of Major Components for TWDS Lead Pumping Station.ItemNo.Item NameDescription and Purpose1LEAD PUMPING STATION600 GPM pumping assembly. Pumps water from source anddelivers it down line. One of three pumping assemblies may besupplied with the TWDS. Refer to applicable technical manual fordetailed information concerning the pumping assemblies.26 INCH BUTTERFLY VALVEUsed to control water flow into lead pumping assembly and fromlead pumping assembly to hoseline.3HOSE ASSEMBLY6 inch x 10 foot, rigid walled, wire reinforced hose assembly.Connects Y-Connection reducer to lead pumping station. Equippedwith quick-disconnect fittings for rapid installation.4Y-CONNECTION REDUCERProvides connection capability between the TWDS and watersource.5HOSE ASSEMBLY6 inch x 20 foot, collapsible hose assembly. Directs water frompumping assembly to hoseline.6PRESSURE RELIEF VALVE,(200 PSI)Activates at water pressures over 200 psi to relieve excessive waterpressure in hoseline assemblies.7CHECK VALVERetards water from flowing into pumping assembly throughdischarge elbow.1-4
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