Supply Department Indian Head Division, Naval Surface Warfare Center, 101 Strauss Ave, Indian Head, MD 20640-5035

43 -- DEALKALYZER SYSTEM SOL N00174-98-Q-0145 DUE 031398 POC Stanley N. Rye, Jr., Code 1141Q, 301-743-6273 E-MAIL: Click here to contact the contracting officer via e-mail., StanRyeJr@mail.ih.navy.mil. Item Name -- Dealkalyzer System Quantity -- Two Vessels Construction -- Tank Diameter -- 42" -- Design Flow -- 50 GPM @ 7.7 GPM/FT2 Normal -- Straight Side -- 6 FT (72 IN) -- Design -- 100 PSIG ASME Code -- Temperature -- Ambient -- Construction -- Structural Steel Support Legs and Lifting Lugs -- Manhole -- 14 IN x 18 IN -- Handhole -- One 3 IN Media Removal Connection Unit Internals -- Interior Lining -- Unlined -- Underdrain -- Schedule 80 PVC -- Inlet Distributor -- Schedule 80 PVC -- Rgenerant Distributor -- Schedule 80 PVC -- Media -- 36 CU FT EA Strong Base Anion Resin -- Capacity -- 273 KGR -- Effluent Quality -- 5% -- 10% of Influent Alkalinity Instrumentation -- Flowmeters -- One Influent Flow Indicator with Totalizer for each vessel Unit Externals -- Automatic Control Valves -- Hydraulically Operated Diaphragm Valves -- Cast Iron Body -- Buna N Diaphragm and Seals -- Valves are "Y" Pattern Normally Open with Adjustable Open Stops on the Backwash Outlet and Rinse Outlet Valves -- 2 IN Service Inlet & Outlet -- 3/4 IN Backwash Inlet -- 3/4 IN Backwash Outlet -- 1-1/2 IN Rinse Outlet -- 1-1/2 IN Brine Inlet -- Gauges -- 2-1/2 IN Dial Service Inlet & Outlet Pressure Gauges -- Piping -- Schedule 40 Carbon Steel with 125 LB Cast Iron Fittings -- Coatings -- Red Oxide Primer, 1-2 MILS DFT on Vessel Exterior -- Regeneration System -- One Brine Tank, Unit Piping, Pressure Gauge, Level Control Valve, Rate Set Valves and eductor(to be installed by others) Skid Mounted Assembly -- The two dealkalyzers with face piping and valve nests will be mounted on a single skid with one PLC based controller, properly wired and tubed with polyethylene tubing. Semi-Automatic Operation -- A PLC and Aquamatic stagers are suppklied to sequence the regeneration steps. A light for "regeneration required and a push button to start regeneration are provided with with units automatically returning to service after regeneration is complete. A contact for customer's horn is also provided. An electrical interlock to prevent more than one unit regenerating at a time is included. Includes -- Engineering Drawings and Instruction Manuals -- One Day of Start-up Supervision and Operator Training by a Qualified Service Engineer. (0049)

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