Nancrede Engineering, EST. 1932

Industrial Water & Ultrapure Systems, Service, Leasing

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Industrial Water
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Industrial Separate-Bed Fiberglass (FRP) Deionization Systems (5-250 GPM)

NECO’s separate-bed fiberglass (FRP) high purity ion exchange demineralizers are designed for industrial and ultrapure water applications. NECO’s system designs are available for product flow rates of 5-250 GPM. The separate-bed FRP deionization (DI) system offers a corrosion resistant alternative for the economical production of high purity water in industrial applications where DI exchange tank service or reverse osmosis (RO) systems are not ideal.

All deionization (DI) systems are skid mounted, pre-piped, pre-wired, and pre-tested for minimal installation time and cost. Duplex alternating systems are available when continuous DI water demand is required.

Standard Features

  • Aquamatic diaphragm style control valves (air-actuated)
  • Composite FRP resin tank with tri-pod base
  • Volume, time, or conductivity initiated regeneration cycle
  • Tank isolation valves & system bypass valve
  • High capacity, cation and anion exchange resins
  • Factory Hydro-Tested at 100 psig
  • Pre-sized chemical eductors
  • Inlet/outlet tank and dilute chemical sampling valves

Materials of Construction

  • Exterior Piping: Sch 80 PVC
  • Resin Tanks: FRP
  • Control Valves: Noryl Thermoplastic
  • Chemical Eductors: PVC
  • Internal Distributors: Sch 80 PVC / ABS
  • Skid: Painted, Carbon Steel


  • Allen-Bradley PanelView operator terminal
  • Allen-Bradley MicroLogix PLC system
  • Signet product water flowmeter
  • NEMA-4X electrical enclosure
  • Visual-type rotameter for chemical dilution water
  • Inlet/Outlet tank pressure gauges
  • Signet product water conductivity meter

Standard Operating Parameters

  • Electrical: 120VAC, 1-Ph, 60 Hz.
  • Inlet Pressure: 30-100 psig
  • Temperature: 35-110°F
  • Pneumatic: 80-100 psig (Dry, Oil-Free Air)
  • Cation Resin Regenerant: HCL (30%)
  • Anion Resin Regenerant: NaOH (50%)

Available Options

  • Duplex alternating systems (2-skids required)
  • ASME rated resin tanks
  • Regenerant chemical tank and pump systems
  • Recirculation pump systems (for low-flow periods)
  • Alternate PLC systems
  • Automatic butterfly or ball control valves
  • CPVC exterior piping
  • Wastewater neutralization systems
  • Alternate ion exchange resins
  • Regeneration with sulfuric acid (H2SO4)