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Datasheet summary

Clack 2985 WS1EI

Engineering summary from PDF text extraction for Clack 2985 WS1EI. Verify every value with the OEM datasheet.

Summary

Product identification

  • Product Line: Clack Control Valves
  • Model: WS1EI Twin Alternating Control Valve

Operating limits

  • Operating Pressures: 1.4 - 8.6 bar (20 psi – 125 psi)
  • Operating Temperatures: 4º - 43ºC (40º – 110º F)

Feed water

  • Compatible regenerants/chemicals: Sodium chloride, potassium chloride, potassium permanganate, sodium bisulfite, chlorine and chloramines

Product water

  • Post fill and regeneration cycles: Treated/Soft water

Electrical

  • AC Adapter:
    • Supply Voltage: 230V AC
    • Supply Frequency: 50 Hz
    • Output Voltage: 12V AC
    • Output Current: 500 mA

Mechanical / hydraulic

  • Inlet/Outlet Fittings: ¾" to 1.5” NPS
  • Valve Material: Noryl (1) or equivalent
  • Regeneration: Downflow
  • Cycles: Up to 6
  • Flow Rates:
    • Service @15 psi/1 bar drop (includes bypass and meter): 106 lpm (6.36 m³/h) (28 gpm)
    • Backwash @ 25 psi/1.7 bar drop (includes bypass): 57 lpm (3.40 m³/h) (15 gpm)
    • Cv Service: 7.28
    • Cv Backwash: 2.96
  • Meter Specifications:
    • Accuracy: ± 5%
    • Flow Rate Range: 0.95 - 102 lpm
    • Gallon Range: 0.02 - 5,700 m³
    • Totalizer: 0.001 - 9,999,000 m³
  • Dimensions & Weight:
    • Distributor Pilot: 1.050" OD Pipe (¾" NPS)
    • Drain Line: ¾” or 1” Male NPT
    • Brine Line: 3/8” or ½” OD Poly Tube Compression
    • Mounting Base: 2 ½” - 8 NPSM
    • Height From Top Of Tank: 187 mm (7 3/8”)
    • Weight: 7.25 kg (16 lbs.)
  • Tank Applications:
    • Water Softener: 6” – 21” diameter
    • Water Filter: 6” – 16” diameter

Features

  • Solid state microprocessor with easy access front panel settings
  • Front panel display for time of day, days until next regeneration, volume remaining, current flow rate and total volume used (Totalizer), and Tank in Service Indication
  • Four methods to initiate regeneration: meter immediate, meter delayed, time clock delayed or pressure differential
  • Optional double backwash feature
  • Fully adjustable cycle times with 6-cycle control
  • Coin Cell Lithium battery back-up with 8 hour carry over
  • Backwash and brining ability to 21” diameter tanks
  • Downflow or upflow brining regeneration
  • 12-volt output AC Adapter
  • Patented one piece expanding seal spacer stack assembly U.S. Patent 6,402,944
  • Patented linearly reciprocating piston operation U.S. Patent 6,444,127
  • Reliable and proven DC drives

Cycles of Operation (Softener / Filter downflow)

  • Softener:
      1. Backwash 1st: 1-95 minutes or off
      1. Regenerate Draw/Slow Rinse: 1-180 minutes or off
      1. Backwash 2nd: 1-95 minutes or off
      1. Fast Rinse: 1-95 minutes or off
      1. Regenerant Refill: 0.1-99.0 minutes or off
      1. Service (downflow)
  • Filter:
    • Backwash: 1-95 minutes or off
    • Rinse: 1-95 minutes or off

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.