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Datasheet summary

Clack 2987 WS1CI

Engineering summary from PDF text extraction for Clack 2987 WS1CI. Verify every value with the OEM datasheet.

Summary

Product identification

  • Product Line: Clack Control Valves
  • Model: WS1CI TWIN ALTERNATING CONTROL VALVE
  • Certifications: NSF/ANSI 44, 61 and 372

Operating limits

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

Feed water

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

Flow rates

  • Service: 106 lpm (6.36 m³/h) (28 gpm) at 15 psi/1 bar drop (includes bypass and meter)
  • Backwash: 57 lpm (3.40 m³/h) (15 gpm) at 25 psi/1.7 bar drop (includes bypass)
  • Cv Service: 7.28
  • Cv Backwash: 2.96

Meter

  • Accuracy: ± 5%
  • Flow Rate Range: 0.95 - 102 lpm
  • Volume Range: 0.02 - 5,700 m³
  • Totalizer: 1 m³ - 99,999 m³

Mechanical / hydraulic

  • Inlet/Outlet Fittings: ¾" to 1.5” NPS
  • Valve Material: Noryl (1) or equivalent
  • Regeneration type: Downflow/upflow
  • Distributor Pilot: 1.050" OD Pipe (¾" NPS)
  • Drain Line: ¾" or 1" NPT
  • Brine Line: 3/8" or ½" OD Poly Tube Compression
  • Mounting Base: 2 ½"- 8 NPSM
  • Height From Top Of Tank: 7 3/8" (187 mm)
  • Weight: 16 lbs (7.25 kg)
  • Tank Applications:
    • Water Softener: 6" - 21" Diameter tanks
    • Water Filter: 6" - 21" Diameter tanks

Control Features

  • Solid state microprocessor with easy access front panel settings
  • Regeneration initiation: Meter immediate, meter delayed, time clock delayed or pressure differential
  • Units: Programmable in ppm, French degrees, German degrees, or cubic meters
  • Cycles of operation: Up to 9 programmable cycles
  • Cycle times: Programmable regeneration cycle times
  • Days override: 1 – 28 days available
  • Battery back-up: Coin Cell Lithium battery with 24-hour carry over
  • Clock: 24-hour clock
  • Alarm: Low salt alarm
  • Regenerant refill: Pre or Post soft/treated water regenerant refill
  • Special functions: Soft/treated water regeneration
  • Patents: U.S. Patent 6,402,944 (one piece expanding seal spacer stack assembly), U.S. Patent 6,444,127 (linearly reciprocating piston operation)

Cycle duration ranges

  • Backwash: 1 - 120 minutes
  • Rinse: 1 - 120 minutes
  • Pause (service): 1 - 480 minutes
  • Brine (co-current): 1 - 180 minutes
  • Brine (counter-current): 1 - 180 minutes
  • Refill (softener): 0.05 - 95.00 Kg
  • Refill (filter): 0.05 - 95.00 Liters

Electrical

  • AC Adapter:
    • Supply Voltage: 120V AC (U.S.) / 230V AC (International)
    • Supply Frequency: 60 Hz (U.S.) / 50 Hz (International)
    • Output Voltage: 12V AC
    • Output Current: 500 mA

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.