CI Valves

The Clack CI Control Valve is a robust and reliable valve created with the water treatment professional in mind. Supplied as 1″, 1.25″, 1.5″ and 2″ sized valves, the CI can be used for single vessel systems, duplex systems including MAV (motorised access valve) and NHBP (No Hardness Bypass Valve) configurations.

The CI Control Valve boasts a whole host of features, including:

A range of sizes suitable for all applications from domestic cabinet softeners, up to industrial systems.

Solid State Microprocessor with Easy Access Front Panel Settings

Front Panel Display for Time of Day, Days Until Regeneration, Volume Remaining and Current Flow Rate

Four Modes of Operation; Meter Immediate, Meter Delayed, Time Clocke Delayed and Pressure Differential

Programmable in PPM, French Degrees, German Degrees or Cubic Meters

Fully Programmable Regeneration Cycle Sequence (up to a maximum of 9).

Programmable Regeneration Cycle Times

Treated Water Regenerant Refill

Low Salt Alarm

If you wish to know more about this product please feel free to reach out using the contact form below:

Inlet/Outlet Fittings1″1.25″1.5″2″
Valve MaterialsNorylNorylBrassBrass
Service Flow Rate
(@ 15 psi/1 bar drop) lpm
Backwash Flow Rate
(@ 25 psi/ 1.7 bar drop)
CyclesUp to 9
RegenerationDownflow / UpflowDownflowDownflowDownflow
Operating Pressure (bars)1.4 – 8.6
Operating Temperature4 – 43oC
Cycles of Operation
1. Backwash1 – 120 min.
2. Rinse1 – 120 min.
3. Brine1 – 180 min.
4. Regenerant Refill0.05 – 95kg
5. Service1 – 480 min.
Compatible with
Sodium Chloride, Potassium Chloride, Potassium Permanganate, Sodium Bisulfite, Chlorine and Cloramines


  • CI Control Valves Produced by Clack Corporation
  • Reliable, robust and versatile for a range of water treatment solutions
  • Available in 1″, 1.25″, 1.5″ and 2″ to suit a range of flow rates
  • Fully programmable with a range of operation modes available

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